The analysis says more interregional power lines will lower the overall number of power plants needed and let cheaper power flow more easily across borders.
Pennsylvania utilities are monitoring for threats after an attack on two electric substations left thousands of people without power in North Carolina.
Over the next 15 years PJM Interconnection expects to add 100,000 megawatts of renewable power.
The commonwealth says it has rules to prevent price spikes. Have you switched from your default electricity provider, or are you thinking about it? StateImpact Pennsylvania wants to hear your story.
By
Amy Sisk 
A bipartisan group of governors is calling on federal regulators to look at unifying the nation’s power grids.
Significant power outages have increased across the state. The Public Utility Commission warns that utilities might not be prepared to handle frequent severe weather.
By
Amy Sisk 
