Solar power and storage help save Texans millions on electric bills, CEO tells Senate

price stability

A recent testimony before a U.S. Senate committee shows how solar power and battery storage are helping keep Texas electricity prices more stable, even as demand surges.Photo via SEIA.org.

Solar power and battery storage are saving Texans hundreds of millions of dollars on their electric bills, the president and CEO of the Solar Energy Industries Association recently told a congressional committee.

Abigail Ross Hopper, the association’s president and CEO, said in testimony given to the U.S. Senate Environment and Public Works Committee that states like Texas that are adding significant capacity for solar power and battery storage are enjoying lower, more stable prices for electricity.

“Unsubsidized solar is now the cheapest source of electricity in history in much of the country,” Hopper said. “With no fuel costs, solar provides a hedge against natural gas price volatility that continues to cause electricity price spikes.”

“The only way to put downward pressure on prices is by bringing more power online, not less,” she added.

To illustrate the value of solar power and battery storage, Hopper compared two hot summer days in Texas—one in July 2022 and the other in July 2025.

Hopper explained that the Electric Reliability Council of Texas (ERCOT) had begun installing solar on its grid in 2022 but had very little battery storage. ERCOT manages 90 percent of the state’s electrical load.

When ERCOT grid conditions buckled under high demand on the highlighted day in 2022, the price of electricity spiked to nearly $1,500 per megawatt-hour, Hopper said.

“Three years later, the amount of solar had increased substantially and was complemented by energy storage,” she said.

On the specified day in 2025, under even greater demand than three years earlier, sizable amounts of solar power, battery storage and wind power kept ERCOT’s midday price of electricity low and stable—around $50 per megawatt-hour. That dollar amount represented a nearly 100 percent decrease compared with the highlighted day in 2022.

Solar and wind supplied nearly 40 percent of Texas’ power during the first nine months of 2025, according to the U.S. Energy Information Administration (EIA).

Despite the state’s expansion of solar power and battery storage capacity, residential electricity prices in ERCOT’s territory rose 30 percent from 2020 to 2025 and are expected to climb another 29 percent from 2025 to 2030, according to a forecast from the Texas Energy Poverty Research Institute.

The increase in electric bills is tied to factors such as:

Higher natural gas prices
Greater demand from AI data centers and cryptomining facilities
Extreme weather
Population growth
Development of new transmission and distribution lines

The strain on ERCOT’s grid is only getting worse. An EIA forecast predicts demand for ERCOT electricity will jump 9.6 percent in 2026, and ERCOT expects a 50 percent jump in demand by 2029.

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Solar represented 14 percent of energy supplied to the ERCOT electric grid in 2025. Photo via bp.com

Solar surpasses coal to become ERCOT’s third-largest power source in 2025

by the numbers

Solar barely eclipsed coal to become the third biggest source of energy generated for the Electric Reliability Council of Texas (ERCOT) in 2025, according to new data.

In 2024, solar represented 10 percent of energy supplied to the ERCOT electric grid. Last year, that number climbed to 14 percent. During the same period, coal’s share remained at 13 percent.

From the largest to smallest share, here’s the breakdown of other ERCOT energy sources in 2025 compared with 2024:

Combined-cycle gas: 33 percent, down from 35 percent in 2024
Wind: 23 percent, down from 24 percent in 2024
Natural gas: 8 percent, down from 9 percent in 2024
Nuclear: 8 percent, unchanged from 2024
Other sources: 1 percent, unchanged from 2024

Combined, solar and wind accounted for 37 percent of ERCOT energy sources.

Looking ahead, solar promises to reign as the star of the ERCOT show:

An ERCOT report released in December 2024 said solar is on track to continue outpacing other energy sources in terms of growth of installed generating capacity, followed by battery energy storage.
In December, ERCOT reported that more than 11,100 megawatts of new generating capacity had been added to its grid since the previous winter. One megawatt of electricity serves about 250 homes in peak-demand periods. Battery energy storage made up 47 percent of the new capacity, with solar in second place at 40 percent.

The mix of ERCOT’s energy is critical to Texas’ growing need for electricity, as ERCOT manages about 90 percent of the electric load for the state, including the Houston metro area. Data centers, AI and population growth are driving heightened demand for electricity.

In the first nine months of 2025, Texas added a nation-leading 7.4 gigawatts of solar capacity, according to a report from data and analytics firm Wood Mackenzie and the Solar Energy Industries Association.

“Remarkable growth in Texas, Indiana, Utah and other states ... shows just how decisively the market is moving toward solar,” says Abigail Ross Hopper, president and CEO of the solar association.

According to a report, In the fourth quarter, Texas is expected to add about 3.7 gigawatts of solar capacity — more than the combined total for the previous three quarters. Photo via Getty Images

Report: Texas expected to shine as top state for solar installations in 2023

fourth quarter push

When all the numbers are tallied, 2023 should be a very sunny year for solar installations in Texas.

The Solar Energy Industries Association, SEIA, and energy research and consulting firm Wood Mackenzie predict Texas will be the top state for solar installations in 2023. In the fourth quarter, Texas is expected to add about 3.7 gigawatts of solar capacity — more than the combined total for the previous three quarters.

In 2021, Texas added nearly 6.07 gigawatts of solar capacity, with that figure falling to more than 3.66 gigawatts in 2022. But for 2023, SEIA and Wood Mackenzie anticipate Texas having added almost 6.24 gigawatts of solar capacity for residential, business, and utility customers.

A report released last week by SEIA and Wood Mackenzie indicates that sales volume for solar installations has declined in Texas and some other states due in part to higher costs for financing solar equipment. Solar sales volume in Texas started dropping off in late 2022 and has continued to shrink, says the report.

Wood Mackenzie forecasts 13 percent growth for the U.S. residential solar market in 2023. The report predicts the U.S. will have added 33 gigawatts of residential solar capacity in 2023, up from a record-setting 6.5 gigawatts in 2022. The U.S. added 6.5 gigawatts of residential solar capacity in the third quarter of 2023 alone, says the report.

“Solar remains the fastest-growing energy source in the United States, and despite a difficult economic environment, this growth is expected to continue for years to come,” says Abigail Ross Hopper, president and CEO of SEIA. “To maintain this forecasted growth, we must modernize regulations and reduce bureaucratic roadblocks to make it easier for clean energy companies to invest capital and create jobs.”

Solar accounted for nearly half (48 percent) of all new electric-generating capacity during the first three quarters of 2023, bringing total installed solar capacity in the U.S. to 161 gigawatts across 4.7 million installations. By 2028, U.S. solar capacity is expected to reach 377 gigawatts, enough to power more than 65 million homes.

“The U.S. solar industry is on a strong growth trajectory, with expectations of 55 percent growth this year and 10 percent growth in 2024,” says Michelle Davis, head of solar research at Wood Mackenzie.

“Growth is expected to be slower starting in 2026 as various challenges like interconnection constraints become more acute,” she adds. “It’s critical that the industry continue to innovate to maximize the value that solar brings to an increasingly complex grid. Interconnection reform, regulatory modernization, and increasing storage attachment rates will be key tools.”

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Cemvita reaches breakthrough in sustainable fuel feedstock production

clean fuels

Houston-based biotech company Cemvita announced that it recently reached a critical milestone in the development of its FermOil product, which can be used to create Sustainable Aviation Fuel (SAF) and other renewable fuels at industrial scale.

The company shared in a news release that it completed a 75,000-liter industrial fermentation run at Belgium's Bio Base Europe Pilot Plant.

The campaign achieved target technical metrics for the production of FermOil, Cemvita’s renewable natural oil (RNO). FermOil is produced from industrial crude glycerin, an industrial byproduct, as opposed to traditional sugar-based feedstocks used in many bio-oil fermentation processes. It's designed to be a drop-in feedstock for creating SAFs.

Cemvita had previously advanced its FermOil production process through multiple scale-up stages before successfully reaching the 75,000-liter demonstration campaign, according to the company.

“This is not just a fermentation milestone,” Moji Karimi, CEO at Cemvita, said in the release. “It is a blueprint for how existing industrial infrastructure can evolve into circular bioeconomy infrastructure. Every biodiesel plant generating crude glycerin is a potential platform for renewable natural oil production.”

The milestone also supports the deployment of Cemvita’s industrial biomanufacturing platform, FermWorks, which integrates with existing energy and industrial infrastructure to turn waste carbon streams into SAFs and other materials. According to the release, Cemvita plans to move forward with commercial deployment discussions with partners in Brazil, Europe and in the UK. Cemvita already has a partnership with the Brazilian sustainable research institution REMA.

“We are proud to support innovative companies like Cemvita in scaling breakthrough industrial biotechnology solutions,” Hendrik Waegeman, head of business operations at Bio Base Europe Pilot Plant, added in the release. “Successfully operating at the 75,000-liter scale using a feedstock such as crude glycerin highlights both the maturity of the technology and the quality of the scale-up execution achieved by the Cemvita team.”

6+ must-attend Houston energy transition events for June 2026

Mark Your Calendars

Editor's note: Summer is here, and June brings a slate of must-attend events for those in the energy transition sector. CLEANPOWER is already underway, and the month continues with EPC Show and InnovateEnergy Week. Mark your calendars and register now.

June 1-4, 2026 — CLEANPOWER 2026 Conference and Exhibition

CLEANPOWER unites policymakers, experts, and corporate leaders to solve the challenges that none can solve alone. This must-attend, four-day conference is packed with cutting-edge discussions about wind, solar, storage, and transmission; dealmaking; networking; and fun.

This event continues through June 4 at the George R. Brown Convention Center. Register here.

June 4, 2026 — Energy Capital Conference

Join 300+ investors, operators, and capital providers in Houston for high-impact conversations shaping the next phase of energy investment. Hart Energy’s Energy Capital Conference is designed for senior decision-makers to meet the capital partners behind today’s deals; see where capital is flowing; strengthen the relationships that move business forward; and get ahead of where investment is going next. A pre-conference half-day workshop, titled Institutional Investing in Energy Workshop, will take place June 3.

This event takes place June 4 at the Post Oak Hotel. Register here.

June 9 — Greentown Go Make Kickoff

Head to the Ion to celebrate the Greentown Go Make 2026 cohort. The open-innovation program with Shell Catalysts & Technologies and Technip Energies focuses on catalytic solutions for industrial decarbonization and the energy transition. Hear pitches from the founders and network with a select group of startups while enjoying food and drink.

This event takes place June 9 at the Ion. Register here.

June 11, 2026 — Goals & Gigawatts Kickoff Party

Head to downtown Houston for Goals & Gigawatts: The Power of & Kickoff Party. The exciting Houston Energy & Climate Week gathering will combine fútbol, culture, climate, energy, innovation, and community for one unforgettable afternoon. Celebrate the opening FIFA match in Mexico City while connecting with professionals, innovators, investors, community leaders, and organizations shaping the future of energy and climate initiatives in Houston and beyond.

This event takes place at 1:30 pm on June 11, and the location is provided after registering. Register here.

June 16-17, 2026 — Energy Projects Conference & Expo

The Energy Projects Conference & Expo (EPC Show) is the largest event in North America for professionals working at the heart of major energy projects. The essential event for engineering, construction, commissioning, operations and maintenance across multiple energy sectors brings together five leading conferences under one roof. Conference subjects span LNG exporting, hydrogen and ammonia, midstream, petrochem and refining, and sustainable aviation fuels.

This event begins June 16 at George R. Brown Convention Center. Register here.

June 22-24, 2026 — InnovateEnergy Week

InnovateEnergy Week 2026 brings together the Energy Drone & Robotics Summit, Industrial Digital Reality Summit, and Industrial AI Nexus Summit for three days of high-powered innovation in Houston. This highly anticipated event will unite 1,500+ industrial, energy, and engineering leaders to explore the future of autonomous operations, spatial computing, digital twins, XR, AI, geospatial intelligence, and remote systems from the stars to the seafloor.

This event begins June 22 at Woodlands Waterway Marriott. Register here.

New Texas water plan does not consider data center growth, critics say

For the Future

A draft of Texas’ 2027 State Water Plan is drawing concerns from some water protection advocates who say it fails to account for one growing industry: data centers.

The plan, created by the Texas Water Development Board, will guide tens of billions of dollars in water development projects over the coming decades.

On Memorial Day, people packed Lake Travis to enjoy the water and sunshine while the lake remains near full capacity. But some advocates warn drought conditions could quickly return.

“Once we get into August, September, we'll be probably right back in the same drought situation,” said Mike Clifford with the Greater Edwards Aquifer Alliance.

The Texas Water Development Board released the draft plan in April. It recommends thousands of water projects carrying a projected cost of $174 billion over 50 years.

“We're not as shocked about the dollar amounts as some people are,” Clifford said. "To secure our water future, that's not an insane amount to ask for."

However, Clifford said his organization was surprised the draft does not specifically account for the growing impact of data centers, which can consume large amounts of water.

“If you leave the data centers out, it's not really a plan in our opinion. It's going to have to be changed and it's going to fall short,” Clifford said.

According to Data Center Map, Texas is currently home to 461 data centers.

Clifford argues the state should use projected future growth, not just historical data, when planning for long-term water needs.

“They're looking at the previous 10 years or 20 years or whatever, and we didn't have a lot of data centers in Texas,” he said.

Researchers at the the University of Texas at Austin estimate data centers could account for as much as 9 percent of Texas’ total water use by 2040, or potentially surpass the oil and gas industry that same year.

Read the full story from CultureMap news partner KVUE.com.

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