"Solar duck curve" by Marta Victoria is licensed under CC BY-SA 4.0.

The Duck Curve & Solutions For It

In the US, the “duck curve” is a California phenomena. It’s a change to the legacy way of operating generation on the grid. The last time there was a signifiant change, and all of this was predicted long before it happened, there was too much solar during the middle of … [continued]

Figure 2. In 2023, average wholesale electricity prices (2023$/MWh) varied strongly by region. Shown are annual average real time electricity market prices based on data from all locational marginal p ce (LMP) nodes in 2023. Energy Markets & Policy Berkeley laboratory

Exploring Wholesale Energy Price Trends: The Renewables & Wholesale Electricity Prices (ReWEP) Tool, Version 2024.1

The Renewables and Wholesale Electricity Prices (ReWEP) visualization tool from Berkeley Lab has been updated with nodal electricity pricing and wind and solar generation data through the end of 2023: ReWEP users can explore trends in wholesale electricity prices and their relationship to wind and solar generation. ReWEP includes … [continued]

The Southwest Power Pool (SPP) uses a more specific alert system than NERC. Source: Southwest Power Pool.

How Do Electric Grid Operators Warn Us About Extreme Heat?

Electricity grid operators often keep a wary eye towards the thermometer, particularly during the summertime danger season, as daily temperatures soar above 90 degree Fahrenheit and heat waves spread around the country. And for good reason: extreme heat events cause a host of reliability issues for the grid. Electricity demand … [continued]

Monthly average wholesale electricity prices at selected trading hubs Data source: S&P Global Market intelligence

Wholesale U.S. Electricity Prices Were Volatile in 2022

Average wholesale electricity prices at major trading hubs in the United States rose throughout much of 2022 and were, at times, volatile as a result of extreme weather events. The limited availability of coal to substitute for higher-priced natural gas also contributed to higher electricity prices. Prices at all electricity … [continued]