Welcome to Grid Brief! Today we’re looking at power generation and power prices in America’s power markets, with news items where relevant. We’ve got a lot of updates about ERCOT this week.
What’s Keeping the Lights On?
Let’s start with a snapshot of generation nation-wide:

The top three generators—gas, nuclear, and coal—continued their reign.
And here’s a map to orient you as we move through the market areas:

CAISO

Natural gas and solar were the two top generators in the Golden State.
Here’s a look at marginal prices in California’s two largest utilities: Southern California Edison and PG&E. Real-time prices noticeably diverged from day-ahead prices—both above and below—depending on solar’s output compared to natural gas.

So Cal Edison

PG&E
Storms in California have left 100,000 residents without power at time of writing. According to AccuWeather, preliminary estimates of economic losses incurred by the storms range from $9 to $11 billion.
New York-ISO

Natural gas, hydro, and nuclear kept the Empire State humming this week.
Real-time prices and day ahead prices remained reasonably coupled throughout the week.

NYC Hub