Vermilion Sands Solar Panel Data for 2021 weather * blog

2021 results

Output = 1,484.326kWh
Average = 4.067kWh/day

Revenue = £860.43
Average = £2.357/day

2021 saw the tenth anniversary of our panels -- installed in December 2011 -- and round about May we paid off the £7,000 installation costs (inexact because the recording device under-reads, so it was probably in March or April). Overall a good year, our third best for watts. 2020 saw a record-breaking May (best ever month), and so did 2021: our worst ever result for that month. But like 2020, April was superb, the sunniest ever (including the best ever April day), and June and July were much improved on 2020. We had four zero-watt days in January and February (snow), and no days were over 13kWh.

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2021 month by month

Installation details

Location: Leeds, UK
Panels: 9 x Kyocera KD240GH-2FB
Max output: 2.16kW (240W/panel)
Estimated annual output: 1,800.60kWh
Positioning: Flat roof facing S
Commissioning date: 2011-12-02