ADVERTISEABOUT USSUBMIT A STORYSUBSCRIBETERMS OF USEPRIVACY POLICY
Visit our family of Brands

Sunnova assets officially sold as founder launches new Houston energy startup

solar shift

Sunnova has been acquired. And its former CEO has launched a new startup. Photo via sunnova.com

Solaris Assets has completed its acquisition of the majority of Sunnova Energy International’s residential solar assets. Houston-based Sunnova filed for Chapter 11 bankruptcy this summer after piling up billions of dollars in debt.

Meanwhile, Sunnova founder and former CEO John Berger has launched a Houston-based home energy services startup, Otovo USA, which just received more than $4 million in seed funding.

Solaris now owns Sunnova’s residential solar services platform and its solar generation and storage portfolio, along with leases, loans and power purchase agreements. Sunnova’s operations are being shifted to SunStrong Management, an Austin-based asset manager for the renewable energy sector.

“By bringing together SunStrong’s asset management expertise with Sunnova’s nationally scaled customer base, we are creating a stronger, more capable leader in the solar industry,” Brendon Merkley, CEO of SunStrong, said in a news release. “Our priority is to maintain the highest levels of service for customers as we expand our footprint as a premier solar asset servicer.”

In June, Sunnova sold its new-home business to homebuilder Lennar for $15.2 million and sold certain assets to investment firm Atlas SP Partners for $15 million.

As of December, Sunnova’s debt totaled nearly $10.7 billion, Reuters reported. Sunnova faced numerous challenges in its quest to survive, including higher interest rates, the reduction of solar incentives in California, and a shakeup in federal subsidies for renewable energy.

Sunnova filed for Chapter 11 bankruptcy in June. A month later, a bankruptcy judge approved the court-supervised sale of Sunnova. Solaris’ acquisition of Sunnova closed Sept. 3.

As SunStrong absorbs the bulk of Sunnova’s assets, Berger — who quit in March as Sunnova’s CEO — has formed a new business. He’s now the founder and CEO of Otovo USA, a partner of European residential power company Otovo.

Otovo USA offers solar power systems, solar batteries, standby generators, EV chargers, electric-load managers, and other power generation and management systems. Otovo’s AI-supported offerings are now available in Texas; the company plans to expand nationwide.

Otovo USA raised its seed funding from the EIC Rose Rock Venture Fund, which invests in energy startups.

“Otovo USA is here to help the millions of Americans with home energy services that are fed up with the complexities of warranties, juggling multiple vendors, and long repair times,” Berger said. The startup, he added, “is bringing customers what they really need: reliable power and a single partner accountable for keeping it up and running. It’s your power, backed by ours.”

From Your Site Articles
Sunnova Energy International and Tenet Energy will offer special discounts and financing plans. Photo via sunnova.com

Sunnova Energy taps new fintech platform for collaboration

team work

Houston-based Sunnova Energy International, a provider of commercial and residential solar energy services, has teamed up with fintech platform Tenet Energy to help Americans buy electric vehicles and solar power systems.

The two companies will offer special discounts and financing plans to encourage Sunnova customers to switch to electric vehicles purchased through Tenet and Tenet customers to adopt Sunnova’s solar energy systems.

“Our suite of energy solutions — which includes EV chargers — addresses the concerns of higher electricity costs associated with fueling EVs while enabling buyers the convenience of charging from home as they electrify their transportation,” Michael Grasso, executive vice president and chief revenue officer at Sunnova, says in a news release.

The goal of the partnership is to enable homeowners to charge electric vehicles with solar power, which the companies say would lower utility and fuel costs.

“Our mission is to help Americans electrify their lives, starting with their vehicle,” says Alex Liegl, CEO of New York City-based Tenet. “EVs are an excellent way to begin your sustainability journey and save money, but they are also part of a broader energy system that works synergistically with other clean energy home assets like solar.”

Eric Williams has been appointed executive vice president and CFO of Sunnova. Photo via sunnova.com/

Houston solar energy company names new C-level leadership

onboarding

Houston’s Sunnova Energy has named a new member to its C suite.

Eric Williams has been appointed executive vice president and CFO of Sunnova, an industry-leading adaptive energy services company. He brings 20 years of experience with 13 years in the energy industry to the company.

Williams replaces Robert Lane. Lane served as Sunnova's executive vice president and CFO from May 2019 to June 2024.

“I was drawn to Sunnova by its commitment to power energy independence and make clean energy more accessible, reliable, and affordable for homeowners and businesses,” Williams says in a news release. “Building on its unique accomplishments and strong history as an industry leader, I am confident in Sunnova’s ability to create value for all stakeholders and realize its vision for a clean energy future.

"I also count it a privilege to succeed Rob Lane, whose leadership and contributions have been invaluable," he continues. "I am grateful for his help ensuring a seamless and effective transition, and I am eager to begin working with his talented team.”

Prior to taking this position, Williams served as CEO and executive vice president of Diversified Energy Company where he helped establish the company’s asset backed securitization structure and led the issuance of approximately $2 billion in securitized debt.

"Eric’s extensive background in the energy sector and impressive track record in finance and accounting will be invaluable to Sunnova, and we are confident he will be a key driver in our growth and success going forward," William J. (John) Berger, CEO at Sunnova adds. "As a seasoned financial leader with deep experience in leveraging the capital markets, we believe Eric is uniquely positioned to continue building Sunnova’s strong financial framework and create more long-term value for our shareholders.”

Through the new partnership, Sunnova will fold the Lumin Smart Panel energy management platform into its Adaptive Home product. Images via luminsmart.com

Houston solar company taps new tech partner for energy management

teaming up

Houston-based Sunnova Energy International, a provider of renewable energy for homes and businesses, has teamed up with Lumin, a maker of energy management technology, to roll out a new offering to homeowners.

Through the new partnership, Sunnova will fold the Lumin Smart Panel energy management platform into its Adaptive Home product. The partnership is scheduled to kick off in the first quarter of 2024.

Sunnova’s Adaptive Home combines solar power, battery storage, and smart energy management.

Integration of Lumin Smart Panel into Adaptive Home and Lumin’s energy management software into the Sunnova app is designed to give Sunnova customers more control over energy usage. Sunnova has more than 386,000 solar and battery storage customers.

“Lumin’s smart energy management platform provides the ideal combination of performance, compatibility, and affordability that aligns perfectly with Sunnova’s commitment to powering energy independence,” says Michael Grasso, chief revenue officer of Sunnova.

Kelly Warner, CEO of Charlottesville, Virginia-based Lumin, characterizes the partnership with Sunnova as a “no-brainer” and a “game-changer.”

“Most homeowners investing in solar and storage want access to more than two or three loads during a power outage — they want to control what matters most to them,” adds Alex Bazhinov, founder and president of Lumin.

Sunnova is celebrating the Lumin partnership as it settles into its expanded customer service-focused Global Command Center and gears up for the opening of its Adaptive Technology Center.

Solar deals announced — and more trending Houston energy transition news. Photo via Getty Images

Startup raises funds, solar project details revealed, and more trending Houston energy transition news

top stories

Editor's note: It's been a busy news week for energy transition in Houston, and some of this week's headlines resonated with EnergyCapital readers on social media and daily newsletter. Trending news included details on solar projects, an energy tech startup's recent raise, and more.


Houston-based, AI-powered electricity analytics company raises $20M series B

Energy tech platform Amperon raised $20 million. Photo via Amperon.co

A Houston startup has raised $20 million in its latest round of funding in order to accelerate its energy analytics and grid decarbonization technology.

Amperon Holdings Inc. announced today that it closed its series B round at $20 million. Energize Capital led the round and the D. E. Shaw group, Veriten, and HSBC Asset Management, an existing investor, joined in on the round. Additionally, two of Amperon's early customers, Ørsted and another strategic utility partner, participated in the series B, which brought Amperon’s total funding to $30 million.

The fresh funding will support the company in evolving its platform that conducts electricity demand forecasting to a comprehensive data analytics solution. Read more.

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. Read more.

Nonprofit harvests solar energy to serve Houston's food deserts

Sustainable nonprofit Urban Harvest has upgraded to use solar energy. Photo courtesy Andrew Hemingway/Urban Harvest

Houston nonprofit Urban Harvest is plugging into the power of solar energy.

The nonprofit’s Mobile Market program has added a custom-designed, solar-equipped trailer to its fleet. The market provides fresh locally sourced food to “food deserts.”

“By harnessing the sun’s energy, the trailer can become a self-sustaining unit, eliminating reliance on conventional power sources for a substantial period of time,” says Urban Harvest.

The trailer consists of a Ford F150 hybrid truck with a custom-designed trailer that’s equipped with solar power capabilities. The unit enables Urban Harvest to store and transport nearly $5,000 worth of fresh produce and goods to support the Mobile Market program, which serves an average of 1,200 customers each month. Read more.

BP breaks ground​ on Texas solar farm, plans to open it next year

BP's solar park is scheduled to begin operating in the second half of 2024. Photo via bp.com

British energy giant BP, whose U.S. headquarters is in Houston, has started construction on a 187-megawatt solar farm about 10 miles northeast of Corpus Christi.

The Peacock Solar facility will generate power for a nearby chemical complex operated by Gulf Coast Growth Ventures, a joint venture between Spring-based energy company ExxonMobil and SABIC, a Saudi Arabian chemical conglomerate whose products are used to make clothes, food containers, packaging, agricultural film, and construction materials. SABIC’s Americas headquarters is in Houston.

Gulf Coast Growth Ventures opened the plant in 2022. The joint venture says the ethylene cracker and derivatives complex, located northwest of the town of Gregory, employs about 600 people. Read more.

UH Energy names latest winners of commercialization competition

UH's winning team, ECHO, or Electrochemical CO2 Harvester from the Ocean, was awarded a $25,000 award from Chevron. Photo courtesy of UH

UH Energy named its second Innovation Commercialization Competition winners earlier this month with the goal of identifying promising ideas within the university that could have an impact in the energy transition.

The winning team, ECHO, or Electrochemical CO2 Harvester from the Ocean, was awarded a $25,000 award from Chevron, the event's sponsor, after presenting their pitch in front of a live Houston audience earlier this month.

“You don’t see the full impact of a good idea until someone figures out a way to convert it to a usable product or service that has value, brings it to market and makes money off of it—this is what makes it a sustainable business,” S. Radhakrishnan, the competition's coordinator and a retired University of Houston business professor, says. “To have a successful energy transition, we need many innovative ideas to be commercialized.” Read more.

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

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

ray of sunshine

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.

Ad Placement 300x100
Ad Placement 300x600

CultureMap Emails are Awesome

Property Showcase

Houston researchers map data center growth, trends in new interactive platform

data center development

Have you ever wondered why data centers are located where they are?

Energy experts at Rice University’s Center for Energy Studies (CES) have developed a tool to help answer that question.

Rice researchers at the CES, part of Rice’s Baker Institute for Public Policy, have created an interactive map to track data center growth and energy infrastructure in the United States.

Kenneth B. Medlock III, Miaomiao Rimmer, Anmol Mital and Beck Edwards developed the tool, known as the U.S. Data Centers and Infrastructure map. It aims to provide a comprehensive view of the factors shaping where data centers are located, from power and water costs to infrastructure, public policy and local sentiment.

“The map lets you see why data centers are being built where they are by connecting the dots between infrastructure, power costs, water availability, public policy and public sentiment across different regions,” Medlock, senior director at CES, said in a news release. “You can zoom out and look at the whole U.S. to easily realize why data centers locations are being chosen—the price of power and water matters.”

The tool maps information on data center locations against other factors like energy, water, economics and politics. It also shows existing infrastructure in the area, including electric transmission lines, power plants, and fiber-optic networks, and provides information on water stress, electricity prices and natural gas prices.

According to Rice, the map will be updated in real time and currently includes information on existing data centers and proposed data centers.

Additionally, the map provides county-level analyses of news coverage and media to explore local attitudes towards the development of data centers in communities. Users can also explore political and demographic information.

According to the Pew Research Center, most data centers that are being built will appear in rural areas, with Virginia, Texas and Georgia leading the way in the number of planned facilities. Pew’s 2026 findings also noted that 38 percent of Americans live within 5 miles of at least one operational data center.

Meanwhile, Houston and Texas are poised for continued data center growth. Other reports predict that Houston’s data center capacity could more than double by 2028. Texas is home to an estimated 400-plus data centers, according to commercial real estate services provider CBRE.

UH team lands $2.9M DOE grant to develop next-gen magnets with AI

critical minerals

University of Houston researchers are leading an effort to find alternatives to a key element of the U.S. economy.

A UH-led coalition is exploring the use of AI to design and manufacture next-generation permanent magnets for the energy and industrial sectors. The project seeks to develop new, more sustainable magnets that reduce U.S. reliance on vulnerable foreign sources of critical minerals, primarily China.

A nearly $2.9 million grant from the U.S. Department of Energy supports the work.

“Rare earth elements, critical minerals, and magnets are indispensable to American energy, industry, and national security,” Conner Prochaska, director of the Advanced Research Projects Agency–Energy, said in a news release. “These projects will accelerate domestic mineral discovery and develop ultra-powerful magnets to mobilize U.S. critical mineral reserves, safeguard supply chains, and protect American energy and economic interests.”

Over the three-year grant period, principal investigator Jakoah Brgoch, a chemistry professor at UH, will head the Guided AI for Magnetic Boride/Carbide Intermetallic Technologies (GAMBIT) project. Brgosh was one of seven new senior members from UH named to the National Academy of Inventors earlier this year.

Other members of the team include Joshua Bocarsly, an assistant professor in the UH chemistry department; scientists at Rice University; and Houston-based startup Newfound Materials, which occupies space at Greentown Labs.

The UH-led team aims to surpass the properties of neodymium iron boron, the current industry-standard material for high-performance permanent magnets. These magnets are vital components in electric vehicles, industrial motors, generators, electronics and other advanced technologies.

“Strong magnets are used all over our economy. For example, many modern air-conditioning systems rely on permanent-magnet motors to drive compressors and blower fans,” Brgoch said.

“This has been a longstanding challenge to think about how we replace these magnets with high-performing and more reliable materials, and optimization by just replacing elements is not working,” Brgoch added. “Our goal is to use AI to find entirely new materials while simultaneously balancing these supply constraint concerns.”

The research team will work on discovering and testing potential magnet replacements. According to UH, the project’s ultimate goal is to commercialize the magnets through a new startup or by expanding Newfound Materials’ business units. The local startup has developed a predictive engine for materials research and development.

10 can't-miss events at Houston Energy and Climate Week 2026

where to be

Editor's note: Houston Energy and Climate Week returns for its third year, Sept. 12–18, with panels, happy hours, pitch days and tours focused on the energy transition.

The Ion District will host many of the week's events. Here are details on some can't-miss, signature events and how to register. Find the full schedule here. Please note: this article may be updated to add more events.

Sept. 13 — The & Awards

Kick off the week by celebrating Houston honorees leading the future of energy at the & Awards. The & Awards will honor Zay Zeidman, chairman of Houston First and managing partner of Altitude Ventures; The University of Houston's Renu Khator and Ramanan Krishnamoorti; Maryanne Maldonado, CEO of the World Affairs Council; and Fervo Energy co-founders Tim Latimer (CEO) and Jack Norbeck (CTO). The inaugural posthumous Lifetime Ambassador Award will honor former Houston Mayor Sylvester Turner, and this year’s Allies in Energy grant recipients will also be recognized. The evening will include a fireside chat, an immersive gallery, live music, passed hors d'oeuvres, Champagne and plenty of networking opportunities.

This event is Sunday, Sept. 13, from 6-9 p.m. at ARTECHOUSE Houston. Register here.

Sept. 14 — Brews on the Bayou

Head to Saint Arnold Brewery for a more laid-back kickoff event. Grab a beer and take in a live conversation with Paul Hobby, managing director of Genesis Park, and Katie Mehnert, CEO of The Bee Suite and co-founder of HECW. Rice University's Aaron Pomerantz will moderate the discussion. Then hear a live performance from AY Young.

This event is Monday, Sept. 14, from 6-9 p.m. at Saint Arnold Brewery. Register here.

Sept. 14–18 — Sip For Sustainability

Enjoy a signature cocktail at five H Town Restaurant Group spots each night of Houston Energy and Climate Week. A portion of every purchase will go toward Allies in Energy, which supports education, collaboration, and community programs that drive a more sustainable future. Participating eateries include Hugo's, Xochi, Uber, Zaranda and Caracol.

These events begin Monday, Sept. 14, from 3-5 p.m. Find more information on each day's happy hour here.

Sept. 15 — HTX Tech Tours

HECW will present two Tech Tours this year, offering attendees a closer look at the region's climatech scene. The Metro Innovation Tour & Market will visit Sugar Land Town Square, Shell Technology Center Houston, SLB West Houston Campus, University of Houston at Sugar Land, Ambrosia Space, NanoTech Materials and Syzygy Plasmonics. The Bay City South Innovation Tour will visit Sugar Land Town Square and Erthos Project Bravo in Matagorda County. Both tours will head to Astros Night at Daikin Park to wrap up the day.

These events are Tuesday, Sept. 15. Find more information here.

Sept. 15 — Meet the Activate Houston Cohort 2026 Fellows

Meet Activate's latest cohort, which was named this summer, and learn more about their hardtech and climate-focused solutions. Also meet founders from the organization’s 2025 cohort during Houston Energy and Climate Startup Week.

This event is Tuesday, Sept. 15, from 5-7 p.m. at the Ion. Register here.

Sept. 15 – Cypher Pilotathon and Startup Showcase

Grab coffee and take in keynotes and panels featuring leaders from Amperon, Aramco Ventures, New Climate Ventures, Syzygy Plasmonics and many others during this signature event, this year under the theme “The NEW Energy Industrial Revolution.” After lunch, hear pitches from 31 ventures during the Pilotathon. This year's event will also feature a startup showcase with interactive booths where attendees can meet founders and see demonstrations, plus an industry hub where corporates and investors can engage with emerging technologies and identify the pilots they want to move forward with.

This event is Tuesday, Sept. 15, from 9 a.m.-5 p.m. at POST Houston. Get tickets here.

Sept. 15 — Houston Astros Energy Night

Catch a game and chat with fellow clean energy enthusiasts during Houston Astros Energy Night. The 'Stros take on the Kansas City Royals. A bonus? Dollar Hot Dog Night at Daikin Park.

This event is Tuesday, Sept. 15, starting at 7:10 p.m. at Daikin Park. Get tickets here.

Sept. 16 — Greentown Labs Climatech Summit

Entrepreneurs, investors, corporate leaders, policymakers and philanthropists will head to Houston this month for the annual Greentown Climatetech Summit. Hear from Greentown CEO Georgina Campbell Flatter and keynote speaker Tim Latimer, CEO and co-founder of Houston geothermal unicorn Fervo Energy, plus numerous other engaging panels at the Ion. Then head to Greentown Labs for an open house and startup showcase, where attendees can meet some of the climatech incubators' members, before taking in the startup pitch competition followed by happy hour over at the Continental Club.

This event is Wednesday, Sept. 16, from 8 a.m.–9 p.m. at multiple locations. Register here.

Sept. 17 — Rice Alliance Energy Tech Venture Forum

Hear from clean energy startups from around the world at the 23rd annual Energy Tech Venture Forum. In addition to the pitches, this event will also host keynotes from Sean Maher, chief economist at Phillips 66, and Ira Ehrenpreis, founder and managing partner of DBL Partner. Panels will focus on technologies, infrastructure and commercialization strategies needed to deploy breakthrough innovations at scale. Following the event, the Rice Alliance will also name its annual “Most Promising” startup.

This event is Thursday, Sept. 17, from 7:30 a.m.-5 p.m. at Rice University’s Jones Graduate School of Business. Register here.

Sept. 18 — Halliburton Labs Finalists Pitch Day

Hear from Halliburton Labs' latest cohort of entrepreneurs. The incubator aims to advance the companies’ commercialization with support from Halliburton's network, facilities and financing opportunities. Its latest cohort includes one company from Texas.

This event is Friday, Sept. 18, from 8 a.m.-noon at The Ion. Register here.

View All Listings