How many acquisitions has ArcLight made so far?

ArcLight has completed 15 acquisitions so far, with an average acquisition amount of $1.1B.

Which countries does ArcLight usually acquire in?

ArcLight has made acquisitions in 3 countries with the most activity in United States and Spain.

In which year did ArcLight make the most acquisitions?

ArcLight was most active in 2006, with 3 acquisitions completed in that year.

List of 15 Acquisitions by ArcLight (Jul 2026)

Q: Which is ArcLight's latest acquisition?

ArcLight's most recent acquisition is Advanced Power, a Developer and manager of low-carbon energy generation projects, acquired in July 2025.

Most viewed in 2019

ArcLight has made a total of 15 acquisitions. These transactions span 3 countries (United States, Spain, and Switzerland) and 5 sectors, including Oil & Gas Midstream, Construction Contractors, and Oil & Gas Upstream. Peak activity occurred in 2006 with 3 transactions, followed by 2018 and 2015 with 2 transactions each. The average number of acquisitions per year between 2020 and 2025 is 0.6, with 0 acquisitions completed in the current calendar year. The most recent acquisition, completed in July 2025, is Advanced Power, a developer and manager of low-carbon energy projects in Switzerland.

Here's the year on year acquisition history of ArcLight:

Number of Total Acquisitions

Year	# Acquisitions
2025	1
2024	1
2023	1
2020	1
2018	2
2017	1
2015	2
2014	1
2007	1
2006	3

View all Acquisitions by ArcLight

Recent acquisitions by ArcLight

ArcLight's most recent acquisition - Advanced Power is a Developer and manager of low-carbon energy generation projects. ArcLight acquired it in July 2025 for a price of $*****.

Here is the list of all acquisitions by ArcLight sorted by the latest acquisition date:

Acquired on	Acquired Company	Acquisition Price	Facilitators	Stake Acquired	Acquisition Multiple
Jul 24, 2025	Advanced Power	qt{h	cpff	17	746
Feb 20, 2024	Lordstown Energy Center	rugf	axmf	10	917
Nov 06, 2023	Kleen Energy Systems	{mva	ydfh	55	899
Feb 26, 2020	Griffith Energy Services	rfmq	hdxp	62	808
Aug 01, 2018	Midcoast Energy	orwk	xg{q	41	990