ArcLight Capital
General contacts
Investor type
PE
Founded
2001
AUM
$9 500 M
Location
Boston, Massachusetts, United States
Investor profile last updated: 08 February, 2026
Profile
ArcLight is a leading infrastructure investor which has been investing in critical electrification infrastructure since its founding in 2001. ArcLight has owned, controlled or operated over ~65 GW of assets and 47,000 miles of electric and gas transmission and storage infrastructure representing $80 billion of enterprise value. ArcLight has a long and proven track record of value-added investing across its core investment sectors including power, hydro, solar, wind, battery storage, electric transmission and natural gas transmission and storage infrastructure to support the growing need for power, reliability, security, and sustainability. ArcLight's team employs an operationally intensive investment approach that benefits from its dedicated in-house strategic, technical, operational, and commercial specialists, as well as the firm's ~1,900-person asset management partner.
Industry
ArcLight Capital Funds
| Name | Type |
|
|
|
Size | AUM | Launch date |
|---|---|---|---|---|---|---|---|
|
ArcLight Energy Partners Fund III
|
Private Equity (PE)
|
Financial Services
Fintech
Marketing and Advertising
Transportation
Energy
CleanTech
|
Series B
Late Stage (Series C+)
|
North America
Europe
|
$5-10 m
|
$2100 M
|
June 2006
|
|
ArcLight Energy Partners Fund IV LP.
|
Private Equity (PE)
|
Financial Services
Fintech
Marketing and Advertising
Energy
CleanTech
|
Series B
Late Stage (Series C+)
|
North America
Europe
|
$5-10 m
|
$2100 M
|
June 2007
|
|
ArcLight Energy Partners Fund V, L.P.
|
Private Equity (PE)
|
Marketing and Advertising
Transportation
Energy
CleanTech
|
Series B
Late Stage (Series C+)
|
North America
Europe
|
$5-10 m
|
$3300 M
|
November 2011
|
|
ArcLight Energy Partners Fund VII
|
Private Equity (PE)
|
Fintech
Transportation
Energy
CleanTech
|
Series B
Late Stage (Series C+)
|
North America
Europe
|
$5-10 m
|
$3400 M
|
February 2020
|
|
ArcLight Energy Partners Fund VI, L.P.
|
Private Equity (PE)
|
Financial Services
Fintech
Marketing and Advertising
Media and Entertainment
Transportation
Energy
|
Series B
Late Stage (Series C+)
|
North America
|
$5-10 m
|
$5600 M
|
November 2014
|
|
ArcLight Renewable Infrastructure Fund SM SPV
|
Fund of funds
|
Financial Services
Fintech
Marketing and Advertising
Transportation
Energy
|
Seed
Series A
Series B
|
North America
|
$5-10 m
|
—
|
July 2021
|
|
ArcLight Energy Infrastructure Fund VII
|
Private Equity (PE)
|
Marketing and Advertising
Media and Entertainment
Transportation
Technology
Energy
|
Series B
Late Stage (Series C+)
|
North America
|
$5-10 m
|
$407 M
|
January 2023
|
Contacts
Name
Title
Email
Social Networks
Investment-team contacts for ArcLight Capital — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
Instant access on the web. Plans from $129/month — see pricing.
Instant access on the web. Plans from $129/month — see pricing.
Contacts sourced from the firm's website and LinkedIn, re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
FAQs about ArcLight Capital
Is ArcLight Capital a venture capital or private equity firm?
ArcLight Capital is a private equity firm. It backs companies at Series B and Late Stage (Series C+), writing tickets of $10-50 m.
Where is ArcLight Capital located?
ArcLight Capital is located in Boston, Massachusetts, United States.
When was ArcLight Capital founded?
ArcLight Capital was founded in 2001.
What sectors and industries does ArcLight Capital invest in?
ArcLight Capital invests in companies and startups in Financial Services, Fintech, Marketing and Advertising, Transportation, Energy, CleanTech, Media and Entertainment, Technology.
What is ArcLight Capital geographical focus of investments?
ArcLight Capital invests in companies and startups in North America, Europe.
At what stages of companies and startups does ArcLight Capital typically invest in?
ArcLight Capital invests in companies and startups at Series B, Late Stage (Series C+).
What is the usual amount of ArcLight Capital investment?
ArcLight Capital usually invests $10-50 m on average.
What is the amount of assets of under management (AUM) for ArcLight Capital?
ArcLight Capital has around $9 500m assets under management.
When was ArcLight Capital last fund created?
ArcLight Capital last fund was created/launched in 2023-01-10
What are the contacts of ArcLight Capital?
ArcLight Capital can be reached through its website arclight.com and its LinkedIn page. Its general enquiries address is info@arclight.com. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for ArcLight Capital — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Can I access ArcLight Capital data via API or MCP?
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query ArcLight Capital directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
When was the ArcLight Capital profile last updated?
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 08 February, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.