Longroad breaks ground on 152MWdc Maine PV project featuring First Solar modules, Nextracker trackers

Facebook
Twitter
LinkedIn
Reddit
Email
Longroad Energy’s Monmouth solar project. Image: Longroad Energy.

US renewable energy developer Longroad Energy has commenced construction on the 152MWdc Three Corners solar project in Maine. Upon completion, it is expected to be the largest solar PV project in the state.

EDF Renewables has agreed a long-term power purchase agreement (PPA) for the entirety of the output from the Three Corners project, to supply its corporate customers in New England. It’s the largest corporate PPA signed in the New England power grid to date.

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 US$200 million project will also supply capacity to the ISO-New England system, the non-profit organisation that manages the operation of New England’s grid and transmission network.

Three Corners will use First Solar’s Series 6 modules, Nextracker’s single-axis tracker technology and Power Electronics inverters.

“US$200 million projects do not come along every day in Maine,” said Matt Keans, chief development officer for Longroad Energy. “This project will be an important resource for Maine to help meet its clean energy objectives and will deliver significant economic benefits to Kennebec County and the region.”

The project was financed by KeyBank and US Bank. Both acted as lenders, whilst US Bank was sole tax equity investor.

“US Bank has worked with Longroad Energy on four prior tax equity investments, and we’re excited to expand our support as lender as well on this project,” said Colin Witherspoon, business development officer with US Bancorp.

In August, Longroad Energy received a US$500 million investment to shift its business model to owning renewables projects, rather than its previous develop-to-sale model. It also said the investment would allow it to scale its 1.5GW solar portfolio to over 8.5GW of solar, storage and wind in the next five years.

In June, the company made an equity investment in distributed generation developer Valta Energy.

16 June 2026
Napa, USA
PV Tech has been running PV ModuleTech Conferences since 2017. PV ModuleTech USA, on 16-17 June 2026, will be our fifth PV ModulelTech conference dedicated to the U.S. utility scale solar sector. The event will gather the key stakeholders from solar developers, solar asset owners and investors, PV manufacturing, policy-making and and all interested downstream channels and third-party entities. The goal is simple: to map out the PV module supply channels to the U.S. out to 2028 and beyond.
13 October 2026
San Francisco Bay Area, USA
PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 13-14 October 2026 is our third PV CellTech conference dedicated to the U.S. manufacturing sector. The events in 2023, 2024 and 2025 were a sell out success and 2026 will once again gather the key stakeholders from PV manufacturing, equipment/materials, policy-making and strategy, capital equipment investment and all interested downstream channels and third-party entities. The goal is simple: to map out PV manufacturing in the U.S. out to 2030 and beyond.

Read Next

May 13, 2026
US solar manufacturer T1 Energy has registered a record quarterly net income and adjusted EBITDA in the first quarter of 2026.
May 13, 2026
RWE has commissioned its 273.6MW Emily Solar project in Illinois, taking the developer’s operating renergy portfolio in the state to 1GW. 
May 13, 2026
J&V Energy is acquiring a 187MW portfolio of operational solar assets in Taiwan from a fund managed by Global Infrastructure Partners.
May 13, 2026
Meta has signed PPAs totalling 850MW with IPP DESRI, covering solar and battery storage projects across Oklahoma, Texas and Mississippi. 
May 13, 2026
A coalition of US solar manufacturers has filed a formal request with the US Department of Commerce to initiate an anti-circumvention inquiry into c-Si PV cells and modules assembled in Ethiopia using Chinese-origin components.
May 13, 2026
Solar PV project performance in the US can be significantly impacted by the impacts of hailstorms, stowing methods and fire.

Upcoming Events

Solar Media Events
May 20, 2026
Porto, Portugal
Upcoming Webinars
May 27, 2026
9am BST / 10am CEST
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