Solar power in Connecticut

Solar power in Connecticut establishes Connecticut as the second state in the US to reach grid parity, after Hawaii, due to the high average cost of electricity.[1] Installing solar panels for a home provides an estimated 15.6% return on investment.[2]

Solar installation, Westport

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.[3]

Regulations

Connecticut's renewable portfolio standard requires 7% of power in the state will be from renewable resources by 2010, and 23% by 2020.[4] A bill passed in 2011 requires incentives that will produce at least 30 MW of new residential PV installed by the end of 2022.[5] 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.[6]

Statistics
See also: List of power stations in Connecticut § Solar
Average solar insolation

Potential generation

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.[7]

Source: NREL[8]

Installed capacity

Connecticut electricity consumption in 2005 was 33,095 million kWh.[9]

Connecticut Grid-Connected PV Capacity (MW)[10][11][12][13][14][15]
Year Capacity Installed % Change
20088.86.0214%
200919.710.9124%
201024.64.925%
201131.14.526%
201239.67.524%
201377.137.595%
2014118.841.754%
20152199171%
201632210347%
20174189630%
201855513733%
201974819335%
2020878.6130.617.4%
20211,097.4218.8 %
20221,214116.6 %

Utility-scale generation
Utility-scale solar generation in Connecticut (GWh)[16]
Year Total Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
20149000111111111
201519112222222111
201625121222333222
201743234445554322
20181072389111110866528
20191397912131315181514986
2020228121419202525262321161413
20211961514262531302728

See also

References
  1. Exhibit 3 Archived 2012-04-17 at the Wayback Machine
  2. "Guide to Connecticut incentives & tax credits in 2023". www.solarreviews.com. Retrieved 2023-04-06.
  3. "Residential Renewable Energy Solutions Program". CT.gov - Connecticut's Official State Website. Retrieved 2023-04-06.
  4. "Department of Energy & Environmental Protection". CT.gov - Connecticut's Official State Website. Retrieved 2023-04-06.
  5. "(PDF) Financing Resilience in Connecticut Current Programs ......B. Microgrids Grants and Green Bank Financing Program C. Clean Water Revolving Loan Funds D. Tax Increment Financing Districts". dokumen.tips. Retrieved 2023-04-06.
  6. "Renewable Energy Solutions Interconnections". Eversource. Retrieved 2023-04-06.
  7. "Solar Insolation Chart, Solar Insolation Data | Average USA Sunlight | Solar Energy Radiation Map". www.solarpanelsplus.com. Retrieved 2023-04-06.
  8. "PV Watts". NREL. Retrieved 13 April 2012.
  9. 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.
  10. Sherwood, Larry (July 2010). "U.S. Solar Market Trends 2009" (PDF). Interstate Renewable Energy Council (IREC). Archived from the original (PDF) on 25 September 2010. Retrieved 28 July 2010.
  11. Sherwood, Larry (July 2012). "U.S. Solar Market Trends 2012" (PDF). Interstate Renewable Energy Council (IREC). p. 16. Retrieved 2013-10-11.
  12. Sherwood, Larry (July 2014). "U.S. Solar Market Trends 2013" (PDF). Interstate Renewable Energy Council (IREC). Retrieved 2014-07-27.
  13. "final_2015_pv_forecast.pdf" (PDF).
  14. Connecticut Solar
  15. "Connecticut Solar". Solar Energy Industries Association (SEIA). Retrieved 2020-05-05.
  16. "Electricity Data Browser". U.S. Department of Energy. March 28, 2018. Retrieved October 15, 2021.
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