1 · The Owner's Notice (Angol)
"Notification of Technical Defect – Request for Investigation" · HERGO CHILE letterhead · dated 6 Jul 2026 · signed (digital) 8 Jul 2026 by Juan Carlos Ruz Aedo, Legal Representative, Angol Solar I SpA · emailed 15 Jul 2026. Adverse Only Angol received — 4 letters outstanding
Open full screen2 · Schedule C-7 — the Owner's specification of both products
Module Datasheet (C-7 §1) — Trina Vertex 650 W
Bifacial dual-glass, 2384 × 1303 × 33 mm, 2.0 mm heat-strengthened glass both faces. Page 2 of the executed Schedule C-7 (Falcon copy; byte-identical for LS1 and Dinamo).
Tracker Datasheet (C-7 §4) — Arctech SkyLine II
Note the warranted properties: "Completely stable against wind induced torsional instabilities up to 70 m/s" and "Modules Supported: All commercially available modules". Page 8 of the executed Schedule C-7.
3 · Pre-contract engineering — Arctech for PowerTree, Dec 2023
Preliminary Foundation Design L1 · Arctech project 2023112206-CL-POWER TREE · report date 19-12-23 · header states "Client: PowerTree" · specifies SkyLine II 1V64. Four months before the Angol EPC. Supports Owner-selection
Open full screen4 · Material Acceptance — PowerTree supplied the tracker posts
Dated 1 May 2024 · From: PowerTree LTD (Hampton, England) · To: iEnergia / Visibility S.A. · "Posts for trackers manufactured by Arctech" (218 + 290 + 145 + 145 pcs). Corroboration — post-dates signature; the load-bearing proof is C-7 + the Nov–Dec 2023 engineering
Open full screen5 · Provisional Acceptance Certificates
PAC — Angol
Issued 28 Nov 2025 by Angol Solar I SpA (Flavio Di Domenico) · Provisional Acceptance 1 Dec 2025 · punch list verified in full: no panels, no trackers — welding of support plates, signage, covers, painting, cleaning, as-builts only.
Open full screenPAC — Los Sauces I key document
Provisional Acceptance 19 Jan 2026 · PAC issued 13 Apr 2026 — five weeks before iEnergia reported the cracking (22 May 2026) at the plant with the highest incidence. The Owner inspected and accepted these works with nothing about modules or trackers on the punch list.
Open full screenDocument register — originals
| Document | Original location |
|---|---|
| Executed Angol EPC (83 pp) | Dropbox (Team)\2024.1.1 Angol\1. Legal\1.1 EPC Contract\20240410 - ANG EPC B01 B11 v001.docx.pdf |
| Executed Schedule C-7 (Falcon / LS1 / Dinamo) | …\1. Legal\0. EPC Contract\1. Schedules\ES-FCN-C-07 Key components REV 0.pdf (+ LS1, DMO) |
| PowerTree C-7 template (13 Feb 2024) | Dropbox (Team)\PowerTree\00 - Contract templates and schedules\01 - Schedules\ES-PPP-C-07 …docx |
| Arctech GA drawing (Nov 2023) | …\2024.1.0 PowerTree Common Files\1. Purchasing\Arctech\Entrega 24.04.19\GA Drawings…\GA-2023112206-CL-POWER TREE-Angol Solar I-2.99MW VER2_45 m+s.dwg |
| Arctech BOM (15 Jan 2024) | …\Arctech\BOM\BOM-2023112206-CL-POWER TREE-Angol Solar I-2.99MW V1 20240115.pdf |
| "Technical Alignment Group A" thread (Nov 2023 – Jul 2024) | Zoho mailbox — fwd of 2 Jul 2024 from Alex Carthew (alex@ienergiachile.com), messageId 1752519442578115500 |
| Preliminary Report – Recurrent Module Cracking (26 May 2026) | Zoho mailbox — messageId 1779808592171144500 |
| Arctech engineering response (28 Jun 2026) | Zoho mailbox — messageId 1782660713842162300 |
| Other plants' EPCs and PACs | Respective 1. Legal folders — see per-plant matrix on the Overview |