In 2023 we generated 7,341 kWh of electricity–not quite as much as last year, even though 2023 was the first full year with the additional 1000 kW of generating capacity. Not as much sun in 2023 apparently.
The house and car consumed 3,076 kWh while we sent the excess 4,264 kWh to the grid, knocking our electric bill down by $1,812.17. Rates rose again in 2023, costing $0.26 per kWh, mainly due to Central Maine Power hiking their delivery rate to $0.09/kWh. Supply cost actually dropped during the year to $0.16/kWh.
Six years in, we’ve now earned back $7,429.70 or 47% of the original investment.