If you've been watching Pennsylvania's energy landscape, there's a bill worth knowing about: House Bill 501, also called the Pennsylvania Reliable Energy Sustainability Standard (PRESS). Introduced by Rep. Danielle Friel Otten and supported by a wide bipartisan coalition, PRESS is one of the most significant pieces of clean energy legislation to move through Harrisburg in years.
What Does HB 501 Actually Do?
PRESS updates Pennsylvania's existing renewable energy law — the Alternative Energy Portfolio Standard (AEPS), first passed in 2004 — which essentially flatlined in 2021. Since then, utility companies in the state have had no obligation to increase the share of electricity they generate from clean sources.
HB 501 would change that by requiring 35% of Pennsylvania's electricity to come from renewable sources like wind and solar by 2035. The bill also introduces Zero Emissions Credits (ZECs) to support the state's nuclear fleet, and adds provisions around force majeure, health and safety standards, and interagency coordination.
Why Does This Matter for Southeastern PA?
Pennsylvania was once the 4th leading solar state in the country — it has since dropped to 22nd due to a lack of policy momentum in Harrisburg. Meanwhile, neighboring states like Maryland and New Jersey have already committed to 50% renewable energy by 2030.
Pennsylvania currently ranks 36th in the nation for residential electricity rates, with an average cost of 17 cents per kilowatt-hour — and overreliance on natural gas has contributed to price volatility. Events like Winter Storm Elliott in 2022 exposed the fragility of gas-dependent infrastructure and led to massive spikes in capacity market costs passed directly on to PECO customers.
PRESS addresses this by diversifying the energy mix. Distributed (rooftop) solar is specifically highlighted as a fast-moving solution — it bypasses the PJM interconnection queue, improves grid reliability more quickly, and brings jobs to local communities across Montgomery, Delaware, Bucks, and Chester counties.
Where Does the Bill Stand?
HB 501 passed out of the House Environmental and Natural Resource Protection Committee in June 2025 but has not yet been signed into law. Its path through the full Senate remains uncertain.
What It Means for Southeastern PA Homeowners
Whether you're a homeowner considering solar or a business looking to lock in long-term energy savings, PRESS is a signal that Pennsylvania's energy policy is headed in a cleaner direction. Stronger renewable standards typically increase the value of Solar Renewable Energy Credits (SRECs), which help offset the cost of going solar and improve your payback timeline.
At Pennstar Solar, we'll continue to track this legislation closely. In the meantime, going solar is already a smart financial move in Southeastern PA — with PECO's 1:1 net metering, SREC income, and rising utility rates making the economics compelling. Contact us to find out what solar looks like for your home or business.