Supply, installation and commissioning of roof-mounted solar pv and battery energy storage at phandulwazi agricultural high school, eastern cape

Issue date: 06 October 2026

Compulsory clarification meeting: 15 October 2026 at 10:30 SAST via Microsoft Teams

Meeting link: https://teams.microsoft.com/meet/366444787482789?p=xIpTGdF2626SdRBcoS

Meeting ID: 366 444 787 482 789

Passcode: Cr6CY3zf

Non-attendance = disqualification

Clarification query deadline: 2 working days before tender closing (by 30 October 2026)

Closing date and time: 03 November 2026 at 10:00 SAST

Tender validity period: 120 days from closing date and time

Eskom Representative (technical/enquiries):

• Name: Zingisa Ngamlana
• Role: Eskom Representative
• Telephone: 043 703 2316
• Email: [email protected]

Procurement contact:

• Name: Lerato Noko
• Role: Procurement Manager (Acting)
• Email: (not specified; use Eskom Representative)

Fraud/corruption reporting: 0800 11 2722 / [email protected]

Submission address: Eskom E-tendering portal (https://www.eskom.co.za/tenders/)

Service delivery site: Phandulwazi Agricultural High School, Eastern Cape

Submission method: electronic only via Eskom E-tendering portal (https://www.eskom.co.za/tenders/)

Closing date and time: 03 November 2026 at 10:00 SAST

Document format: PDF (max 500 MB per file, total submission ≤ 4 GB); price list also in Excel

Folder structure: upload under Technical, Commercial, Financial, and Other

No zip/condensed files; no hard copies accepted

Late submissions rejected; resubmission replaces prior version

Mandatory returnables at closing (disqualifiable if missing):

• Annexure A: Authorisation Form
• Annexure B: Acknowledgement Form
• Annexure C: Tenderer's Particulars
• Annexure D: Integrity Pact Declaration (Supplier Integrity Pact)
• Annexure E: CPA for Local Goods/Services
• Annexure G1–G4: SBD 6.2 Local Content Declaration and supporting schedules
• Annexure H: SBD 1 Invitation to Bid
• Annexure I: SBD 6.1 Preference Points Claim (PPPFA 2022)
• Annexure J: SBD 4 Bidder's Disclosure
• E-tendering Help Manual acknowledgement form
• Completed NEC3 pricing schedule and Contract Data Part 2
• Proof of qualified personnel (PV installer accreditation, electrician wire licence, Dept of Labour registration, signed organisational structure)
• Complete PV/BESS design documentation for 2 completed projects in last 3 years (SLD, array layout, string config, mounting specs, BOM, datasheets, container layout, feasibility report)
• PV module compliance evidence (600–640 Wp, mono/bifacial, monocrystalline, SANS 61215:2015)
• Inverter compliance evidence (NRS01, 3-phase hybrid 40 kW, datasheet, type-test certificates, WiFi/LAN + Modbus telemetry)
• Battery compliance evidence (SANS/IEC 62619:2022, IEC 63056 preferred, ≥80% DoD, ≥5 000 cycles, modular & scalable)

Returnables at closing (non-disqualifiable, 5 working days to remedy):

• Specific Goals evidence (SBD 6.1) – scores zero if omitted
• Tax clearance (SARS PIN or certificate)
• Employment Equity compliance proof (SA tenderers)
• Tax Evaluation Questionnaire (if applicable)

Returnables required prior to contract award:

• CSD registration proof (CSD number/report)
• SHEQ documentation: OHS acknowledgement (Annexure B), Health & Safety Plan, detailed OHS costing, Baseline OHS Risk Assessment with methodology, valid COIDA Letter of Good Standing, CEO-signed OHS policy (OHS Act s7), OHS competency CVs/certificates
• Environmental: policy, waste management plan, emergency preparedness plan, incident register, environmental training records
• Quality: ISO 9001 Category 3 evidence (method statement, policy, objectives, document control, nonconformity/corrective action, internal audit, roles/responsibility matrix, external provider control, draft Contract Quality Plan per ISO 10005, draft ITP/QCP)
• Local content: SBD 6.2, Annexure C summary, Annexure D/E supporting schedules, DTIC exemption letter if thresholds not met, delegation of authority if signatory not executive
• Financial statements: 2 years recent, audited/independent review, including auditor's report, directors' report, full financial statements, ITA34C if not audited, Public Interest Score (within 18 months of year-end)

JV/consortium additional: letter of intent or signed JV agreement with profit-sharing, confirmation of single business entity, designated JV bank account

Disqualification risks: missing any disqualifiable returnable, late submission, unsigned forms, conflict of interest, multiple bids, 100% subcontracting, restricted entities, non-attendance at compulsory briefing

Evaluation stages:

1. Basic compliance: electronic submission, eligibility, mandatory returnables
2. Mandatory technical requirements (pass/fail): qualified personnel, design documentation for 2 projects, PV module/inverter/battery compliance – failure eliminates tender
3. Functionality/technical evaluation: weighted scorecard (Technical Schedule A); minimum 80% overall weighted score to qualify
4. Price evaluation: 80 points (inclusive of VAT, corrected for arithmetic errors, excluding contingencies, NPV comparison with programme, price adjustment factors, forex)
5. Specific goals (B-BBEE): 20 points per PPPFA 2022 regulations (80/20 system); failure to submit evidence scores zero but does not disqualify
6. Ranking: 80/20 preference point system applied; lowest acceptable tender determines applicable system

No objective criteria; no reverse e-auction; alternative tenders not allowed

Unconditional discounts considered; conditional discounts applied at payment only

Scope: Supply, installation, testing, commissioning, and handover of roof-mounted PV and BESS at Phandulwazi Agricultural High School, Eastern Cape

Contract form: NEC3 Engineering Construction Contract (ECC3)

Mandatory technical requirements (pass/fail):

Personnel:

• PV installer accreditation (e.g., PV GreenCard or equivalent)
• Registered electrician's wire licence + Dept of Labour registration
• Signed organisational structure with delegated authority

Design documentation (for 2 completed projects in last 3 years):

• Single Line Diagram (SLD)
• PV array layout
• String configuration table
• Mounting structure specifications (roof and ground mounted)
• Bill of Material (BOM)
• Datasheets for all components
• Equipment container layout (if applicable)
• PV system feasibility study software report

PV modules:

• Power rating: 600–640 Wp
• Mono/bifacial, monocrystalline
• Compliance with SANS 61215:2015 or equivalent (evidence required)

Inverters:

• Three-phase hybrid 40 kW per user specification
• Compliance with NRS01
• Datasheet and third-party type-test certificates
• Embedded/external communication device supporting local WiFi/LAN monitoring and Modbus remote telemetry (e.g., third-party system)

Battery (BESS):

• Compliance with SANS/IEC 62619:2022; preferably IEC 63056:2020
• Minimum 80% depth of discharge (DoD)
• Minimum 5 000 cycles
• Modular and scalable design

Local content thresholds (designated sectors):

• Solar PV mounting structures: 90%
• Inverters: 40%
• Fabricated structural steel: 100%
• Electrical and telecom cables: 90%
• Industrial lithium battery: 50%
• Lead acid battery: 50%

Cataloguing: successful tenderer may need to provide cataloguing info per item; pricing schedule must include cataloguing line item

Pricing: completed NEC3 pricing schedule and Contract Data Part 2 (PDF + Excel)

Price evaluation: inclusive of VAT, corrected for arithmetic errors, excluding contingencies, NPV comparison with tendered programme, price adjustment factors, forex

Payment terms:

• Contracts ≤ R50 million (incl. VAT): 30 days from receipt of undisputed invoice
• Contracts > R50 million (incl. VAT): 60 days from receipt of undisputed invoice

Performance security: performance bond or demand guarantee required; tenderer must nominate minimum two Eskom-approved financial institutions

Financial viability: recent 2 years' financial statements (audited/independent review) including auditor's report, directors' report, full financial statements, ITA34C if not audited, Public Interest Score; statements not older than 18 months after year-end

Local content: thresholds as per designated sectors (see technical specifications); mandatory SBD 6.2 and annexures at contract award; DTIC exemption letter if threshold not met

No bid security amount specified; performance security form required post-award

Eligibility:

• No nationality from sanctioned countries
• Single bid per entity (including JV partners)
• JV/consortium agreement must state joint and several liability
• No conflict of interest (common controlling partner, information access/influence)
• Authorised signatory only
• Not restricted by National Treasury, Tender Defaulters list, or Eskom
• No 100% subcontracting of scope

Mandatory registrations/certifications:

• CSD registration (mandatory at contract award)
• Tax compliance: SARS e-filing PIN or valid tax clearance certificate (foreign suppliers with SA footprint)
• B-BBEE: valid certificate (SANAS accredited) or sworn affidavit per Codes of Good Practice; EME ≤R10m affidavit, QSE ≤R50m applicable certificate/affidavit, >R50m certificate required
• CIDB: 3EP PE (Engineering and Construction Works Contracts)
• Employment Equity Act compliance proof (SA designated employers)

Returnable forms (one-line each):

• SBD 1: Invitation to Bid – offer cover page, bidder details
• SBD 4: Declaration of Interest – discloses state employment/connection
• SBD 6.1: Preference Points Claim – claims B-BBEE points under PPPFA 80/20
• SBD 6.2: Local Production & Content Declaration – with Annexures C, D, E
• Annexure A: Authorisation Form
• Annexure B: Acknowledgement Form (also OHS acknowledgement)
• Annexure C: Tenderer's Particulars
• Annexure D: Integrity Pact Declaration (Supplier Integrity Pact)
• Annexure E: CPA for Local Goods/Services
• E-tendering Help Manual acknowledgement

SHEQ (mandatory at contract award, one correction opportunity):

• OHS acknowledgement (Annexure B)
• Health & Safety Plan aligned to scope risks
• Detailed OHS costing (broken down, not lump sum)
• Baseline OHS Risk Assessment with methodology
• Valid COIDA Letter of Good Standing
• CEO-signed OHS policy (OHS Act s7)
• OHS competency CVs/certificates per scope

Environmental (mandatory at contract award):

• Environmental policy (CEO signed, dated, version controlled)
• Waste management plan (streams: batteries, paper, offcuts, concrete; pollution prevention, minimisation)
• Environmental emergency preparedness & response plan (drills, timeframes)
• Environmental incident register
• Environmental competency training matrix and records

Quality (ISO 9001 Category 3, mandatory at contract award):

• Quality method statement (template ref 240-126469599)
• Quality policy & objectives (top management approved)
• Documented information control (ISO 9001:2015 cl 7.5)
• Nonconforming outputs control (cl 8.7)
• Nonconformity & corrective action (cl 10.2)
• Internal audit (cl 9.2)
• Roles/responsibility matrix including quality function (cl 5.3)
• External provider control: evaluation, selection, monitoring, re-evaluation (cl 8.4)
• Draft Contract Quality Plan per ISO 10005 (refs 240-105658000, 240-109253698)
• Draft ITP/QCP per scope (refs 240-105658000, 240-109253302)
• Form A completed and signed

SDL&I: designated sector local content thresholds as above; mandatory returnables at award

This is the Eskom Supplier Quality Management Specification (240-105658000 / QM 58, Revision 4), effective 01 July 2026, next review May 2030. It applies across all Eskom Holdings divisions and subsidiaries, governing quality requirements for suppliers and sub-suppliers of products and services. The specification defines criteria for supplier evaluation, selection, registration, assessment, performance monitoring, and auditing. It requires ISO 9001-based QMS development, implementation, maintenance, and continual improvement. The document is 30 pages and was compiled by Sipho A Sambo, supported by Bathusi Montwedi, and authorized by Gerhard Van Der Walt in Corporate Services.

Specification effective date: 01 July 2026

Next review date: May 2030

Closing date for actual tender (from tender record): 03 November 2026 at 10:00

No briefing dates, site visits, or clarification deadlines stated in this specification document.

Compiled by: Sipho A Sambo, Middle Manager (Acting), Procurement and Supply Chain Management

Supported by: Bathusi Montwedi, Senior Manager (Acting), Procurement and Supply Chain Management

Authorized by: Gerhard Van Der Walt, General Manager, Procurement and Supply Chain Management

Department: Corporate Services, Eskom Holdings SOC Ltd

No telephone, email, or physical address for tender enquiries provided in this specification.

The source document is an internal Eskom specification (240-105658000 / QM 58) governing supplier quality management requirements. It is not a tender invitation and contains no submission instructions, closing procedures, or returnable forms list for bidders. Submission details for the actual PV/BESS tender at Phandulwazi Agricultural High School must be obtained from the separate tender notice.

Quality evaluation is based on supplier categorisation (Category 1, 2, 3, or 4) selected via Form A per guideline 240-125473040.

Category 1 minimum requirements:

• Completed and signed Form A
• Valid ISO 9001 or applicable QMS certificate from accredited body
• Latest internal and external audit reports with nonconformities and corrective actions
• Documented roles, responsibilities, and authorities (org charts, job descriptions, procedures)
• Draft contract quality plan specific to scope, addressing ISO 10005
• Draft or example ITP/QCP from similar previous work
• Documented control of externally provided processes, products, and services
• Management review meeting records

Category 2 minimum requirements:

• Completed and signed Form A
• Objective evidence of developed, implemented, maintained QMS complying with ISO 9001: QMS manual, quality policy, quality objectives, control of documented information, internal audit procedure, control of nonconforming outputs, nonconformity and corrective action procedure
• Latest internal audit reports with nonconformities and corrective actions
• Draft contract quality plan per ISO 10005
• Example ITP/QCP from similar work
• Documented control of externally provided processes, products, and services
• Roles, responsibilities, and authorities documentation
• Management review meeting records

General evaluation principles:

• Eskom reserves right to assess sub-supplier facilities
• QMS changes or quality-affecting staff changes must be notified to Eskom before implementation
• Eskom may remove personnel lacking relevant competences from site operations
• Tender evaluation scorecard: document 240-168873697
• CIDB 1004 referenced for evaluating quality in tender submissions

This document is the Eskom Supplier Quality Management Specification (240-105658000 / QM 58, Revision 4), not the technical scope for the PV/BESS installation. It establishes minimum quality management requirements for all Eskom suppliers and sub-suppliers.

Scope of applicability:

• Applies across all Eskom Holdings divisions, subsidiaries, suppliers, and sub-suppliers
• Forms part of all RFIs, RFQs, RFPs, and contracts for procurement of products and services

Key quality technical requirements:

• QMS must conform to latest ISO 9001 standard
• Contract Quality Plans (CQP) required per ISO 10005, addressing: records management, material tests, PMI testing, material certification, free access for inspection, final manufacturing data book submission before shipment
• Quality Control Plans / Inspection and Test Plans (QCP/ITP) required covering: materials certification, fabrication, in-process inspections, final acceptance tests, packaging, pre-shipment/transportation, shipping, preservation, site acceptance tests, construction, erection, pre-commissioning and commissioning
• Special processes (welding, NDE, coating, heat treatment) require qualified personnel registered with statutory bodies where legally required
• Welders qualified to specified Codes of Construction; WQR, WPS, and PQR records maintained
• Personnel performing special processes require certificates of competency aligned with company training policies and regulatory/statutory requirements
• All quality-affecting personnel training needs identified, documented, and implemented; certificates must show unit standard/NQF completion and service provider accreditation number
• Equipment and materials storage, preservation, and maintenance instructions provided before receipt
• Workplace documentation available in English and workforce-appropriate languages
• Eskom may appoint resident quality inspectors at supplier/sub-supplier premises and on site; supplier provides workspace at no cost
• Eskom may appoint any AIA or inspection agency; supplier may not obstruct this
• BESS-specific reference: UL 9540 or IEEE 1790 applicable in absence of SANS equivalent
• Plant item criticality levels defined: Level 1 (safety/environment/production impact), Level 2 (availability/reliability/cost impact), Level 3 (no significant impact)

Preservation programme methodology:

• Documented programme for identification of all physical asset pre-operation preservation requirements
• Physical assets include bulk materials, consumables, equipment systems, components, and other procured materials not yet operational
• Clear communication of preservation requirements to sub-suppliers where responsibility delegated
• Compliance monitoring from engineering instruction through procurement documentation until equipment/materials incorporated in operational system
• Evaluation frequency anticipates transfers between project functions and subcontracted service providers
• Engineering ensures preservation requirements documented and communicated to procurement, logistics, construction, quality, security
• Preservation management programme addresses temporary, long-term, and in-transit requirements including protection against atmospheric conditions, sunlight, temperature, soil, dust, humidity, salt spray, corrosive atmospheres
• Detailed procedures for coatings, coverings, fasteners, lines, and other weather protection components
• Work plan development and performance evaluation for transportation, handling, and storage service providers
• Records management process compliant with Eskom information management requirements
• Oversight of preservation plan preparation and execution at all work locations

QMS requirements:

• Develop, implement, maintain, and improve formal QMS conforming to latest ISO 9001
• Documented information includes quality manual, plans, procedures, instructions, method statements, workflows
• Valid ISO 9001 certificate required from accredited certification body unless excluded per category
• Sub-suppliers with design, manufacturing, maintenance, testing, storage, delivery, installation, commissioning, or project management scope must equally certify
• Eskom may request and perform sub-supplier facility assessments
• Main supplier responsible for sub-supplier QA/QC elements and quality programme alignment
• QMS or quality-affecting staff changes must be notified to Eskom before implementation
• Sub-supplier performance management programme required: QMS verification, audits, CQP/QCP reviews, NC and defect management, inspection and test plans, risk management, documentation, awareness/communication

Quality plans:

• Contract/project quality plans and QCP/ITPs required where specified in evaluation criteria
• CQP must address QA elements for scope and duration; QCP/ITP must address QC elements
• CQP submitted before kick-off or pre-fabrication meeting, whichever is earlier
• Eskom CQP template used as guideline where supplier lacks template
• Quality kick-off meeting held at contract start and each phase if required; 14 days advance notice for coordination meetings
• Pre-inspection meetings mandatory, convened by Eskom or its AIA; records kept

QCP/ITP requirements:

• Covers all stages chronologically: contract review, materials verification, manufacturing, fabrication, assembly, final testing, commissioning, hand-over documentation, certification
• Reviewed and accepted by Eskom representative or inspection authority before work commencement
• Changes require Eskom agreement before affected work begins
• Becomes addendum to main contract once signed; reviewable at Eskom discretion
• Must include: contract number, supplier order number, work area identification, activity description, sequence of operations, specification/drawing references, acceptance criteria, intervention points, sign-off provisions, inspection records
• Sub-supplier QCP/ITPs required for each scope; main supplier accountable for all
• Eskom may select intervention points for oversight and perform surveillance or audits

No pricing schedule, bill of quantities, rates, or payment terms contained in this specification document. This is a quality management standard, not a tender pricing document.

No pricing format, bid security, bonds, guarantees, retention, payment terms, or turnover thresholds stated in this specification document. Financial requirements for the actual tender must be obtained from the tender invitation and contract documents.

QMS certification:

• Valid ISO 9001 certificate from accredited certification body required unless specifically excluded per Category 2, 3, or 4
• Sub-suppliers performing design, development, manufacturing, maintenance, testing, storage, delivery, installation, commissioning, or project management must equally hold valid QMS certification

B-bbee:

• PPPFA referenced as informative document
• B-BBEE minimum level: 1 (from currentAnalysis, though not confirmed in specification text)

CIDB:

• CIDB 1004 referenced for evaluating quality in tender submissions
• SANS 10845-1 Construction Procurement referenced

CSD registration:

• Not explicitly mentioned in this specification

Professional registrations:

• Radiographic workers must be registered as legally required
• Special process personnel registered with statutory bodies where applicable

Local content:

• Not addressed in this specification

Returnable forms:

• Form A (240-68099512): Tender and Contract Quality Requirements for Supplier Quality Management Specification 240-105658000/QM 58 and ISO 9001 — must be completed, signed, and returned with other tender returnables
• List of Tender Returnables: document 240-12248652

Other referenced standards:

• Iso 9001, iso 10005, iso 9000, iso 10006, iso 9004
• IAEA Safety Standard GS-R-3.1
• Eskom documents: 32-727 (SHEQ Policy), 32-1033 (Procurement and SCM Policy), 32-1034 (Procurement and SCM Procedure)

SHEQ Policy (32-727) referenced as informative document. No specific occupational health and safety requirements, safety plans, or HSE compliance details stated in this specification beyond general quality management system requirements.

Preservation management programme requirements:

• Scope covers from ownership transfer through temporary or long-term storage and transit to final delivery/installation
• Storage and control per manufacturer recommendations, specifications, and project requirements
• Special precautions for valves, electrical motors, mechanical/rotating equipment, piping, instrumentation, flange faces, gaskets, coatings, insulation
• Maintenance procedures include periodic shaft rotation, engine turnover, lubrication
• Preservation requirements documented in purchase orders and sub-supplier communications
• Sub-supplier expertise in preservation protocols must be clearly documented
• Requirements communicated to logistics, construction management, quality, security, and other functions
• Sub-supplier responsibility designated for all preservation elements including records, equipment, tools, services
• Project team responsibilities defined and implemented at all work locations
• Eskom has free and unrestricted access to all preservation records for inspection and audit

Quality evaluation uses supplier categorisation (Category 1-4) selected via Form A per guideline 240-125473040. Category 1 requires ISO 9001 certificate, audit reports, roles documentation, draft CQP per ISO 10005, example ITP/QCP, and management review records. Category 2 requires full QMS documented information including manual, policy, objectives, procedures for audits and nonconformities, plus draft CQP and example ITP/QCP. Evaluation tools include document 240-168873697 (Tender Evaluation Scorecard) and CIDB 1004 for quality in tender submissions. Eskom reserves right to assess sub-supplier facilities and remove incompetent personnel from site.

Eskom requires the supply, installation, testing, commissioning, and handover of roof-mounted photovoltaic (PV) and battery energy storage system (BESS) equipment at Phandulwazi Agricultural High School in the Eastern Cape. The tender is evaluated on technical compliance against Eskom standards 240-171000418 (Major Equipment Requirements for Distribution Solar PV and BESS) and 240-171000566 (User Requirement Specification for Residential Solar PV and BESS). Tenderers must complete all orange-shaded response fields in the technical schedules and provide English-language supporting documentation.

Closing date: 3 November 2026 at 10:00

Other dates (briefings, site visits, clarification deadlines): not stated in extracted content.

Enquiries: direct any questions as early as possible to the commercial representative for this tender.

Specific contact details (name, role, email, telephone): not stated in extracted content.

Submission address: not stated in extracted content.

Service delivery address: Phandulwazi Agricultural High School, Eastern Cape.

Submission method and address: not stated in the extracted document.

Returnable forms and documents required:

• Completed technical schedules with all orange-shaded "Tenderer's response" / "B-schedule" columns filled
• Proof of qualified personnel (PV installer accreditation, Electrician's Wireman's Licence, signed organisational structure)
• Design documentation for 2 previous PV/BESS projects (single line diagrams, array layouts, string tables, mounting specs, BOM, datasheets, feasibility studies)
• PV module compliance evidence (SANS 61215:2015 or equivalent)
• Inverter compliance evidence (NRS097-2-1, third-party type-test certificates, communication device proof)
• Battery compliance evidence (SANS/IEC 62619:2022, IEC 63056 Ed. 1.0 b:2020)
• Deviation schedule for all standards referenced (Sheet 3)

All submitted documents must be in English.

Evaluation structure: technical evaluation with three weighted categories.

Category weights and minimum pass-rates:

• Requirements of 240-171000418 (Major Equipment Spec): 34% weight, minimum pass-rate 27.2% (34% × 0.8)
• Inverters: 7%
• PV Panels: 7%
• Battery System: 7%
• AC and DC Protective Devices: 5%
• Remote Monitoring & Control: 5%
• Fire Detection & Suppression: 3%
• URS (240-171000566): 33% weight, minimum pass-rate 26.4% (33% × 0.8)
• Functional Requirements: 3%
• Modes of Operation: 3%
• Customer Feasibility Study: 3%
• Site Assessment: 3%
• Structural Assessment: 4%
• System Design and Engineering: 0%
• Installation and Construction Requirements: 7%
• Handover and Training: 3%
• Customer After Sales Installation Support: 7%
• Project Specific User Requirements: 33% weight, minimum pass-rate 26.4% (33% × 0.8)

Mandatory requirements: failure to meet any mandatory requirement results in disqualification from further evaluation.

Scoring method: clause-by-clause evaluation with deviation schedule for non-listed clauses. Compliance responses: "Fully Compliant", "Non-Compliant", or "Partially Compliant" with reasons.

Price/PPPFA preference point system: not stated in extracted content.

Scope: supply, installation, testing, commissioning, and handover of roof-mounted PV and BESS systems at Phandulwazi Agricultural High School.

Key equipment requirements:

• PV modules: 600-640 Wp, mono/bifacial monocrystalline, SANS 61215:2015 or equivalent, minimum 19% efficiency at STC, bypass diodes per 18-24 cells, ≤3% first-year power deviation, ≤0.8% annual degradation years 2-20
• Inverters: three-phase hybrid 40kW, NRS097-2-1 compliant, pure sine wave, grid-tied/off-grid/hybrid modes, parallel operation (minimum 5 units), 96%+ weighted efficiency, ≤3% THD at full load, 20% overload for 5 seconds, volt-var and frequency control, black start capability, generator input with auto-start, seamless switching ≤20ms, IP65 minimum, -10°C to 55°C operating range, wall-mountable and floor-standing
• Battery system: SANS/IEC 62619:2022 compliant, preferably IEC 63056 Ed. 1.0 b:2020, ≥80% DoD, ≥5000 cycles to 80% capacity, modular and scalable, LFP chemistry preferred, 48V or high-voltage support, BMS communication via CAN and Modbus, automatic cell balancing, restart after full discharge without manual intervention, 10% overload for 1 minute
• AC/DC protective devices: SANS 60947 series, SANS 60755-1, SANS 60269-1 and -6, SANS 62930 cables, SANS 62852 connectors

System requirements:

• Remote monitoring: IEEE 1547 compliant, real-time telemetry ≤1 second resolution, protocols: IEEE 2030.5 (SEP2), SunSpec Modbus, authentication and encryption for internet-facing interfaces
• SCADA gateway: Eskom Distribution approved RTU on contract, wall-mounted cabinet space 600×400×800mm, open standard protocols only
• Remote engineering access: no internet connection inherently required, Modbus RTU/Serial over TCP/IP, Eskom standardised network equipment
• Physical security: CCTV with intruder detection, high security mesh fencing, integrated access control, non-lethal energised perimeter detection (standards referenced)
• Data logger: local historian with export facility, off-site historian integration per 240-64038621
• Metering: smart metering solution, bulk and individual customer meters, Eskom accepted equipment list, load management per 240-170000943
• HVAC: per 240-82172806
• Fire detection and suppression: rational design required, SANS 10139, SANS 14520, SANS 15779

Structural and civil:

• Support structures: SANS 10160-3 design, 50m/s gust speed, 25-year design life, terrain categories A and D, LPL II lightning protection per SANS 62305
• Foundations: soil-dependent design (Types 1-4), geotechnical parameters per Table 3
• Site works: SANS 1200 C and DA, 2.4m palisade fence, 2m clearance, kerb per D-DT-5254, 100mm crushed stone cover
• Container options: 40ft (12.2m, 26460kg max) or 20ft (6.1m, 28230kg max), or prefabricated per 240-89498731 or 240-171000459

All outdoor equipment: IP65 minimum, UV and corrosion resistant. Indoor equipment: IP21 minimum.

Pricing format: not stated in extracted content.

Bid security, bonds, guarantees, retention: not stated in extracted content.

Payment terms: not stated in extracted content.

Financial capacity thresholds: not stated in extracted content.

Mandatory pre-qualification:

• CSD registration: not explicitly stated but implied for government tender
• Tax compliance: not stated in extracted content
• B-BBEE requirements: not stated in extracted content
• CIDB grading: not stated (construction category tender but no grade specified)

Professional registrations required:

• PV installer accreditation (PV GreenCard or equivalent)
• Registered Electrician's Wireman's Licence with Department of Labour registration

Technical standards compliance:

• PV modules: SANS 61215:2015 or equivalent, IEC 61215 Ed.2, IEC 61730-1/2, IEC 60364-4-41, SANS 61140, SANS 61204, IEC 60529, IEC 62852
• Inverters: SANS/IEC 62109-1, SANS/IEC 62109-2, NRS 097-2-1, Grid Connection Code for BESF Version 5.3
• Batteries: SANS/IEC 62619:2022, IEC 63056 Ed. 1.0 b:2020
• Cables: SANS 62930, SANS 62852
• Protective devices: SANS 60947 series, SANS 60755-1, SANS 60269-1/6
• Structural: SANS 10160-3, SANS 62305
• Civil: SANS 1200 C, SANS 1200 DA
• Fire: SANS 10139, SANS 14520, SANS 15779
• HVAC: 240-82172806

Local content: not stated in extracted content.

User Requirement Specification for a Rooftop PV with BESS at Phandulwazi Agricultural High School. Installation and commissioning of a rooftop PV system including: establishment of rooftop PV, solar panel installation on identified roofs (Blocks B, E, G), battery design/sizing/installation, connecting PV output to load points, and export of excess energy to Eskom grid. Objectives: reduce Eskom carbon footprint, uninterrupted supply during grid outage, renewable electricity for own consumption, export excess solar energy, support peak energy shaving/load shifting.

Project: Rooftop PV with BESS at Phandulwazi Agricultural High School, Eastern Cape (GPS 32°39'9.80"S, 26°55'25.44"E)

Objectives: Reduce carbon footprint; provide uninterrupted supply during grid loss; supply renewable electricity for own consumption; export excess to grid; enable future peak shaving.

System baseline per PGC (Point of Generator Connection) on roofs B, E, G:

• PV Modules: 144 × 640W monocrystalline (92.1 kWp DC total)
• Inverters: 2 × 40kW 3-phase hybrid (grid, PV, BESS integrated) per PGC
• Inverter continuous AC output: 58A; max 70A; passthrough 200A
• Battery: 8 × 10.24kWh LiFePO4 (81kWh usable) per PGC, high voltage, minimum 5000 cycles to 80% capacity

Modes of operation: Seamless islanding; configurable PV prioritisation (essential loads or battery first); export excess to grid with limit; CTs for export control; programmable charge/discharge schedules (6 periods/day, minute resolution); load shaving up to 100% BESS peak.

Design constraints: 3-phase PGCs/PUCs; 100% unbalanced load support; equipment at designated locations; contractor responsible for cable design/installation; environmental ratings (outdoor IP65, indoor IP21); UV/corrosion protection; no single point of failure; appropriate protection devices; OEM guidelines followed; neutral-colour enclosures; metrics are minimum usable at commissioning.

Statutory/regulatory: Compliance with all legislation and Eskom standards; local municipality equipment approval; ECSA-registered engineer sign-offs; Green Card certification for PV installation; Certificate of Compliance (CoC) for electrical works; contractor handles municipal applications; one week notice before submissions.

PV modules: Mono-c-Si; minimum 19% efficiency at STC; maximum two different module ratings; IP65 outdoor junction boxes; bypass diodes per 18–24 cells; first-year output within 3% of rated; maximum 0.8%/year degradation years 2–20 (OEM warranted).

Mounting structures: Fixed, north-facing preferred; structural analysis required; no roof leaks; minimum 100mm standoff for cooling; per manufacturer clamping zones.

Inverters: Hybrid only, single DC bus; pure sine wave; no micro-inverters; built-in control/protection; Modbus TCP/RTU over TCP with Ethernet interface; individual string monitoring.

AC LV reticulation: 2×50mm² cables from PGC to inverters (grid input); 1×50mm² from inverter essential output to PGC; cables enclosed/protected; graded circuit breakers; DC and AC disconnects; all AC terminals in PGC/DBs; cable ducts/trays/piping; 110mm HDPE ducts for comms with draw-wire.

Battery storage: LiFePO4 HV cells per Eskom standard 240-170000103; daily cycling including micro-cycles; minimum 5000 cycles to 80% capacity; online cell balancing; auto-restart after full discharge; 10% overload for 1 minute; suitable enclosures; fire protection and safety protocols; Modbus TCP/RTU for BMS.

DC wiring: UV-resistant, PV1-F qualified, single conductor double insulated; DC negative/positive close parallel; no exposed live wiring; separate wireways from AC.

Energy metering: Two meters per PGC (grid bi-directional, essential load uni-directional); Eskom-approved meters/kiosks; modem comms; class 0.5 CT 300/5A; voltage supply protected by breaker; per standard 240-56364444; data to Eskom metering system (SIM by Eskom); wiring per D-DT-1000 Set 10.

Safety: Earthing to reference point; PV source isolation; surge/earth leakage/reverse current protection; shielded comms cables; physical security/locking; redundant safety devices (interlocks, dead-grid-safety-locks); accessible emergency shutdown.

Operating: Minimal user intervention; no full-time operator; full local control/monitoring; secure remote monitoring/control; per OEM and legal requirements; detailed operating procedure provided.

Codes and standards: SANS 10142-1, NRS 097-2-1, Grid Connection Code; IEC 61215, 61730, 61701, 62716, 61853, 62548; SANS 62109, IEC 62116, SANS 61000, IEC 61727, 60364-7-712; battery standard 240-170000103; cable standards; earthing/lightning (SANS 10292, 10199, 61312, 10313, NRS 039); metering standards; performance monitoring (IEC 61724, 62446); control/instrumentation (IEC 61850, 62381, 62382, 62337, EIA/TIA); civil (SANS 10160, 10162, 121, 2001, 1921, 1200).

Site scope: Site assessment; structural engineer for roofs B/G/E; verify drawings; identify cable routing; verify main breaker; prepare inverter room (brick wall, seal cracks, burglar door, mount inverters/DBs, 18000 BTU AC, 9L AVD Lithex fire extinguisher); install modules on roof B (54), G (36), E (54 with frame); DC wiring 4mm² to combiner boxes; AC wiring 50mm²; install 150A 3-phase 4-pole auto changeover switch; pull ~100m 50mm² 4-core to bidirectional meter; testing/commissioning; provide CoC; as-built drawings.

Warranties: Base warranty minimum 12 months (fit for purpose, free from defects); workmanship warranty minimum 12 months post-handover; OEM warranties transferred and honoured; contractor repairs/replaces defective components free including shipping; contractor manages OEM warranty claims; provides O&M care regime. Performance warranty: capacity, availability, efficiency guaranteed with degradation limits.

Work phases: Tendering (compliance per Technical Evaluation Criteria); Engineering & Design (detailed design, drawings, calculations, simulations, municipal submissions); O&M plans; Execution (procurement, installation, civil, electrical, commissioning); Site Acceptance Testing (SAT plan, component/subsystem testing, employer witness, SAT report, specific BESS and PV tests); Training (generic design/system/hardware: 2 sessions ×10 attendees; network administration: 1 session ×10; O&M: 1 session ×10; with reference material and as-builts).

Scope of works: site assessment against drawings, structural engineer appointment for roof assessment (Roofs B, E, G), drawing verification, cable routing to DBs, main breaker verification, inverter room preparation (brick wall, sealing, burglar door, mounting, 18000 BTU AC, fire extinguisher), module mounting (54x640Wp Block B North, 36x640Wp Block G North, 54x640Wp Block E North), DC 4mm2 cabling to combiner box/inverters, AC 50mm2 cabling, 150A 4-pole auto changeover switch, 100m 50mm2 4-core cable to bidirectional meter, testing and commissioning, CoC to Eskom, as-built drawings.

Compliance with all applicable codes and standards including SANS 10142-1, NRS 097-2-1, Grid Connection Code for RPPs, IEC 61215/61730/61724/61853, IEC 62109, SANS 10198 series, 240-170000103 LiFePO4 standard, 240-56364444 metering standard. Warranties: minimum 12 months base warranty, 12 months workmanship warranty post-handover, performance warranty, OEM warranty transfer to Eskom, repair/replace defective components at contractor expense.

Compliance with all statutory, regulatory, municipal legislation and Eskom standards.

Equipment approved by local municipality where required.

Electrical, architectural, structural, engineering works signed off by ECSA-registered engineers or duly authorised persons.

PV installation approved by Green Card certified personnel.

Certificate of Compliance (CoC) required for all electrical works.

Contractor responsible for all municipal applications and sign-offs (electrical, structural, mechanical, civil).

Contractor must notify Eskom at least one week before submitting any statutory documents.

Compliance with listed SANS and IEC standards (detailed in technical specifications).

No explicit B-BBEE, CIDB, CSD, or tax requirements stated in this document.

Safety requirements: earthing to reference earth point, disconnection/isolation between PV and other conductors, surge protection, earth leakage protection, reverse current detection, circuit breakers, shielding of data/signal cables, physical security/locking, redundant interlocks and dead-grid-safety-locks, accessible emergency shutdown. Fire extinguisher: 9L AVD Lithex portable, fire rating 13A, PED/PE(S)R certified, Kitemark EN3 certified, MED/ME(S)R certified, NTA 8133 pass, nitrogen propellant, 15 bar operating pressure, +5°C to +60°C, 126s discharge, 1.5-2.0m range.

Equipment environmental ratings: outdoor equipment minimum IP65, indoor minimum IP21. Outdoor equipment rated for UV exposure and corrosive conditions with dedicated covers where required. DC cables UV-resistant, PV1-F qualified, double insulated. Battery rooms and equipment enclosures to be suited to environmental conditions.

Warranty terms: all OEM guarantees transferred to Eskom, minimum 12 months base warranty covering fitness for purpose and freedom from defects, 12 months workmanship warranty post-handover, warranties cover design/manufacturing/installation/latent defects excluding mishandling, contractor repairs/replaces defective items free of charge, shipping/repair costs at contractor expense, contractor manages OEM warranty claims on Eskom's behalf, O&M care regime specified to maintain warranties. Performance warranty guarantees system output.

System requirements: 144x640W monocrystalline PV modules, 2x40kW 3-phase hybrid inverters, 8x10.24kWh LiFePO4 battery storage, 92.1kWp DC peak capacity. Hybrid inverters with single DC bus required. Modes: seamless islanding/synchronisation, user-configurable PV prioritisation, export control, programmable charge/discharge schedules with 6+ time periods, load shaving up to 100% BESS discharge. Design constraints: 3-phase PGCs/PUCs, 100% unbalanced load support, IP65 outdoor/IP21 indoor, UV/corrosion resistance, no single point of failure. PV modules: c-Si, ≥19% efficiency at STC, bypass diodes, ≤3% first-year degradation, ≤0.8%/year thereafter. Batteries: ≥5000 cycles to 80% capacity, always-online cell balancing, 10% overload for 1 minute. Inverters: pure sine wave, Modbus TCP/RTU communication, string-level monitoring. Metering: Eskom-approved meters, class 0.5 CT 300/5A, bi-directional and uni-directional meters per PGC. Safety: earthing, isolation, surge/earth-leakage/reverse-current protection, shielding, physical security, emergency shutdown.

Quality Control Plan / Inspection and Test Plan (QCP/ITP) template (Document Identifier 240-109253302 Rev 3) for the supply, installation, testing, commissioning, and handover of roof-mounted PV and BESS systems at Phandulwazi Agricultural High School.

The template defines approval roles and intervention points:

• Contractor/Supplier: Hold Point (AP) – document requires approval; Witness Point (W1/W2) – 100% witness or sample witness.
• Eskom: Document Review (IN) – document requires review for information only.
• Approved Inspection Authority (AIA): Surveillance (S) and Verification (V).

It includes a table for activities with columns: No, Description/Requirement, Date, Supplier, Eskom, Category (Statutory/Non-statutory), Inspection and Test Method, Controlling Acceptance Criteria, Records (AIA/NOBO Internal/TPI).

Inspection and test method examples: Visual, Microscopy, NDT, Liquid/Dye Penetrant, Magnetic Particle, Eddy Current.

Acceptance criteria examples: Functionality requirement, Performance measures, Regulatory compliance, Chemical test.

Abbreviations: NOBO (Notification Body), TPI (Third Party Inspection).

Note: Document is uncontrolled when downloaded; user must verify against authorised version. Copyright Eskom Holdings SOC Ltd.

Quality Control Plan / Inspection and Test Plan (QCP/ITP) template (Document Identifier 240-109253302 Rev 3) for the supply, installation, testing, commissioning, and handover of roof-mounted PV and BESS systems at Phandulwazi Agricultural High School.

Approvals and intervention points:

• Contractor/Supplier: Hold Point (AP) – document requires approval; Witness Point (W1/W2) – 100% witness or sample witness.
• Eskom: Document Review (IN) – document requires review for information only; Approved Inspection Authority (AIA): Surveillance (S) and Verification (V).

Inspection and test methods (examples): Visual, Microscopy, NDT, Liquid/Dye Penetrant, Magnetic Particle, Eddy Current, etc.

Acceptance criteria categories: Functionality requirements, Performance measures, Regulatory compliance, Chemical tests, etc.

Abbreviations: NOBO (Notification Body), TPI (Third Party Inspection).

Note: When downloaded from the document management system, the document is uncontrolled; user must ensure it aligns with the authorised version. No reproduction without Eskom Holdings SOC Ltd consent.

Quality management requirements per the QCP/ITP template (240-109253302 Rev 3):

• The contractor/supplier must develop a Quality Control Plan / Inspection and Test Plan covering all activities for the supply, installation, testing, commissioning, and handover of roof-mounted PV and BESS systems.
• The plan must define intervention points: Hold Points (AP) requiring Eskom approval before proceeding; Witness Points (W1/W2) requiring Eskom or AIA witness; Document Review (IN) for information; Surveillance (S) and Verification (V) by Approved Inspection Authority.
• Inspection and test methods must be specified for each activity (e.g., Visual, Microscopy, NDT, Liquid/Dye Penetrant, Magnetic Particle, Eddy Current).
• Acceptance criteria must be defined (e.g., functionality requirements, performance measures, regulatory compliance, chemical tests).
• Records of inspections and tests must be maintained and available for review by Eskom, AIA/NOBO, and Internal/TPI.
• The document is uncontrolled when downloaded; the user must ensure it matches the authorised version in Eskom's document management system.
• Copyright: Eskom Holdings SOC Ltd, Reg No 2002/015527/30; no reproduction without consent.

Quality evaluation criteria per the QCP/ITP template:

• Inspection and test methods include: Visual, Microscopy, NDT, Liquid/Dye Penetrant, Magnetic Particle, Eddy Current, etc.
• Acceptance criteria categories: Functionality requirements, Performance measures, Regulatory compliance, Chemical tests, etc.
• Intervention points: Hold Point (approval required), Witness Point (witness required), Document Review (review for information), Surveillance, Verification.
• Records to be maintained for AIA/NOBO and Internal/TPI.

Note: This is a quality control template, not the tender's bid evaluation criteria.