Energy Projects Near You

Pen March Wind Farm (30 MW)

Pen March Wind Farm is a 30 MW wind farm project in Merthyr Tydfil, Wales. Its status in the Renewable Energy Planning Database (July 2026 extract) is: refused on 3 March 2025; the record was last updated on 6 May 2025. It is decided by the Welsh Government as a development of national significance.

Data: REPD July 2026 extract · calculated 7 November 2026 · Methodology and sources

30 MWwind farm
refusedstatus in REPD
6 May 2025record last updated
Merthyr Tydfilcouncil area

Planning timeline

DateStage
20 October 2023Application submitted
3 March 2025Refused by the planning authority

Project details

Technology
wind farm
Capacity
30 MW
Status (REPD)
refused
Record last updated
6 May 2025
Operator or applicant
RWE Renewables UK Limited
Planning authority
Welsh Government (NSIP)
Planning application reference
DNS/3253147
Turbines
6
Turbine height
180 m
Address (REPD)
Land north of the A465 Heads of the Valleys road, north-west of the small town of Rhymney and north-east of Merthyr Tydfil
Council area (by location)
Merthyr Tydfil
Time to decision
71 weeks
REPD reference
7859

Who decides

It is decided by the Welsh Government as a development of national significance. Welsh Government (NSIP) refused 22% of 55 decided solar, wind and battery applications in REPD (median 67 weeks to a decision). Across all UK planning authorities 19% of 10,236 decided applications were refused.

Other large projects within 10 km

ProjectTypeMWStatuskm
Merthyr Commonwind farm24.3refused1.0
Convatec Green Manufacturing Hubwind farm15refused3.1
Convatec Green Manufacturing Hubsolar farm5refused3.1
Land At Cwm Bargoedsolar farm5operational3.8
Gelligaer 'B' Wind Farmwind farm9.8application withdrawn6.5
Gelligaer 'A' Wind Farmwind farm9.8application withdrawn6.5
Wauntysswg Farm, near Tredagarsolar farm30approved, not built6.7
Rassau Industrial Estate, Rassaubattery storage8approved, not built7.1
Rassau Industrial Estatebattery storage6under construction7.3

Status and dates as recorded in the Renewable Energy Planning Database (July 2026 extract); the database is compiled from public sources and can lag behind council decisions. Location: REPD grid reference (51.7788, -3.3321).