Fuel procurement and environmental limitations are the top obstacles to increasing the flexibility of PJM’s generating fleet, according to the PJM generator survey results released last week.

PJM is considering new rules to address issues, including defaults, raised by the collapse of two retail marketers in January.

PJM members endorsed updates to PJM’s Regional Transmission and Energy Practices in support of the RTO’s new ExSchedule application.

PJM stakeholders reacted warily last week to a proposal that would allow dispatchers to reduce interchange ramp limits to reduce price volatility and uplift. PJM would like to implement the change by summer.

PJM members voted to begin work on rule changes to allow residential customers to participate in the synchronized reserve market through demand response.

PJM could get 30% of its energy from wind and solar power without reliability problems, but it could require as much as $13.7 billion in transmission upgrades, according to a long-awaited study.

PJM members last week approved manual changes implementing the PJM seasonal verification rules, adding a transition period for units that have not been conducting the required tests.

PJM members will consider relaxing metering requirements to make it more practical for residential customers to offer demand response into the synchronous reserve market under a problem statement approved Friday.

PJM plans to change its definition of the PJM-MISO interface to eliminate double counting that can inflate congestion calculations in market-to-market transactions.

Load serving entities in PJM are starting to calculate how much their bills are going to increase for a frigid January, and they aren’t happy about it.