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Orange Valley Solar SA utility-scale

Medium confidence announced Last researched: 2026-06-26

Sources

• SRK Consulting - Orange Valley SEF & EGI Scoping Report (final, 2026-05-26) (2026-05-26)
• SRK Consulting - Hanover Renewable Energy Cluster public-documents page (2026)

Research notes

UNVERIFIED: no source confirming existence or capacity surfaced in research. Flagged as an open question. Do not import as fact. EXISTENCE CONFIRMED (refutes seed note that no source confirmed existence). Orange Valley Solar Energy Facility is a real, documented project: a solar PV facility within Mainstream Renewable Power's "Hanover Renewable Energy Cluster" in the Pixley ka Seme District Municipality, Northern Cape, ~12-15 km west of Hanover town. SRK Consulting (SA) is the EIA consultant; project is at pre-application EIA scoping stage (final Scoping Report dated 2026-05-26; DFFE ref 2025-06-0027 Pre-Application). Seed correctly identified SRK as EIA consultant and 'announced' status, but left developer 'Unknown' - it is Mainstream Renewable Power Developments (Pty) Ltd (confirmed). CAPACITY CONFLICT / CORRECTION: Seed said AC=100 MW. The scoping report does NOT support 100 MW. Table 2-2 states a 'maximum export capacity of 525 MW'. This 525 MW is the maximum grid export figure for the facility's development envelope (commonly an over-stated EIA envelope ceiling for the SEF + co-located BESS, not necessarily the final contracted PV nameplate). The report does NOT explicitly break this into MWac vs MWp/MWdc, and gives no separate DC figure - hence mw_ac and mw_dc left null rather than asserting 525 as a firm nameplate. Unresolved: real built capacity undetermined; seed's 100 MW appears unsupported/wrong. Do NOT record 100 MW as fact. STORAGE: A BESS is part of the project - 'up to two BESS facilities, each occupying up to 6 ha' - but NO rated power (MW) or energy (MWh) figures were stated in the extracted text, so storage MW/MWh left null. SITE: Farm Vogelfontein 7/71 (SG 21-digit code C03000000000007100007). Development envelope ~630 ha total, split 269 ha (Orange Valley North) + 361 ha (Orange Valley South). Mounting: single-axis tracker (monofacial or bifacial modules). Grid: 132 kV powerlines / on-site substation feeding a Main Transmission Substation; wider cluster evacuates via an MTS and 400 kV lines. Exact lat/long not in extracted text (likely Appendix B, not viewed) - geo pin approximate only. CLUSTER CONTEXT: Part of a large multi-facility Mainstream cluster near Hanover (reported ~6-7 SEFs + ~3 WEFs + ~10 BESS + 11 substations across ~20 farms / ~21,300 ha). 'Orange Valley' is one SEF within this cluster - note a separate, unrelated operational 'Solar Capital Orange' / Loeriesfonstein PV park exists elsewhere in Northern Cape; do not confuse the two. Confidence = medium: single primary source (SRK scoping report) confirms existence, developer, location, route and BESS presence cleanly, but capacity is ambiguous/unresolved and EPC, offtaker, dates and exact coordinates unknown. PDF too large for direct fetch; data extracted via r.jina.ai text proxy of the same SRK-hosted PDF. VERIFY: Adversarial check (2026-06-26): EXISTENCE CONFIRMED, refuting the seed note's 'no source confirmed existence'. Independently corroborated via SRK 'Hanover Renewable Energy Cluster' public-documents page and the Orange Valley SEF & EGI Scoping Report (final, 2026-05-26). Orange Valley SEF is a real pre-application EIA-stage solar PV + BESS facility within Mainstream Renewable Power Developments (Pty) Ltd's Hanover cluster, ~12-15 km west of Hanover, Pixley ka Seme District, Northern Cape; on Farm Vogelfontein 7/71 (SG C03000000000007100007); ~630 ha (269 ha North + 361 ha South); single-axis tracker (mono/bifacial). Developer CONFIRMED. CAPACITY: only '525 MW maximum export capacity' stated — an EIA envelope ceiling, not a firm nameplate; no MWac/MWdc split given. Seed's 100 MW is unsupported — do NOT record. Coordinates were a manual approximation, not from the source — drop the geo pin or flag indicative-only. EPC, offtaker, BESS MW/MWh, financial close / construction / commissioning dates all unknown. All facts trace to a single consultant (SRK); no independent second source confirms the specific 'Orange Valley' SEF. Confidence: medium. Keep project published but flagged: assert only existence + developer + location + route (REIPPPP intent) + BESS-present + single-axis tracker; leave capacity, coordinates, EPC, offtaker and dates blank. CONFLICTS: Capacity unresolved: the only figure in the source is '525 MW maximum export capacity' (Table 2-2/2.4.1), which is an EIA development-envelope ceiling for the SEF + co-located BESS, NOT a firm PV nameplate. No MWac vs MWdc/MWp breakdown exists in the source. The seed note's AC=100 MW is unsupported by the scoping report and should be treated as wrong; do not assert 100 MW. ; Coordinates (-31.07, 24.28) are a manual approximation, NOT extracted from the source. The scoping report references coordinates (Section 2.5.1) but the actual values are in an unviewed Appendix B. The pin is a guess placed ~13 km west of Hanover town and must be flagged indicative-only or dropped. ; Single-source-family risk: existence, developer, route, location, BESS presence and the 525 MW figure all trace to ONE consultant (SRK Consulting) and its hosted scoping PDF / public-documents page. No fully independent second source (news, REIPPPP award list, Mainstream corporate page) corroborates the 'Orange Valley' SEF specifically — independent search found NO operational or separately-named Orange Valley PV park. ; Offtaker is unconfirmed ('intended REIPPPP, likely Eskom') — stated as inference, not fact. ; Storage present ('up to two BESS facilities, each up to 6 ha') but NO rated MW or MWh figures in the source — storage sizing unknown. ; Status is pre-application EIA scoping only (DFFE Pre-Application ref); project is announced/early, not consented, financed or built — no financial close, construction or commissioning dates exist.

Planning intel compiled from open-source data — not a tender document. Suggest a correction or add missing info →