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Eric W. Macaux


[email protected]



Eric advises energy project sponsors, developers, and investors on a wide variety of transactions, including debt and equity financing and mergers and acquisitions. In addition to his financing experience, Eric has extensive experience with power purchase agreements, net metering credit purchase agreements, state REC contracts, and other key project documents. His project experience spans a variety of assets, including solar, wind, hydropower, biogas, and energy storage. Eric also advises cutting-edge energy generation, energy storage, and water technology clients preparing for commercial and pre-commercial deployment. He has also advised public and private companies on establishing and implementing sustainability and energy goals.

Before joining Mintz, Eric held senior positions at the Massachusetts Clean Energy Center (MassCEC), where he served as General Counsel and Senior Director for Strategy, advising the MassCEC board and other senior management on all aspects of governance, compliance, disputes, employment matters, confidentiality, and legislative and policy developments.


  • Georgetown University (JD)
  • Washington University (BA, summa cum laude)


  • Led a $67 million back-leverage refinancing and tax equity buy-out of a solar portfolio spanning approximately 35 sites in 3 states.
  • Represented growth-stage solar developer on over 10 project financings for distributed-scale PV.
  • Corporate and project counsel to growth-phase water technology company, including corporate restructuring for domestic and international commercial deployment.
  • Buyer’s counsel on the acquisition and Series A financing of an alternative fuels and alternative chemicals business.
  • Advised a national solar developer on the acquisition and development of solar projects and project portfolios in Massachusetts and North Carolina.
  • On behalf of a prominent solar developer and yieldco, negotiated a $40 million asset-based collateral package supporting multiple SREC offtake agreements.
  • Represented a clean energy–focused private equity fund on multiple project financings, including equipment, construction, and revolving debt for solar, biogas, and biofuel projects in California and North Carolina.
  • On behalf of a biogas developer, negotiated term financing for a 4.5 MW landfill gas-to-energy project in Washington, and negotiated key project documents, including PPAs, REC agreements, and O&M contract.
  • Lead counsel to the developer of North America’s first marine commerce terminal purpose-built to support offshore wind projects.
  • Negotiated the EPC agreement for the Wind Technology Testing Center, North America’s largest wind blade test facility, as well as multiple testing services contracts with leading wind blade manufacturers.

Recognition & Awards

  • Included on the Massachusetts Super Lawyers list: Rising Star – Securities & Corporate Finance (2016 – 2017)
  • Hyman Meltzer Memorial Award for Excellence in Research, Washington University
  • Phi Beta Kappa


  • Judge, MIT Clean Energy Prize: Renewable Energy Track Grand Finals (2016)
  • Steering Committee, Boston Bar Association Energy and Telecommunications Sub Committee

Recent Insights

News & Press



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MassCEC Upcoming Programs

September 27, 2019 | Blog | By Sahir Surmeli, Eric Macaux

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Mintz Continues to Expand Project Development & Finance Team

June 7, 2019 | Article | By Thomas R. Burton, III, Sahir Surmeli

Mintz Continues to Expand Project Development & Finance Team
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In May, Mintz Levin client Axiom Exergy closed an impressive $7.6 million Series A round to scale its cold-storage device for grocery stores, bringing its total fundraising to $12.5 million.
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Following months of speculation, on January 23, 2018, the Trump Administration issued a Proclamation announcing new tariffs on imported solar cells and modules (the “Solar Tariff”) in response to the Section 201 petition brought by Suniva and SolarWorld Americas.
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As Sponsors of MIT’s Energy Venture Alumni Event, celebrating the past 10 years, Mintz’s attorneys are taking this opportunity to countdown the top 10 moments in energy which they feel impacted the industry and their practice.
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Trends and Tips – Tax Equity for Mid-Market Energy Projects

November 1, 2016 | Blog | By Eric Macaux

Last week’s “Financing Renewable Energy” tax credit conference, by Novogradac and Company, affirmed some market trends that we have seen in recent project finance deals.
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News & Press

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Mintz Member Eric Macaux was quoted in an article published by Law360 on keys to submitting winning clean energy project bids, including the importance of the ability to secure any necessary permits.
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An article published by Greentech Media included insights from Mintz Member and Chair of the firm’s Energy & Sustainability Practice Tom Burton and Member Eric Macaux on M&A activity in the U.S. solar industry during the first half of 2020.
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Mintz Member and Chair of the firm’s Energy & Sustainability Practice Tom Burton and Member Eric Macaux were quoted in an article published by Law360 on disputes related to the New England Clean Energy Connect project, an effort to build a $1 billion power line to ship Canadian hydroelectricity to Massachusetts.
An August 27 article published by American Banker examined a heightened interest in investing in renewable energy from Fifth Third Bancorp, as well as other big banks and regional and community banks. The article included commentary from Mintz Member and Chair of the Project Development & Finance Practice Audrey Louison and Mintz Member Eric Macaux.
Fifty-three Mintz attorneys have been named Massachusetts Super Lawyers for 2016 and thirty-one have been named Massachusetts Rising Stars. The findings will be published in the November 2016 issue of Boston Magazine and in a stand-alone magazine, New England Super Lawyers. 
Mintz attorneys represented Greentech Media, Inc. in its sale to Verisk Analytics, Inc., a leading data analytics provider. Greentech Media is an industry-leading information services provider for the next-generation electricity and renewables sector.



Cleantech San Diego Member Webinar with Mintz

Trends in Energy Generation and Energy Storage amid COVID-19

This is an online event.

Webinar Reference Image

Party on the Patio with Mintz

At the Solar Power Summit - March 18

Omni La Costa Resort & Spa | VUE Restaurant Patio


Power & Renewables Summit 2019

Greentech Media

AT&T Executive Education & Conference Center, 1900 University Ave., Austin, TX



Boston Convention & Exhibition Center, 415 Summer St., Boston, MA


Northeast Solar & Storage Forum

Greentech Media

Convene Boston, 201 Washington St, 2nd Floor, Boston, MA


Where Real Estate and Cleantech Trends Converge

NECEC's Emerging Trends Series

Mintz, One Financial Center, Boston, MA


Getting Savvy on Series A Financings

Venture Café

Cambridge, MA


Keynote: US Power Sector & Project Finance


Hyatt Regency Boston, MA