Battery storage · United Kingdom
Mynydd Maen Solar Farm (Cil-Lonydd)
Awaiting Construction35 MWChecked 6 October 2026Last changed in the dataset 9 December 2025
The site
- Technology
- Battery storage (Stand-alone Storage)
- Capacity
- 35 MW
- Status
- Awaiting Construction (Planning Permission Granted)
- Operator or applicant
- Cenin Renewables Limited
- Location
- Cil-Onnydd Farm, Newbridge, Caerphilly, Mid Glamorgan, NP11, United Kingdom
- Planning authority
- Welsh Government (NSIP)
- Planning application
- DNS CAS-02446-R8X8W2
Timeline
- 19 July 2024 Planning application submitted
- 12 November 2025 Planning permission granted
- 12 November 2030 Planning permission expired
Incidents on the register at this site
None found. The register holds no published incident that names Mynydd Maen Solar Farm (Cil-Lonydd). If you know of one, report it (confidential reports are anonymised).
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Incidents at battery storage sites in the United Kingdom
The register holds 14 incidents at battery storage sites in the United Kingdom, 9 of them fires, and 177 worldwide. Counts of incidents in published reporting, not rates.
- Fire in home battery storage system connected to solar panels
- Gas leak at Cockenzie battery storage site under construction
- Short circuit in lithium battery cells reported as cause of fire at Rufford Colliery BESS
- Smoke and fire incident at Battery Box, Pinhoe Road, Exeter
- Battery storage site fire in East Tilbury brought under control after 24 hours
What fails at battery storage sites · All battery storage incidents
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Contains public sector information licensed under the Open Government Licence v3.0 (Renewable Energy Planning Database, Department for Energy Security and Net Zero). The dataset. The register adds only the incidents and the counts.