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A collection of 8 posts

Batteries Boom but Solar Slides in CAISO

Batteries Boom but Solar Slides in CAISO

For the first time in years, CAISO's solar output in April declined, but wind broke records after a 4-year drought. Gas was down, curtailment up, and battery operations continued to expand. We track all of these and more during a busy spring in California.

One Year of IESO Market Renewal in Ontario

One Year of IESO Market Renewal in Ontario

Canada's most populous province, Ontario, just celebrated the one-year anniversary of its nodal power market. We're taking a look at market trends, how outcomes tracked against expectations, and quirks across the market.

Capacity Constraints in PJM have Grown Beyond Dominion

Capacity Constraints in PJM have Grown Beyond Dominion

As tech firms snap up clean firm power with PPAs to power data center load growth, Dominion's demand challenges have spread to PPL. Can PJM as a whole keep up?

How Does a Renewed IESO Respond to a Nuclear Trip

How Does a Renewed IESO Respond to a Nuclear Trip

Energy prices hit $2,000/MWh in Ontario. What triggered this price spike, and how the renewed IESO market respond?

One Week of Data from Market Renewal in IESO

One Week of Data from Market Renewal in IESO

From nodal spreads to capture rates, we’re taking a look at the first week of action and outcomes in Ontario’s new nodal market.

Market Renewal in Ontario: Navigating IESO's Shift to a Nodal System

Market Renewal in Ontario: Navigating IESO's Shift to a Nodal System

Ontario's power market administrator, IESO, is about to undergo major changes. We explore the history of the ISO and examine the impact these reforms will have on participants.

How the ERCOT Market Responds to a Nuclear Trip

How the ERCOT Market Responds to a Nuclear Trip

Looking at the data of how ERCOT maintains grid stability when a nuclear plant unexpectedly goes offline.

What Happens When a Nuclear Plant Suddenly Shuts Off?

What Happens When a Nuclear Plant Suddenly Shuts Off?

Nearly instantaneously, a significant portion of nuclear generation in New England disappeared. This abrupt outage created measurable effects across the grid that we explore in this post.