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Solar power in Washington (state)

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Solar installation, Shelton

As of the first quarter of 2023, Washington State has 604 MW of solar power electricity generation.[1] This is an increase from about 300 MW in 2021 and 27 MW in 2013.

Washington pays a feed-in tariff of up to $5,000/year of 15 cents/kWh, which is increased by a factor of 2.4 if the panels are made in the state and by an additional 1.2 if the inverters are made in state.[2][3]

Amount of sunlight

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The average insolation in Washington's two largest cities are as follows.

In the charts, a peak sun hour is one kilowatt-hour per square meter of solar irradiance.[4]

Source: NREL[5]
Source: NREL[6]

Installed generation capacity

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Total grid connected

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Grid-Connected PV Capacity (MW)[7][8][9][10][11][12][13][14]
Year Capacity Change % Change
2007 1.9
2008 3.7 1.8 95%
2009 5.2 1.5 41%
2010 8.0 2.9 54%
2011 12.3 4.2 54%
2012 19.5 7.2 59%
2013 27.4 7.9 41%
2014 39 7.2 42%
2015 62 26 59%
2016 85 23 37%
2017 105 20 23%
2018 169 64 61%
2019 216 47 27%
2020 250.3 34.3 15%
2021 297.6 47.3 %
2022 585 287.4 %

Utility-scale

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Utility-scale solar generation in Washington (GWh)[15]
Year Total Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018 2 0 0 0 0 0 0 0 0 0 0 1 1
2019 43 2 2 4 4 4 5 5 5 4 4 2 2
2020 47 1 3 4 5 5 5 7 6 4 4 2 1
2021 50 1 2 5 6 6 7 7 6 5 4 2 1
2022 83 1 3 5 5 6 6 7 6 4 13 14 11
2023 363 15 23 34 42 16 52 52 45 35 27 16 8
2024 11 18

See also

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References

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  1. ^ "Washington Solar | SEIA". www.seia.org. Retrieved 2023-08-19.
  2. ^ Washington State Creates Incentive for Home Solar Power Production
  3. ^ Washington Renewable Energy Production Incentives Archived 2012-05-10 at the Wayback Machine
  4. ^ "This is How Much Sunlight Your Solar Panel System Needs".
  5. ^ "PV Watts". NREL. Retrieved 19 August 2012.
  6. ^ "PV Watts". NREL. Retrieved 19 August 2012.
  7. ^ Sherwood, Larry (July 2014). "U.S. Solar Market Trends 2013" (PDF). Interstate Renewable Energy Council (IREC). Retrieved 2014-07-21.
  8. ^ Sherwood, Larry (July 2013). "U.S. Solar Market Trends 2012" (PDF). Interstate Renewable Energy Council (IREC). p. 16. Retrieved 2013-10-11.
  9. ^ Sherwood, Larry (August 2012). "U.S. Solar Market Trends 2011" (PDF). Interstate Renewable Energy Council (IREC). p. 17. Archived from the original (PDF) on 2012-09-06. Retrieved 2012-08-16.
  10. ^ Sherwood, Larry (June 2011). "U.S. Solar Market Trends 2010" (PDF). Interstate Renewable Energy Council (IREC). Retrieved 2011-06-29.
  11. ^ Sherwood, Larry (July 2010). "U.S. Solar Market Trends 2009" (PDF). Interstate Renewable Energy Council (IREC). Archived from the original (PDF) on 2010-09-25. Retrieved 2010-07-28.
  12. ^ Sherwood, Larry (July 2009). "U.S. Solar Market Trends 2008" (PDF). Interstate Renewable Energy Council (IREC). Archived from the original (PDF) on 2009-11-23. Retrieved 2010-07-24.
  13. ^ Sherwood, Larry (August 2008). "U.S. Solar Market Trends 2007" (PDF). Interstate Renewable Energy Council (IREC). Retrieved 2010-07-24.[permanent dead link‍]
  14. ^ Washington Solar
  15. ^ "Electricity Data Browser". U.S. Department of Energy. March 28, 2018. Retrieved October 1, 2021.
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