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Average solar PV installation cost per kilowatt in the UK January 2016 to March 2020

During the period of consideration, the average installation costs of small-scale solar PV systems in the United Kingdom have fluctuated. Up to September 2019, the installation cost per kW has consistently been the most expensive for the 0-4kW band. During 2018, prices peaked for the year in June at 1,939 British pounds per Kw installed.


In the financial year of April 2018 to March 2019, there were 32,370 installations in the 0-4kW band. This was an increase of 64 percent when compared to the same period the previous year. The highest number of installations occurred in March 2019, at 7,818. This peak was mainly due to the closure of the Feed-in Tariff scheme. Between April 2019 and March 2020, the number of installations declined by 30 percent compared to the previous year.


The Feed-in Tariff (FIT) scheme was introduced in April 2010. It was a government program designed to promote the uptake of low-carbon and renewable electricity generation technologies. Since its introduction, the capacity of the FIT scheme for solar PV was highest in the first quarter of 2012 at 404,782 kW. By January 2020, the total capacity of Solar PV installations under the FIT scheme reached roughly 5.1 gigawatts. The scheme ended in April 2019.

Average installation cost of small scale solar PV systems per kilowatt in the United Kingdom (UK) from April 2016 to March 2020, by size band

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Release date

May 2020


United Kingdom

Survey time period

January 2016 to March 2020

Supplementary notes

According to the source, Northern Ireland installations accredited through the MCS have been excluded.
Mean values were used.

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