The US Energy Information Administration (EIA) no longer expects to publish one of its major energy reports this year after losing some of its staff through President Donald Trump's efforts to downsize the federal workforce.

The EIA does not plan to publish its International Energy Outlook (IEA) — which models long-term global trends in energy supply and demand — this year because of a loss of staff responsible for producing the report, according to an internal email initially reported by the news outlet ProPublica. The EIA confirmed the authenticity of the email.

"At this point, you can assume that we will not be releasing the IEO this year," the EIA's Office of Energy Analysis assistant administrator Angelina LaRose wrote in the 16 April email. "This was a difficult decision based on the loss of key resources."

Oil and gas producers, traders, utility companies, federal regulators and foreign governments have come to rely on the data and models from the EIA, an independent agency within the US Department of Energy. The 2025 version of the IEO might still be published early next year, the EIA said.

The agency for now is focusing on trying to "preserve as much institutional knowledge as possible" with an "all hands-on deck" effort under which remaining staff will document models and procedures on long-term modeling, LaRose wrote in the email.

Trump and his administration have worked to cut the size of the government's workforce through voluntary buyouts and a process known as a reduction in force. The EIA has yet to say how many personnel it has lost, but about a third of the agency's 350 staffers have accepted voluntary buyouts, according to a person familiar with the situation. The White House last week proposed an 18pc budget cut for the non-nuclear portions of the Department of Energy, but has yet to say if it is seeking to cut spending at the EIA.

Last month, the EIA released its premier report, the Annual Energy Outlook, but omitted its traditional in-depth analysis. A technical issue on 1 May delayed the release of a key natural gas storage report by more than three hours, the EIA said.

By Chris Knight