Exhibit 16.1
April 18, 2024
Securities and Exchange Commission
100 F Street N.E.
Washington, D.C. 20549
We have been furnished with a copy of the response to Item 4.01 of Form 8-K for the event that occurred on April 16, 2024, to be filed by our former client, Zeo Energy Corp (f/k/a as ESGEN Acquisition Corporation). We agree with the statements made in response to that Item insofar as they relate to our Firm.
Very truly yours,
/s/ BDO USA, P.C.