What's New
April 27, 2026 Today in Energy ›
Small modular reactors and microreactors under development in the United States ›
Electric utilities in the United States currently operate about 98 gigawatts (GW) of nuclear generating capacity, but very little nuclear capacity has been built in the last few decades. High capital costs and lengthy licensing and approval processes have limited the expansion of nuclear power. However, several companies are developing new small modular reactor (SMR) designs aimed at reducing capital costs and increasing siting flexibility, challenges associated with traditional nuclear power. More ›
Data source: U.S. Energy Information Administration, Monthly Nuclear Utility Generation by State and Reactor
Regular Releases*
Daily
New England Dashboard
Updated hourly (unless indicated otherwise)
U.S. Electric System Operating Data
Updated hourly (unless indicated otherwise)
Today in Energy
Release schedule: Several times each week
Weekly
Coal Markets
Release schedule: Monday by 5:00 p.m. EST
Gasoline and Diesel Fuel Update
Release schedule: Tuesday approx. 10:00 a.m. EST (schedule)
Heating Oil & Propane Update (October-March)
Heating Oil, Propane Residential and Wholesale Price Data
Release schedule: Wednesday at 1:00 p.m. EST
Weekly Coal Production
Release schedule: Thursday by 5:00 p.m. EST
Weekly Natural Gas Storage Report
Release schedule: Thursday at 10:30 a.m. EST (schedule)
Weekly Natural Gas Storage Report Supplement
Release schedule: Thursday by 5:00 p.m. EST
Weekly Petroleum Status Report
Release schedule: The wpsrsummary.pdf, overview.pdf, and Tables 1-14 in CSV and XLS formats, are released to the Web site after 10:30 a.m. EST on Wednesday. All other PDF and HTML files are released to the Web site after 1:00 p.m. EST on Wednesday. For some weeks which include holidays, releases are delayed by one day. (schedule)
* Releases change on weeks with Federal holidays