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Pumped Storage Hydro

Cruachan Upgrade Project (Unis 3 & 4)

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E/O Cruachan, Taynuilt, Strathclyde, PA35

Cruachan Upgrade Project (Unis 3 & 4) is a 40 MW pumped storage hydro project in Scotland. The applicant or operator on record is Drax Power Limited. Planning permission has been granted as of December 2023 and it is awaiting construction. The determining authority is Scottish Go…

Consented / Approved
Official register: July 2026

Recorded status: Planning Permission Granted. Source record updated 2024-01-09.

Registered planning capacity; not measured generation.

DESNZ source publication Β· Search the full register Β· Definitions and coverage

40.000 MW
Registered Capacity

πŸ“‹ Project Overview

Cruachan Upgrade Project (Unis 3 & 4) is a 40 MW pumped storage hydro project in Scotland. The applicant or operator on record is Drax Power Limited. Planning permission has been granted as of December 2023 and it is awaiting construction. The determining authority is Scottish Government (S36), reference ECU00004537.

Site Schematic

UPPER RES. LOWER RES. PENSTOCK TAILRACE GEN. GRID ⇑ PUMP ⇓ GENERATE HEAD: ?m Β· POWER: 40.000 MW Β· ? turbines

Schematic diagram β€” not to scale. Illustrative layout based on project specifications.

πŸ”§ Technical Specifications

Capacity (MW)40.000 MW

πŸ”Œ Grid Connection & Infrastructure

🏒 Development & Ownership

DeveloperDrax Power Limited
Owner / operatorDrax Power Limited
Year consented2023
LocationE/O Cruachan, Taynuilt, Strathclyde, PA35
RegionScotland
Coordinates56.3959032Β°N, 5.1175215Β°W

Additional published register fields

Registered technologyPumped Storage Hydroelectricity

πŸ“… Project Timeline

2023-01-19
2023-12-14