Swift Current Energy raises US$779 million for Double Black Diamond solar project in Illinois

August 10, 2023
Facebook
Twitter
LinkedIn
Reddit
Email
A render of the Double Black Diamond solar project, showing First Solar Panels and single-axis trackers. Credit: Swift Current Energy

US electric utility Swift Current Energy has closed financing for its 800MWdc/593MWac Double Black Diamond solar project west of the Illinois state capital Springfield, having raised US$779 million in funding.

The latest funding round was led by US bank Truist, and a pair of financial services firms, the Mitsubishi UFJ Financial Group (MUFG) and Société Générale, which are based in Japan and France, respectively. The funding consists of US$695 million in construction and tax equity bridge loans and the establishment of a credit facility worth US$84 million, which could prove vital financial support for a project nearing completion.

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

Swift Current Energy announced that a number of organisations had signed agreements to acquire some of the power that will be produced by the Double Black Diamond project. US energy supplier Constellation will purchase power, as will the city of Chicago, although Swift Current Energy did not specify capacity or financial details of either deal.

While the project’s backers are based around the world, the solar facility’s components have largely been sourced from US manufacturers. Swift Current Energy noted that the “majority” of the project’s 1.6 million solar panels will be manufactured in the US, with domestic suppliers First Solar providing the modules, and Nextracker delivering single-axis solar trackers.

“MUFG is proud to continue our partnership with Swift Current Energy with this new deal,” said Louise Pesce, managing director of project finance at MUFG. “This transaction demonstrates our bank’s commitment to supporting the climate transition economy through offering financing solutions for renewable energy projects. We look forward to working on more renewable energy projects in Swift Current Energy’s pipeline.”

Swift Current Energy began construction of the project in spring this year, and aims to bring the facility online in autumn 2024.

The company’s emphasis on domestic production is clearly influenced by the Inflation Reduction Act, the landmark legislation that has sought to encourage greater domestic investment in solar manufacturing, and has contributed to a massive increase in solar capacity addition this year.

In the second quarter of this year alone, the US solar industry added 2.7GW of new capacity, accounting for 59% of new renewable power additions in the quarter, according to the American Clean Power Association.

Projects such as these could also benefit the Illinois solar sector as a whole, which has struggled to keep up with new solar installations in other states. According to the US Solar Energy Industries Association, Illinois had the eighth-largest solar capacity of any state in 2022, but this has since fallen to 15th-largest this year.

The trade body estimates that Illinois will add 6.5GW of new solar capacity over the next five years, ninth-most in the country, and projects such as Double Black Diamond will help meet these expectations.

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 2027 and beyond.

Read Next

November 13, 2025
US solar hardware manufacturer Create Energy and Swiss cable producer Stäubli have announced a partnership to produce a new solar connector product.
Premium
November 13, 2025
Analysis: The opening of Corning's Michigan wafer plant puts it in a strong position to supply US-made, FEOC-compliant products, while competition from outside remains scarce.
November 13, 2025
US tracker manufacturer FTC Solar has entered into a purchase agreement to acquire the remaining 55% stake in steel manufacturer Alpha Steel.
November 12, 2025
Nextracker has rebranded itself as ‘Nextpower’ to reflect what the company said was its evolution from solar tracker supplier to a “full-platform” provider of integrated energy solutions.
November 12, 2025
Qcells has announced plans to reduce pay and working hours for one-third of its 3,000 employees in the US state of Georgia.
November 12, 2025
US solar installer SunPower has continued its expansion in the residential market with the acquisition of Utah-based residential installer Ambia Solar.

Upcoming Events

Solar Media Events
November 25, 2025
Warsaw, Poland
Solar Media Events
December 2, 2025
Málaga, Spain
Solar Media Events
February 3, 2026
London, UK
Solar Media Events
March 24, 2026
Lisbon, Portugal
Solar Media Events
June 16, 2026
Napa, USA