Solar power in Connecticut

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Solar break-even cost

Solar power in Connecticut makes Connecticut the second state in the USA to reach grid parity, after Hawaii, due to the high average cost of electricity.[1]

CT Solar Lease was a program to install solar panels at no upfront cost, and a fixed lease price for 15 years, with an option to extend the lease for 5 years at a reduced cost. CT Solar Lease owns and sells the RECs generated by the system, but turns over all but $15/REC plus 100% of the sale over $30 or 50% of the sale of the REC up to $30/REC to the homeowner in a Solar Dividends account for maintenance and to allow the purchase of the system at the end of the lease. RECs have been selling for from $18 to $24 each. Applications ended on August 19, 2011.[2]


Connecticut's renewable portfolio standard requires 7% of power in the state will be from renewable resources by 2010, and 23% by 2020.[3] A bill passed in 2011 requires incentives that will produce at least 30 MW of new residential PV installed by the end of 2022.[4] Net metering is available for all up to 2 MW sites, and is reconciled annually at either the avoided cost or the time of use/generation rate, which is higher but requires time of use metering.[5]


Average solar insolation

Potential generation[edit]

The average insolation in Connecticut is about 4 sun hours per day, and ranges from less than 2 in the winter to over 5 in the summer.[6]

Connecticut electricity consumption in 2005 was 33,095 million kWh.[7]

Installed capacity[edit]

Connecticut Grid-Connected PV Capacity (MW)[8][9][10]
Year Capacity Installed % Change
2008 8.8 6.0 214%
2009 19.7 10.9 124%
2010 24.6 4.9 25%
2011 31.1 4.5 26%
2012 39.6 7.5 24%
2013 77.1 37.5 95%

See also[edit]


  1. ^ Exhibit 3
  2. ^ CT Solar Lease
  3. ^ Renewable Energy
  4. ^ Brief Summary of SB 1243
  5. ^ Financial Incentives
  6. ^ Solar Insolation Levels In North America
  7. ^ Office of Energy Efficiency and Renewable Energy (25 June 2008). "Electric Power and Renewable Energy in Connecticut". United States Department of Energy. Retrieved 13 April 2012. 
  8. ^ Sherwood, Larry (July 2010). "U.S. Solar Market Trends 2009" (PDF). Interstate Renewable Energy Council (IREC). Retrieved 28 July 2010. 
  9. ^ Sherwood, Larry (July 2012). "U.S. Solar Market Trends 2012" (PDF). Interstate Renewable Energy Council (IREC). p. 16. Retrieved 2013-10-11. 
  10. ^ Sherwood, Larry (July 2014). "U.S. Solar Market Trends 2013" (PDF). Interstate Renewable Energy Council (IREC). Retrieved 2014-07-27. 

External links[edit]