Pennsylvania is part of the PJM Interconnection, which manages the electric grid for PA and 12 other states. Your electricity bill includes not only energy and delivery costs, but also capacity costs. PA capacity costs incent power generators to maintain sufficient supply on the electric grid during times of peak demand.
In June 2024, the PJM Interconnection held a capacity auction that resulted in pricing 833% higher than the prior year.
The capacity cost increase means a 10-20% increase Pennsylvania residential electricity bills starting in June 2025. Businesses can expect an increase of up to 29%.
Here’s the background, and what you can do to keep your bills under control.
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