PA SB1019

Increases customer-generator capacity limits to 50 kW for residential and 3,000 kW (3 MW) for commercial sites, with systems up to 5 MW allowed if available for grid emergencies or supporting critical infrastructure like hospitals and emergency facilities.

Removes the 2-mile geographic restriction for virtual meter aggregation, allowing net metering credits to be applied across multiple properties within the same electric distribution company's service territory if held by the same owner or parent corporation.

Establishes "preferred sites" for solar development including brownfields, abandoned mine lands, capped landfills, parking canopies, warehouse rooftops, school facilities, industrial land, and sites near closing coal plants, which receive full retail credit until December 31, 2050.

Provides safe harbor protection for existing net-metered systems and applications submitted before September 1, 2025, guaranteeing full retail value compensation until equipment replacement or December 31, 2050.

Requires the Pennsylvania Public Utility Commission to develop statewide technical and net metering interconnection rules within 9 months through a stakeholder process, consistent with regional transmission organization standards.