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Renewable planning › Solar › Welsh Government (NSIP)

Solar planning in Welsh Government (NSIP)

Welsh Government (NSIP) has decided 23 solar farms and approved 87% of them, taking a median of 14.2 months to decide. Consented capacity: 834 MW. 14 applications still awaiting a decision.

87%
Approved
20 granted · 3 refused
14.2 mo
Median decision
UK 2.3 mo
834 MW
Consented
167 MW refused
2
Appeals
0 allowed on appeal

How Welsh Government (NSIP) compares

Against the 298 UK authorities with 5+ solar decisions, Welsh Government (NSIP) sits in the 18th percentile for approval rate (6 points below the England average) and the 1st percentile for speed.

Decisions by year

510Approved — 1 (2018)118Approved — 1 (2019)119Approved — 2 (2021)221Approved — 1 (2022)Refused — 1 (2022)222Approved — 4 (2023)423Approved — 8 (2024)824Approved — 3 (2025)Refused — 2 (2025)525
Approved Refused

Solar decisions by the year the decision was issued (Renewable Energy Planning Database). Withdrawn and still-undecided applications are excluded, so a short bar can mean a quiet year rather than a strict council.

Every recorded scheme (37)

SchemeMWStatusDecided
White House Farm
Qair UK · CAS-03107-C5X9W1
30Application Submitted2025-12-30
Convatec Green Manufacturing Hub
Convatec Limited · CAS-02977-Y9F1W7 · 7.6 mo to decide
5Application Refused2025-11-19
Pencoed Ganol Farm, Pendderi Road - Solar Panels
Windel Solar 11 Limited · CAS-04012-T8Y8D2
35Application Submitted2025-11-11
Craig y Perthi Solar Farm
JBM Solar Projects Limited · DNS/3279787 · 18.3 mo to decide
99.9Application Refused2025-10-21
Alaw M�n Solar Farm - Solar Farm & Energy Storage Facility
Enso Energy Limited · DNS/3274702 · 15.3 mo to decide
160Awaiting Construction2025-08-26
Land at Pen Onn - Solar Farm
Iolo Energy · DNS/3273713 · 17.3 mo to decide
45Awaiting Construction2025-05-29
Glyntaff Solar Farm, Bryntail Road - Solar Array
Renantis Falck Renewables Limited · CAS-03147-D7S9P8
39.9Application Submitted2025-05-09
Pencaerlan Solar Farm
Greentech Projects Holding UK Limited · DNS/3272424
25Application Submitted2025-04-30
Penllergaer Solar Farm - Solar Farm
Ecap Renewables · CAS-03127-J6W2K0
40Application Submitted2025-04-15
Parc Worlton Solar Farm
Lightrock Power · CAS-02112-T2N0G8 · 13.9 mo to decide
42Awaiting Construction2025-01-21
Pentre Bach Solar Farm
Elgin Energy EsCo Ltd · DNS/3239190
20Application Submitted2025-01-09
Tonmawr - Mynydd Fforch Dwm Wind Farm
Naturalis Energy Developments Limited · DNS/3255801 · 13.7 mo to decide
—Awaiting Construction2024-12-23
East Aberthaw - Solar farm
Low Carbon UK Solar Investment Co Limited · CAS-01391-M3G6Q9 · 13.5 mo to decide
35Awaiting Construction2024-12-20
Alleston Solar Farm
Stantec UK Limited · CAS-03072-D7X6N7
30Application Submitted2024-12-16
Craig Y Perchych, Glais - Solar farm
Windel Energy · DNS/3279676 · 14.1 mo to decide
20Awaiting Construction2024-12-16
Parc Solar Caenewydd
Infinis Solar Developments · CAS-01900-V0J7C7 · 5.7 mo to decide
42Awaiting Construction2024-12-02
Ty�n y Waun - Solar Farm (Bridgend Energy Hub)
Cenin Renewables Limited · DNS/3279521 · 15.4 mo to decide
40Awaiting Construction2024-10-11
Mynydd Maen Solar Farm (Cil-Lonydd)
Cenin Renewables Limited · DNS CAS-02446-R8X8W2
35Application Submitted2024-07-19
Plas Power Estate Solar Farm
Lightsource BP · DNS/3253253
57Application Submitted2024-06-11
Pancross & Oaklands Solar Farm
Infinis · DNS/3245503 · 12.6 mo to decide
50Awaiting Construction2024-05-23
Vianshill Farm, Parc Dyffryn - Solar Farm & Battery Storage
Cenin Renewables Limited · DNS/3267575 · 19.6 mo to decide
65Awaiting Construction2024-05-23
Cwm Ivor Penyrheol Solar Farm
Caerphilly County Borough Council · DNS/3266623 · 15.4 mo to decide
20Awaiting Construction2024-05-23
Bretton Hall Solar Farm (Wales)
YnNi Newydd (New Energy Co-op) · DNS/3251545 · 17.4 mo to decide
16Awaiting Construction2023-12-19
Brynrhyd Solar Farm
Capital Dynamics Limited · DNS/3260565 · 19.7 mo to decide
36Awaiting Construction2023-06-20
Parc Solar Traffwll
Low Carbon · DNS/3217391 · 12.9 mo to decide
35Awaiting Construction2023-03-17
Penpergwm Solar Farm (Great House Farm)
Renewable Connections Developments Limited · DNS/3252305 · 11.7 mo to decide
32Under Construction2023-01-17
Maes Mawr Solar
Elgin Energy EsCo Ltd · DNS/3282038
30Application Submitted2022-12-01
Brynwell Farm
Brynwell Farm Solar Limited · DNS/3261558 · 18.7 mo to decide
21Awaiting Construction2022-11-10
Elwy Solar Energy Farm
Statkraft UK Limited · DNS/3247619 · 15.3 mo to decide
62Application Refused2022-07-01
Wentlooge Renewable Energy Hub
Wentlooge Farmers' Solar Scheme · CAS-01772-Z5P5D2
125Appeal Lodged2022-06-20
Rush Wall Solar Park
Rush Wall Solar Park · DNS/3220457
75Appeal Lodged2022-03-18
Blackberry Lane
Wessex Solar Energy · DNS/3245065 · 9.4 mo to decide
22Revised2021-10-27
Tycroes Solar Farm
Spring Dev 2 · DNS/3227364 · 14.3 mo to decide
40Awaiting Construction2021-08-12
Llangennech Solar
Voltalia UK · DNS/3213164 · 16.1 mo to decide
29.9Awaiting Construction2021-07-23
Wentlooge Renewable Energy Hub
Wentlooge Farmers' Solar Scheme · DNS/3216558
62.5Revised2020-05-07
Wauntysswg Farm, near Tredagar
Elgin Energy · DNS/3213639 · 12.1 mo to decide
30Awaiting Construction2019-08-01
Llanwern Solar Farm & Battery Storage
NextEnergy Capital LLP · DNS/3213968 · 8.7 mo to decide
75Operational2018-11-13

Does Welsh Government (NSIP) approve solar farms?

Yes — of the 23 solar farms Welsh Government (NSIP) has decided, 87% were approved (20 granted, 3 refused). The UK-wide rate for solar is 93%.

How long does a solar farm application take in Welsh Government (NSIP)?

The median time from application to decision is 14.2 months, against a UK median of 2.3 months for solar. That is measured between the submission and decision dates recorded in REPD, so it reflects the whole determination period including any extensions.

How much solar capacity has Welsh Government (NSIP) consented?

834 MW has been consented across 20 approved schemes, with 167 MW refused. A further 14 applications awaits a decision.

Other technologies in Welsh Government (NSIP)

Battery storage in Welsh Government (NSIP)Onshore wind in Welsh Government (NSIP)

Source: Renewable Energy Planning Database (REPD), Department for Energy Security and Net Zero, Open Government Licence v3.0 — 2026 Q1 extract. Approval rate is over decided applications only (approved ÷ approved+refused); withdrawn and undecided schemes are excluded. A permission later expired still counts as approved because consent was granted. REPD covers schemes of roughly 150 kW and above, is published quarterly, and does not record refusal reasons — so nothing here explains why a scheme was refused. Screening context for site selection, not planning advice.

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