Renewables Are Lowering Price of Electricity For All in Ohio

Contrary to “conventional wisdom” renewable energy is causing downward price pressure on Ohio wholesale markets

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The Public Utilities Commission of Ohio (PUCO) has recently released a report that concludes that the addition of large scale renewable energy is having the effect of causing price suppression. For people who pay electric bills price suppression is a good thing.

Since renewable are a no-cost addition to the grid, once installed, they are called upon first to deliver electricity. This lowers the overall wholesale rate of electricity delivered into Ohio.

From the report:

Price suppression is a widely recognized phenomenon by which renewable resources produce lower wholesale market clearing prices. The economic theory that drives price suppression is
actually quite simple. Renewable resources such as solar and wind are essentially zero marginal cost generators, as their “fuel” costs (sunlight and wind) are free. As such, they will always be dispatched first by the grid operator, thereby displacing units with higher operating costs. This
results in lower wholesale market clearing prices than would have been experienced in the absence of the renewable resources.
— Public Utilities Commision of Ohio

The report goes on to say that there are no issues with grid integration of these technologies in Ohio.

No severe congestion issues or emergency curtailments were observed, even after incorporating all approved projects, which suggests that the electric grid in Ohio is sufficiently robust to support the continued development of utility-scale renewable projects.

— Public Utilities Commision of Ohio

The other compelling thing about this report is that the PUCO is not a biased party.