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Solar and the feed-in tariff in Islwyn

949 installations are accredited under the Feed-in Tariff here, holding 12,217 kW of capacity. That ranks the constituency 411 of 633 and accounts for 0.11% of every FIT installation in the country.

949installations
12,217 kWinstalled capacity
411of 633 constituencies
2012busiest year, 241 installed

When they went up

Like most of the country, Islwyn front-loaded: the busiest year was 2012, before the tariff cuts began to bite.

0 121 241 10 11 12 13 14 15 16 17 18 19
Installations commissioned in Islwyn by year. Ofgem Feed-in Tariff register, 2025-12-31.

What is installed

TechnologyInstallations
Photovoltaic938
Wind9
Anaerobic digestion1
Micro CHP1

Domestic and everything else

Installation typeInstallations
Domestic924
Non Domestic (Commercial)24
Non Domestic (Industrial)1

Postcode districts

Districts with five or more installations. Below five we publish nothing, because a count that small starts to identify individual houses.

DistrictInstallationsCapacity kW
NP11 5309,560
NP12 3672,408
CF81 28168
CF82 2070

Nearby in the ranking

Caerphillycouncil view Birmingham- Ladywood961 installationsSouth West Hertfordshire956 installationsOxford East952 installationsHertford and Stortford948 installationsNeath946 installationsSouth West Bedfordshire943 installations

On the tariff itself rather than the map: the rate finder will tell you what an installation here is paid, from its eligibility date and size.

Ofgem register as at 2025-12-31 Download all 633 constituencies (CSV)