Solar PV microinverter company Enphase Energy lands $22.5 million in new financing

May 18, 2009
Facebook
Twitter
LinkedIn
Reddit
Email

Photovoltaics microinverter innovator Enphase Energy has landed $22.5 million in new financing. The funding round, which was led by Madrone Capital Partners, also includes new investor Bay Partners as well as existing investors Third Point Ventures, RockPort Capital Partners, and Applied Ventures. Jamie McJunkin, general partner of Madrone, will join the Enphase board.

“We are experiencing exceptional demand for our microinverter systems,” said Paul Nahi, Enphase CEO. “This financing will be used to ramp up manufacturing, accelerate new product development, and expand into new geographic markets.”

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

“The Enphase Energy team has demonstrated extraordinary innovation and execution, and we’re excited to be an investor in a company that is poised to extend its leadership in solar inverters,” said Madrone’s McJunkin. “This capital will give Enphase the resources necessary to further accelerate its growth.”

Enphase says it has already sold tens of thousands of microinverters–which convert the DC output of each solar module into AC power and can be monitored at the module level–into hundreds of residential and commercial installations. Since demand for the devices has been high, the Petaluma, CA-based company has signed sales and distribution agreements with major partners and distributors.

At Greentech Media’s recent solar industry summit, Enphase’s VP of marketing, Raghu Belur, said that the company has gone into volume production with the microinverters, and that the devices have already passed the 15 million unit-hours mark in the field.

Belur also detailed improvements in the second-generation microinverter, which has a 96% efficiency rating, an operating temperature of -40°C to 65°C, better than 99.8% system availability, mean time between failures rated at >300 years, and a smaller footprint than the first-generation device.

He also showed data comparing the microinverter energy harvesting performance against a traditional inverter, with the module-level device providing an average kilowatt-hour energy improvement of 10.7%.

The company claims a system-level internal rate of return gain of 24.5% when the microinverters are deployed, factoring in metrics such as system uptime, performance, and balance of systems/labor costs.

Read Next

May 6, 2026
A report has found measurable improvements in the performance of technologies used for recycling crystalline silicon and thin-film PV modules.
May 6, 2026
US IPP Longroad Energy has started commercial operations at its Sun Pond solar-plus-storage project in the US state of Arizona.
May 6, 2026
Solar PV and wind are now the cheapest power sources globally, with hybrid systems increasingly delivering 24/7 electricity at fossil-competitive costs, according to an IRENA report.
May 6, 2026
Scatec has established an equity partnership with the National Bank of Egypt for its Obelisk 1.1GW solar and 100MW/200MWh BESS project.
May 6, 2026
A faster rollout of solar and storage could cut the operating costs of European energy by 49% by 2030, according to SolarPower Europe.
May 6, 2026
Germany's Fraunhofer ISE has opened a new lab to support the commercialisation of perovskite-silicon PV technology.

Upcoming Events

Solar Media Events
May 20, 2026
Porto, Portugal
Upcoming Webinars
May 27, 2026
9am BST / 10am CEST
Media Partners, Solar Media Events
June 3, 2026
National Exhibition and Convention Center (Shanghai)
Solar Media Events
June 16, 2026
Napa, USA
Media Partners, Solar Media Events
August 25, 2026
São Paulo, Brazil