PJM Interconnection issues alerts warning of tight electricity supplies

This story was originally published by Pennsylvania Capital Star The electricity grid operator for a broad swath of the mid-Atlantic and Midwest warned this week that warm weather and maintenance outages could push the system close to its limits. PJM Interconnection alerted power plant owners and electric utilities Monday of the need to take steps to avoid rolling blackouts as the demand for power approaches the grid’s current maximum capacity. It called on them to suspend maintenance and keep g...