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Regional revenues of solar and wind generation in Texas

Author

Listed:
  • Woo, C.K.
  • Zarnikau, J.
  • Tsai, C.H.
  • Cao, K.H.
  • Qi, H.S.
  • Li, R.

Abstract

Effective regulatory policies, ample renewable energy potential, and a favorable business climate have led to a boom in wind farms and solar energy projects in Texas. Using a large sample of 15-min data for the six-year period of 2016–2021, we analyze per MWh revenues from solar generation and wind generation in the renewable regions of the Electric Reliability Council of Texas (ERCOT). We find that average regional revenues from variable renewable energy (VRE) for the daytime hours of 07:00–19:00 exceed the average levelized price of recently signed solar and wind power purchase agreements (PPAs), although average regional revenues for wind generation for the nighttime hours of 19:00–07:00 were lower than recent PPA prices. Moreover, VRE's 15-min regional revenues move with ERCOT's cap on the real-time market's energy price offers, regulatory price adder, daily wholesale natural gas price, 15-min nuclear energy generation, 15-min system load, 15-min regional solar energy and 15-min regional wind energy. While continued VRE development may suppress wholesale market prices, continued growth in electricity demand and increasing natural gas prices provide offsetting effects. Nevertheless, new policies are under development to mitigate the adverse effects of further VRE development on grid reliability and generation investment incentive.

Suggested Citation

  • Woo, C.K. & Zarnikau, J. & Tsai, C.H. & Cao, K.H. & Qi, H.S. & Li, R., 2023. "Regional revenues of solar and wind generation in Texas," Energy Policy, Elsevier, vol. 178(C).
    • Handle: RePEc:eee:enepol:v:178:y:2023:i:c:s0301421523001714
    DOI: 10.1016/j.enpol.2023.113586
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    Cited by:

    1. Mühlichen, Michael & Lerch, Mathias & Sauerberg, Markus & Grigoriev, Pavel, 2023. "Different health systems – Different mortality outcomes? Regional disparities in avoidable mortality across German-speaking Europe, 1992–2019," Social Science & Medicine, Elsevier, vol. 329(C).

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