ray of sunshine

DOE loans Houston company $3B for project that will provide solar energy to underserved communities

Houston-based Sunnova Energy has secured a loan from the Department of Energy. Photo via sunnova.com

A partial loan guarantee from the U.S. Department of Energy will support more than $5 billion in loans for Sunnova Energy equipment and technology that’ll supply solar energy to underserved communities.

The $3 billion partial loan guarantee equates to a 90 percent guarantee of up to $3.3 billion in loans. In turn, Sunnova says, that’ll support more than $5 billion in loans to about 75,000 to 115,000 U.S. households. It’s said to be the largest single commitment to solar power ever made by the federal government.

At least 20 percent of the Project Hestia loans will be extended to customers with FICO credit scores of 680 or less, and up to 20 percent of the loans will be earmarked for homeowners in impoverished Puerto Rico.

The Department of Energy (DOE) says Sunnova’s Project Hestia — a virtual power plant — will provide rooftop solar, battery storage, and energy software to residential customers and create more than 3,400 jobs. Sunnova, an energy-as-a-service provider, says each residential power system will feature energy technology accessible by smartphones and other electronic devices.

“The software will give customers insight into their household’s energy usage and greenhouse gas emissions, allowing customers to reduce electricity use — or even contribute electricity to the system in markets that allow such contributions — when the grid is under stress,” says DOE.

The estimated 568-megawatt Project Hestia is poised to help avoid the emission of more than 7.1 metric tons of carbon dioxide over the next 25 years, DOE says. The project will produce enough energy to power roughly 425,000 homes per year.

John Berger, CEO of Sunnova, says the federal loan guarantee “marks the beginning of an exciting chapter in our pursuit of a cleaner and more equitable energy landscape. With our collaboration with the U.S. Department of Energy, we are embarking on a journey that expands clean energy access and delivers economic benefit to Americans in disadvantaged communities.”

As of June 30, Sunnova had 348,600 customers in the U.S., up from 279,400 at the end of 2022. The company projects a 40 percent rate of customer growth in 2024 compared with 2023.

The publicly traded company posted revenue of $328.1 million in the first half of 2023, up from $212.7 million during the same period last year.

Last month, in an interview with EnergyCapital, Berger explained misconceptions about solar power, predicted the rise of the home as a power station, and highlighted the importance of energy independence.

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A View From HETI

Vema Hydrogen plans to launch an "orange hydrogen" plant in Canada. Photo courtesy Vema Hydrogen

Houston-based cleantech startup Vema Hydrogen has reached a tentative agreement with Canada-based CHARBONE Corp. to develop a hydrogen production and processing plant in Québec.

The deal would couple Vema’s production of engineered mineral hydrogen with CHARBONE’s purification, compression and distribution capabilities.

Engineered mineral hydrogen, also known as orange hydrogen, is produced underground by accelerating naturally occurring geochemical reactions in iron-rich rock formations, according to the journal Energy & Environmental Science.

“Across high-value markets — from aviation and maritime fuels to industrial gases — there is incredible demand for Vema’s low-carbon [hydrogen]. Now, more than ever, we need a pathway to deliver these low-carbon fuels,” Pierre Levin, CEO of Vema, said in a news release.

The project would enable Vema to expand into emerging markets like low-carbon maritime and aviation fuel, e-fuels and power generation. Incorporating CHARBONE’s capabilities, the agreement would also support Québec’s hydrogen supply chain.

“The market is demanding high-value industrial gases, and our customers need cleaner, more reliable supply. By pairing Vema’s [hydrogen] feedstock with our purification and distribution capabilities, we’re strengthening Québec’s position as a regional hub for next-generation hydrogen,” Dave Gagnon, CEO of CHARBONE, added in the release.

Vema said in February that it had completed drilling of its first two pilot wells in Québec, making them the world’s first pilot well for orange hydrogen. It’s the first time Vema’s technology has been used outside a lab.

“This pilot will provide the critical data needed to validate [our hydrogen] at commercial scale and demonstrate that Quebec can lead the world in this emerging clean energy category,” Levin said. “The quality of the rock within our core samples is exactly what we expected and is very promising for hydrogen yields.”

Shortly before Vema carried out the pilot drilling, it signed a 10-year deal with California-based energy technology company Verne Power to supply clean hydrogen for California data centers. Over the course of the 10-year agreement, Vema will boost annual production of orange hydrogen to more than 36,000 metric tons.

“There is a robust market for baseload power generation across the U.S., where data centers are straining the grid,” Levin said. “As we power California’s fastest-growing markets with clean hydrogen, we look toward expanding our hydrogen to markets globally and supporting AI-driven power hubs.”

Vema, founded two years ago, raised $13 million in seed funding in 2025.

“The energy transition and emerging uses of hydrogen have spurred demand for clean hydrogen,” Levin said in its funding announcement. “However, existing decarbonized hydrogen production methods simply don’t work — they are too costly and energy-intensive. Vema is here to change that. It’s time to unlock a new era of scalable, low-carbon hydrogen.”

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