Devin Leith-Yessian

Philadelphia

PJM Correspondent at RTO Insider

PJM Correspondent with @RTOinsider based out of Philadelphia

Articles

MISO Forming 4th Tx Planning Scenario

1 week ago | rtoinsider.com | Amanda Durish Cook |Devin Leith-Yessian |Jon Lamson |James Downing

MISO's estimated capacity limits under its new, fourth future | MISO MISO is on its way to installing a fourth, 20-year future to inform transmission planning in case supply chains remain unsteady.
SEEM Opponents Urge FERC for Clarification

1 week ago | rtoinsider.com | Holden Mann |Devin Leith-Yessian |Jon Lamson |James Downing

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EIA Projects Demise of Coal, Rise of Renewables

1 week ago | rtowww.com | John Cropley |Amanda Cook |Vincent Gabrielle |Devin Leith-Yessian

The U.S. Energy Information Administration predicts sharp increases in renewable power generation and sharp decreases in coal-fired power in its 2025 Annual Energy Outlook, released April 15. The EIA also projects an overall decrease in U.S. energy consumption over the next decade, with subsequent increases so small that 2050 levels still are lower than 2024 levels.
DC Circuit Rejects Entergy Attempt to Save MISO Capacity Obligation Rule

1 week ago | rtowww.com | Amanda Durish Cook |Vincent Gabrielle |John Cropley |Devin Leith-Yessian

The D.C. Circuit Court of Appeals has denied Entergy’s repeat attempt to revive a 50% minimum capacity obligation rule for MISO’s load-serving entities. The court concluded in an April 15 decision that Entergy lacked standing to request the discarded rule be implemented (22-1334).
Md. Consumer Advocate Seeks Price Cut in PJM 2024 Capacity Auction

1 week ago | rtowww.com | Devin Leith-Yessian |Jon Lamson |James Downing |John Cropley

The Maryland Office of People’s Counsel has filed a complaint against PJM alleging the rules used in the 2025/26 Base Residual Auction would require consumers to pay twice for capacity provided by generators operating on reliability-must-run agreements. The auction conducted in July 2024 resulted in a nearly 10-fold increase in capacity prices.
GCPA Conference Examines the Biggest Change to ERCOT Market in 15 Years

1 week ago | rtoinsider.com | James Downing |Tom Kleckner |Devin Leith-Yessian |John Cropley

ERCOT Vice President of Commercial Operations Keith Collins addresses the Gulf Coast Power Association's Real-Time Co-optimization Workshop. | © RTO Insider ERCOT is poised to start testing real time co-optimization of energy and ancillary services in a few weeks and bring the change live this December, which will mark the biggest paradigm shift in Texas' wholesale markets in 15 years.
GCPA Conference Examines the Biggest Change to ERCOT Market in 15 Years

1 week ago | rtowww.com | James Downing |Devin Leith-Yessian |Jon Lamson |John Cropley

HOUSTON — ERCOT this December will begin implementing a market design change that has been debated for more than a decade, experts said at the Gulf Coast Power Association’s Annual Spring Conference on April 14. The real-time co-optimization (RTC) of energy and ancillary services means that ERCOT’s security-constrained economic dispatch will solve for both at the same time.
FERC Authorizes NYISO, ISO-NE to Collect Tariffs on Electricity

1 week ago | rtoinsider.com | Jon Lamson |Tom Kleckner |James Downing |Devin Leith-Yessian

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Report Estimates Billions in Savings from More Interregional Transmission

1 week ago | rtowww.com | John Cropley |Devin Leith-Yessian |Jon Lamson |James Downing

The authors of a new report released April 4 say better market integration and reduced interregional constraints in the U.S. transmission network would have saved as much as $12 billion in 2022 and 2023. They note the importance of achieving better grid integration in an era when increasing amounts of renewable generation is coming online but flag the difficulty of achieving it, given the financial incentive existing generators have to delay or block such integration.
Report Estimates Billions in Savings from More Interregional Transmission

1 week ago | rtoinsider.com | John Cropley |Tom Kleckner |James Downing |Devin Leith-Yessian

Looking to read the full article?