General	9 Months Ended
Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
General	General Company Overview Altus Power, Inc., a Delaware corporation (the “Company” or "Altus"), headquartered in Stamford, Connecticut, develops, owns, constructs and operates large-scale roof, ground and carport-based photovoltaic solar energy generation and storage systems, for the purpose of producing and selling electricity to credit worthy counterparties, including commercial and industrial, public sector and community solar customers, under long-term contracts. The Solar energy facilities are owned by the Company in project specific limited liability companies (the “Solar Facility Subsidiaries”). On December 9, 2021 (the "Closing Date"), CBRE Acquisition Holdings, Inc. ("CBAH"), a special purpose acquisition company, consummated the business combination pursuant to the terms of the business combination agreement entered into on July 12, 2021 (the "Business Combination Agreement"), whereby, among other things, CBAH Merger Sub I, Inc. ("First Merger Sub") merged with and into Altus Power, Inc. (f/k/a Altus Power America, Inc.) ("Legacy Altus") with Legacy Altus continuing as the surviving corporation, and immediately thereafter Legacy Altus merged with and into CBAH Merger Sub II, Inc. ("Second Merger Sub") with Second Merger Sub continuing as the surviving entity and as a wholly owned subsidiary of CBAH (together with the merger with the First Merger Sub, the “Merger”). In connection with the closing of the Merger, CBAH changed its name to "Altus Power, Inc." and CBAH Merger Sub II (after merger with Legacy Altus) changed its name to "Altus Power, LLC." COVID-19 The spike of a novel strain of coronavirus (“COVID-19”) in the first quarter of 2020 caused significant volatility in the U.S. markets that remains ongoing. In response to the COVID-19 pandemic, federal, state, local, and foreign governments put in place, and in the future may again put in place, travel restrictions, quarantines, “stay at home” orders and guidelines, and similar government orders and restrictions, in an attempt to control the spread of the disease. Such restrictions or orders resulted in, and in the future may result in, business closures, work stoppages, slowdowns and delays, among other effects that negatively impacted, and in the future may negatively impact, our operations, as well as the operations of our customers and business partners. In addition, COVID-19 has caused disruptions to the supply chain across the global economy, including within the solar industry, and we are working with our equipment suppliers to minimize disruptions to our operations. Certain suppliers have experienced, and may continue to experience, delays and increased costs related to a variety of factors, including logistical delays and component shortages from upstream vendors. Based on the challenges described above, such as supply chain and logistical delays, such results have had and will continue to have a material adverse effect on our business, operations, financial condition, results of operations, and cash flows.

General

9 Months Ended

Sep. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Company Overview

Altus Power, Inc., a Delaware corporation (the “Company” or "Altus"), headquartered in Stamford, Connecticut, develops, owns, constructs and operates large-scale roof, ground and carport-based photovoltaic solar energy generation and storage systems, for the purpose of producing and selling electricity to credit worthy counterparties, including commercial and industrial, public sector and community solar customers, under long-term contracts. The Solar energy facilities are owned by the Company in project specific limited liability companies (the “Solar Facility Subsidiaries”).

On December 9, 2021 (the "Closing Date"), CBRE Acquisition Holdings, Inc. ("CBAH"), a special purpose acquisition company, consummated the business combination pursuant to the terms of the business combination agreement entered into on July 12, 2021 (the "Business Combination Agreement"), whereby, among other things, CBAH Merger Sub I, Inc. ("First Merger Sub") merged with and into Altus Power, Inc. (f/k/a Altus Power America, Inc.) ("Legacy Altus") with Legacy Altus continuing as the surviving corporation, and immediately thereafter Legacy Altus merged with and into CBAH Merger Sub II, Inc. ("Second Merger Sub") with Second Merger Sub continuing as the surviving entity and as a wholly owned subsidiary of CBAH (together with the merger with the First Merger Sub, the “Merger”). In connection with the closing of the Merger, CBAH changed its name to "Altus Power, Inc." and CBAH Merger Sub II (after merger with Legacy Altus) changed its name to "Altus Power, LLC."

COVID-19

The spike of a novel strain of coronavirus (“COVID-19”) in the first quarter of 2020 caused significant volatility in the U.S. markets that remains ongoing. In response to the COVID-19 pandemic, federal, state, local, and foreign governments put in place, and in the future may again put in place, travel restrictions, quarantines, “stay at home” orders and guidelines, and similar government orders and restrictions, in an attempt to control the spread of the disease. Such restrictions or orders resulted in, and in the future may result in, business closures, work stoppages, slowdowns and delays, among other effects that negatively impacted, and in the future may negatively impact, our operations, as well as the operations of our customers and business partners. In addition, COVID-19 has caused disruptions to the supply chain across the global economy, including within the solar industry, and we are working with our equipment suppliers to minimize disruptions to our operations. Certain suppliers have experienced, and may continue to experience, delays and increased costs related to a variety of factors, including logistical delays and component shortages from upstream vendors. Based on the challenges described above, such as supply chain and logistical delays, such results have had and will continue to have a material adverse effect on our business, operations, financial condition, results of operations, and cash flows.