The commission sided with a homeowner who feared a utility's use of herbicides along its power lines would contaminate his drinking water.
A hearing examiner had said Aqua Pennsylvania failed to prove the acquisition would provide a public benefit.
Since Liz Robinson founded the nonprofit agency in 1984, it has weatherized 45,000 low-income homes and fixed 50,000 heating systems.
The expenditures, aimed at improving resilience, will increase the monthly bill for a typical residential customer about 49 cents.
The company says it will "prematurely" shut down its Three Mile Island nuclear reactor near Harrisburg in 2019 unless it gets a bailout from the Pennsylvania legislature.
The transit agency wants to install 3.1 megawatts of solar panels on four Philadelphia maintenance centers, making it the second-largest city solar project after the Eagles' installation at Lincoln Financial Field.
PSEG's CEO called for NJ to move away from a century-old rate system that encourages utilities to sell as much energy as possible toward a new model that incentivizes conservation.
The utility, which serves 44,000 in the Philadelphia suburbs and 656,000 statewide, wants to raise rates slightly to pay for lead-pipe replacement costs.
Pennsylvania’s gas industry produced a record 5.1 trillion cubic feet of gas in 2016, but the number of new wells drilled has declined. Drilling violations are also up.
The PUC wants to explore policies related to third-party electric vehicle charging stations, saying the absence of consistent rules may inhibit the build-out of EV infrastructure.
Trying times have returned to Philadelphia area oil refiners, which enjoyed a respite with the influx of domestic oil-by-rail. The Philadelphia Energy Solutions and Monroe Energy plants are the most vulnerable operations, analysts say.
Robert F. Powelson, 48, recently touched off a tempest after saying anti-pipeline activists were engaged in “jihad.”
PJM, the regional grid operator, says electricity demand is expected to peak this summer at 153,000 megawatts, but it has plenty of power in reserve.
Andrew Maykuth covers energy news.