0001828723 2022-01-13 2022-01-13 0001828723 cbah:ClassACommonStockSubjectToPossibleRedemptionMember 2022-01-13 2022-01-13 0001828723 us-gaap:WarrantMember 2022-01-13 2022-01-13 false 0001828723 8-K 2022-01-13 Altus Power, Inc. DE 001-39798 85-3448396 2200 Atlantic Street 6th Floor Stamford CT 06902 (203) 698-0090 false false false false Class A common stock, par value $0.0001 per share AMPS NYSE Warrants to purchase one share of common stock, each at an exercise price of $11.00 AMPS WS NYSE true false