Grid infrastructure βΊ Connection queue βΊ Solar
SOLAR Β· NGETDerwydd Bach Energy Park
Derwydd Bach Energy Park is a 85 MW solar project in planning, connecting to the National Grid (England & Wales) network at Gwyddelwern 400kV Substation, with capacity due from October 2037. The connection agreement is held by Constantine Wind Energy Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2037 (not yet reached)
- Closed (not yet reached)
Scoping and awaiting consents are both shown as planning. A connection agreement does not mean the project will be built: many queue projects never reach construction.
Connection details
- NESO project number
- PRO-005044
- Customer
- Constantine Wind Energy Limited
- Technology
- PV Array (Photo Voltaic/solar), Wind Onshore
- Total capacity
- 85 MW
- Change in this agreement
- +85 MW
- Capacity effective from
- 31 October 2037
- Connection site
- Gwyddelwern 400kV Substation
- Transmission owner
- National Grid (England & Wales)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Scoping
- Connections reform gate
- Gate 1
Connection site
The marker shows the place the connection site is named after, not the project itself, with the transmission network around it.
Other projects at Gwyddelwern 400kV Substation
Source: NESO Transmission Entry Capacity (TEC) register, downloaded 8 November 2026. Contains data from NESO, licensed under the NESO Open Data Licence. Report a problem