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Power-One

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Designs and manufactures energy-efficient power conversion and power management solutions

Camarillo, United StatesFounded 1973Energy
Valuation $250–500M Last recorded · 2009
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Power-One and the history behind them.

About Power-One

In 1973, a company that would become a key player in the power conversion space was founded in California. Initially established as Power CA, the business focused on making AC/DC power supplies. The journey toward becoming an independent entity began with a management buyout in 1995, led by Steven J. Goldman and backed by the Stephens Group investment firm. This move set the stage for significant growth. A pivotal moment arrived in 1997 when Power-One went public with an initial public offering (IPO), providing capital to fuel its expansion plans. The company initially concentrated on the telecommunications industry, a strategy that paid off with revenues more than doubling in 1999. As the new millennium progressed, Power-One recognized another booming market: renewable energy. The company pivoted to become a leading manufacturer of solar inverters, which are crucial components for converting solar energy into usable electricity. This strategic shift established Power-One as the second-largest player in the global solar inverter market. The company's success and strong market position attracted the attention of a major industrial player. In 2013, the Swiss engineering giant ABB acquired Power-One for approximately $1 billion in an all-cash deal. The acquisition was part of ABB's strategy to become a global leader in solar inverters, a market forecasted for significant growth. Following the acquisition, the Power-One brand was integrated into ABB, marking the end of its journey as an independent company but cementing its legacy within a global technology powerhouse.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
1973
Headquarters
Camarillo, United States
Employees
18
Open positions
None listed
Dealroom signal
43.3/100
Industry
Energy
Sector
Energy
Client focus
b2b
Investment activity
1 company, latest Oct 2010
Capital deployed
—
Preferred round
ACQUISITION

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONOther financing Apr 2014 $0 — Bel Fuse —
LATE VCOther financing May 2009 $60M $240M Undisclosed —
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Growth signals

Power-One website traffic

Latest recorded traffic for Power-One is 350 monthly website visits, down 73.1% over the last three months. Power-One's team grew 157.1% over the past year.

Latest monthly visits350 3-month web change-73.1% 1-year team growth+157.1%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

3 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Other known investors3 additional known investors

Employees 18 total headcount
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇧🇷 Brazil100%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Power-One on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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