Active

LS Power

Investor type

PE

Founded

1990

AUM

$19 800 M

Location

New York, New York, United States

Investment Ticket

$100+ m

Investment Stage

Late Stage (Series C+)

Region of investment

North America
Investor profile last updated: 07 October, 2026

Profile

LS Power is a private equity energy investor based in New York, established in 1990. The firm was founded to create innovative pathways and solutions in the power and energy sector. Led by CEO Paul Segal, LS Power consists of a team that leverages hands-on development and operational experience across the industry. They are known for solving complex energy challenges and improving energy infrastructure, with a focus on anticipating the evolving needs of the U.S. power system.

LS Power invests in sectors such as renewable energy, conventional power generation, energy storage, and distributed energy resources. The firm primarily operates in North America, making investments in infrastructure that span various electricity markets. Their investment vehicles have attracted commitments from a wide range of investors, including pension funds, insurance companies, and sovereign wealth funds. Their notable funds include Fund V and Fund VI, with a combined AUM of approximately $19.8 billion.

Notable investments by LS Power include significant asset acquisitions from Constellation Energy, which will form a 5 GW gas-fired generation platform across the Mid-Atlantic PJM and ERCOT markets. The firm is known for its strategic investments in critical energy infrastructure that provide reliable and affordable power solutions.

Industry

CleanTech Energy Infrastructure Utilities

LS Power Funds

Name Type
Questionare
Industry
Questionare
Stage
Questionare
Region
Size AUM Launch date
LS Power Equity Partners VI
Private Equity (PE)
Infrastructure
Energy
CleanTech
Late Stage (Series C+)
North America
$100+ m
—
October 2026

Contacts

Name
Title
Email
avatar
Mike Segal Founder & Chairman
Founder & Chairman
m•••@•••
avatar
Paul Segal Chief Executive Officer
Chief Executive Officer
p•••@•••
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Investment-team contacts for LS Power — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about LS Power

LS Power is a private equity firm. It backs companies at Late Stage (Series C+), writing tickets of $100+ m.
LS Power is located in New York, New York, United States.
LS Power was founded in 1990.
LS Power invests in companies and startups in CleanTech, Energy, Infrastructure, Utilities.
LS Power invests in companies and startups in North America.
LS Power invests in companies and startups at Late Stage (Series C+).
LS Power usually invests $100+ m on average.
LS Power has around $19 800m assets under management.
LS Power last fund was created/launched in 2026-10-07
LS Power can be reached through its website lspower.com, its LinkedIn page and its X account. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for LS Power — 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.
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 LS Power directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
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 07 October, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.