Pennsylvania Bill Targeted Plug-in Solar Legalization
New legislation would allow renters and owners to lower utility bills with simple plug-in solar arrays.
Updated on Oct. 14, 2026 in Utilities
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Representative Chris Pielli introduced House Bill 1971 to legalize plug-in solar energy systems in Pennsylvania. The proposed measure would allow residents to use safety-certified units to offset power costs, offering a lower-cost alternative to traditional rooftop arrays.
Why it matters
The bill aims to lower consumer power bills and reduce bureaucratic hurdles for solar energy access, particularly for renters who cannot install rooftop panels. This effort coincides with rising electricity rates that are impacting household operating costs across the state.
The proposed 1,200-watt limit for plug-in solar systems could cover 10 to 30 percent of typical home energy use. Owners of a single 180-watt unit could realize an estimated $535 in savings over 10 years.
The players
Chris Pielli
A member of the Pennsylvania House of Representatives who introduced the legislation to legalize plug-in solar technology.
Underwriters Laboratories
A global safety science company that established the UL3700 framework to govern the safety standards for plug-in solar equipment.
PECO
An electric and natural gas utility provider in Pennsylvania that is planning to increase electricity rates in 2027.
The details
House Bill 1971 would authorize systems that connect directly to a standard outlet via a microinverter, allowing power to flow into the home grid. The legislation explicitly prohibits electricity distributors from charging extra fees to customers using units that meet the UL3700 safety framework released in January 2026. This hardware includes microconverters that automatically shut off during power outages to prevent grid backfeeding.
Timeline
January 2026: Underwriters Laboratories released the UL3700 safety framework.
August 2026: A UL-compliant microconverter became available on the market.
December 2026: The Pennsylvania legislative session is scheduled to conclude.
Market Landscape
The bill follows the release of the UL3700 safety framework, which provides the technical certification necessary for state-level legalization. This proposal aligns Pennsylvania with the at least 10 other states that have already legalized similar plug-in solar technology.
Operators and residents should monitor the bill's progress as it offers a potential path to mitigate the impact of rising electricity rates. If passed, the legislation would eliminate potential utility-imposed fees, making low-cost, modular energy systems more viable for small-scale deployment.
The takeaway
Plug-in solar offers a modular way to hedge against rising utility costs without the high capital expenditure of traditional solar arrays. Owners should monitor the legislative calendar for a potential vote before the December 2026 deadline to assess the feasibility of adopting this technology.
What happens next
Representative Pielli plans to reintroduce the legislation in the next session if it fails to pass by the end of the current session on December 31, 2026.
Further reading
Learn more about the shifting regulatory environment in the Utilities section.
Source note: This article includes information reported by The Philadelphia Citizen.
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