PJM’s Market Implementation Committee on Wednesday resumed its discussion on potential changes to how the RTO curtails generating output when needed to maintain stability during maintenance outages. Generating units must sometimes be reduced below their normal economic max limit if a planned or unplanned transmission outage presents stability problems that...

By Tom Kleckner ERCOT stakeholders have begun the arduous process of reviewing and commenting on the protocol changes the grid operator has drafted to add real-time co-optimization (RTC) to its energy-only market. Members of the Real-Time Co-optimization Task Force and other interested stakeholders began walking through staff’s initial set of...

In its first report since the COVID-19 coronavirus pandemic forced most Texans to stay at home, ERCOT said last week it has seen a weekly 2% reduction in energy usage. ERCOT Senior Director of System Planning Warren Lasher said during the Technical Advisory Committee’s webinar Thursday that the grid operator...

By Rich Heidorn Jr. FERC on Thursday approved settlements of two complaints over PJM’s regulation market design despite opposition from Dominion Energy and the Independent Market Monitor (ER19-1651). Regulation service is the injection or withdrawal of real power by facilities that respond to PJM’s automatic generation control (AGC) signal to...

CARMEL, Ind. — MISO might revise and refile a failed proposal designed to set penalties for non-capacity resources that exercise market power through physical withholding. FERC recently rejected MISO’s bid to expand its Independent Market Monitor’s physical withholding mitigation to include non-capacity resources. The commission said the proposal was too...

By Rich Heidorn Jr. PJM stakeholders on Friday got their first look at the price floors that could be applied for capacity resources under the expanded minimum offer price rule (MOPR). PJM shared what it called "informational" net cost of new entry (CONE) values, while The Brattle Group, which was...

ISO-NE intends to design a forward ancillary services market to complement the day-ahead one proposed under its energy security improvements (ESI) initiative, stakeholders learned last week. It will formally signal that intent in its April 15 filing with FERC of the long-term fuel security mechanism (EL18-182). "Based on this analysis...

ERCOT CEO Bill Magness last week told the Board of Directors that the grid operator finished 2019 with a net positive variance of $35.4 million, boosting the pool of funds to implement real-time co-optimization (RTC). ERCOT CEO Bill Magness | ERCOT Magness said during the board’s Feb. 11 meeting that...

ERCOT stakeholders last week endorsed a final batch of key principles (KPs) that will guide the Texas grid operator’s implementation of real-time co-optimization into its energy market. "We’re in a transition period today," ERCOT’s Matt Mereness told the Technical Advisory Committee during its meeting Wednesday. "We have to button up...

ISO-NE’s External Market Monitor last week presented the New England Power Pool Markets Committee a conceptual design for mitigating market power in the RTO’s day-ahead ancillary services market. Monitor David Patton led off with a memo describing the advantages of the conduct-impact approach, a two-step process that uses reference levels...