Energy and Ancillary Services are services that ensure reliability and support the transmission of electricity from generation sites to customer loads. Such services may include load regulation, spinning reserve, non-spinning reserve, replacement reserve, and voltage support.

Source: https://www.eia.gov/tools/glossary/index.php?id=Ancillary%20services.

Posts

Regulations Affecting Coal Combustion Residuals (CCRs) Under EPA Rules | Energy Watch Blog

ESAI Power’s latest issue of EnergyWatch™ discusses regulations affecting coal combustion residuals (CCR) under EPA rules for wastewater discharge and CCR disposal and handling. Several coal-fired plants in PJM have announced retirement plans or are at-risk of retirement due to compliance requirements with these rules. Clients of our Energy Watch service received an accompanying spreadsheet with data about the affected plants. Also included are ESAI’s Power and Natural Gas forward pricing forecasts in PJM, NYISO, ISO-NE.

FERC Orders PJM To Change Reserve Market Rules, Delay Capacity Auctions | Capacity News

Ethan Howland reports in Utility Dive that the Federal Energy Regulatory Commission on Wednesday ordered the PJM Interconnection to revise its reserve market rules, which will delay the grid operator’s upcoming capacity auction. This was a reverse of an earlier decision. In a 3-1 vote, FERC reaffirmed its previous decision to direct PJM to consolidate tier one and tier two reserve products, but said it had erred by approving changes to the grid operator’s operating reserve demand curves (ORDC), which help set the price for reserves. Our Scott Niemann, Director and Principal of ESAI Power said, “This rule change seems like a small detail, but the ripple impacts may be more significant and touch a lot of aspects of the PJM market.”