A new study providing data on the cost of home solar in Massachusetts was recently released by Solar to the People — the purpose of the release being to spur greater price transparency in the state.
The new study offers data on the costs paid by homeowners for solar installations in the state for dates between 2008 and May 2015, with figures for both full installations and also for cost per kW (kilowatt) of installed installed.
Costs both before and after state + federal incentives + rebates are provided. The study sourced much of its data from the Massachusetts Clean Energy Center’s Commonwealth Solar II Rebate Program database.
Here are some of the key findings of the study (provided via a recent press release):
- The average price of installing residential solar in Massachusetts in the first part of 2015 was $20,180, after rebates and incentives.
- This price equates to $2,776 / kW (kilowatt) installed, after incentives and rebates.
- Rebates and incentives reduced the cost of home solar by 38%
- One of the main Massachusetts rebates (Commonwealth Solar II) is no longer available. This rebate reduced the price of solar by an average of 6.8% in the first part of 2015.
- The average cost per kW of solar in Massachusetts before incentives and rebates has fallen 47% since 2008.
- The average cost per kW of solar in Massachusetts after incentives and rebates has fallen 13% since 2008.
Average cost of solar per kW (kilowatt) across Massachusetts metro areas for the first part of 2015 were:
- Cape Cod – $3,191 / kW
- The Berkshires – $2,849 / kW
- Boston Area – $2,734 / kW
- Springfield / Pioneer Valley – $2,710 / kW
- Worcester County – $2,656 / kW
- Franklin County – $2,652 / kW
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