Feb 27, 2018 – – Richard Metcalf


An experienced senior project finance professional has joined a commercial solar platform in California as chief financial officer.

Frederick Vaske started as cfo at OnSwitch in San Francisco on Feb. 26, joining several former colleagues he worked alongside at SunPower Corp. and Hanwha Q Cells.

OnSwitch has developed solar projects for corporations including PepsiCo and also works with public agencies and non-profits. The company offers battery storage and electric vehicle charging in addition to solar arrays.

The company links customers up with financing options including direct ownership, electricity service agreements, power purchase agreements, loans, leases and the Property Assessed Clean Energy program, according to its website.


Vaske has held prominent positions in project and structured finance at many of the major players in solar finance and development on the West Coast over the past decade.

Besides SunPower and Hanwha, he has worked at Recurrent Energy, Scatec Solar, 8minutenergy Renewables and, most recently, EnSync Energy Systems.

His new employer, OnSwitch, was founded in 2014 by two of his former SunPower and Hanwha colleagues, Mark Bronez and Vijay Ananthakrishnan, and employs several other SunPower and Hanwha alumni.

Bronez, who is ceo of OnSwitch, worked at SunPower and PowerLight Corp., the U.S. developer it acquired in 2006, for 13 years from 1999 to 2012, becoming the company’s vice president and general manager for North America systems.

Vaske joined SunPower in 2007, during Bronez’ tenure, becoming director of structured finance and business development before leaving to establish and lead Recurrent Energy’s project finance group in 2009.

Vaske rejoined Bronez, Ananthakrishnan and several other former SunPower employees in 2012 when he moved to Hanwha Q Cells USA Corp. as vice president of project finance.

Stints as vice president of structured or project finance at Scatec, 8minutenergy and EnSync followed his departure from Hanwha in 2014. His most recent position was chief administrative officer at EnSync.


Distributed energy developer Ensync announced that William Dallapiazza, who had served as its interim vice president of finance since July of last year, would take over as chief financial officer on Feb. 12 in conjunction with Vaske’s resignation.

“We’d also like to thank Fred Vaske for his contribution to the company, including helping us develop the structured finance role and building the overall finance and accounting roles in the company,” said Brad Hansen, ceo and president of EnSync, in a statement.

Simms Duncan is vice president of structured finance at EnSync, having joined from Hanwha in 2016.


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