United States Secretary of Energy and former Governor of Texas Rick Perry attends the Arctic Circle Assembly at Harpa Concert Hall on October 10, 2019 in Reykjavik, Iceland. Two people familiar with the matter say Perry notified President Donald Trump Thursday that he will soon be leaving the post.
Matthew Eisman—Getty Images

Energy Secretary Rick Perry notified President Donald Trump Thursday that he will soon be leaving the post, according to two people familiar with the matter.

Perry, one of the administration’s original cabinet secretaries, enjoyed good rapport with Trump. The former Texas governor has recently come under scrutiny in the House impeachment inquiry over his discussions with Ukraine.

Perry’s departure date is unclear. The people familiar requested anonymity to discuss information before it is made public.

Shaylyn Hynes, an Energy Department spokeswoman, declined to comment.

Perry had been planning his departure from the agency well before the Ukraine controversy became the subject of an impeachment query in the House.

Perry had avoided the missteps that led to the downfall and exit of other cabinet members including Environmental Protection Agency Administrator Scott Pruitt and Interior Secretary Ryan Zinke.

But as the impeachment investigation into White House interactions with Ukraine’s President Volodymyr Zelenskiy has expanded, some of that good will seemed to disappear. Trump earlier this month blamed Perry for the July 25 call with Zelenskiy that led to the whistle-blower complaint that spurred the probe, telling Republican lawmakers it was his energy secretary’s idea.

The House is investigating allegations Trump on the call pressured Zelenskiy to investigate Democrat Joe Biden and his son, Hunter, for activities in Ukraine.

Perry has met at least three times with Zelenskiy, including in May when he led a delegation to Ukraine’s presidential inauguration in place of Vice President Mike Pence. That trip was referenced in the whistle-blower complaint that sparked the House’s swift-moving impeachment inquiry. House Democrats this month issued a subpoena for Perry, demanding more details about the trip, the phone call, and if Perry attempted to make changes to the board of state-owned utility Naftogaz. Those documents are due Oct. 18, according to the subpoena.

Perry told the Wall Street Journal in an interview published Wednesday that he called Trump’s personal lawyer, Rudy Giuliani, earlier this year at the president’s direction to address concerns about Ukrainian corruption. Those remarks seen by some as cavalier and not helpful to Trump’s cause.

Perry, 69, has led the agency he once vowed to eliminate since March 2017, and has told friends he’d like to make money in the private sector before retiring.

For months, Perry has been paving the way for his likely successor, Deputy Energy Secretary Dan Brouillette, according to a person familiar with the matter. Brouillette has taken a bigger role in some department policy matters, such as natural gas exports, and he has more frequently served as the public face of the agency, including on diplomatic missions to tout American energy to foreign allies.

Several key Perry aides also recently departed as the secretary prepares to leave.

During his tenure at the department, which has an annual budget of about $30 billion and a mission that ranges from safeguarding nuclear weapons to maintaining the emergency oil reserve, Perry pressed unsuccessfully for a government rescue of unprofitable coal and nuclear plants.

Contact us at editors@time.com.

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