John Berger, CEO of Houston-based Sunnova, explains the importance of energy independence and solar's role in achieving it. Courtesy of Sunnova

Following extreme temperatures and increasing grid instability this summer, CEO and Chairman of the board of residential solar power service company Sunnova Energy Corp., John Berger, is encouraging individuals to take charge of their energy needs.

Berger founded the Houston-grown company back in 2012, before solar energy was seen as a hip, clean power source. Now, Sunnova (NYSE: NOVA) is a leader in residential solar installations.

In a discussion with EnergyCapital Berger broke down misconceptions about solar power, predicted the rise of the home as a power station, and highlighted the importance of energy independence.

EnergyCapital: In the wake of a record breaking heat wave, how do you anticipate renewables being incorporated into the market as demand response soars?

John Berger: It's a rethinking of the entire system. What goes with that is let's rethink our regulatory structure. In this regard, I'm not talking about renewable energy versus fossil fuel. I'm talking about enabling and empowering the consumer and enabling and empowering the individual, whether that's a homeowner, a business owner, or apartment dweller. We don't do that in this country. We don't do it, outside, maybe Houston, Dallas, and a couple of other small markets. That's inhibiting the transition greatly. The monopolies want higher prices, because the more money they spend, the more money they make. They are not embracing change. They are not embracing technologies. They're not embracing demand response. Because that limits their revenue. So, we should recognize that that's the system. We shouldn't expect a different outcome when we've given us some incentive structure that: spend more money, don't change and don't adopt new technologies.

We need to change the entire energy system because technologies like solar, storage, software, and hardware exist and need to be adopted. We need to have the right regulatory system to allow consumers to adopt them. We need to have the right price, so that consumers can adopt these technologies at a pace that's far quicker than what we're seeing now so that they can ultimately address climate change.

As soon as we unleash the individual and empower the individual — powering energy independence is our tagline — we will solve the ultimate risk to humanity that is climate change a lot faster.

EC: Though solar is rising in popularity, are there any misconceptions about solar power in relation to residential installations that have persisted?

JB: I think the bigger one, whether it’s on a home or in a field, is that somehow since solar is intermittent, it's not reliable. It is intermittent to some degree, but — if you've ever run a utility system — coal is unreliable, gas fired power is unreliable, nuclear is even unreliable. We saw that in the winter storm Uri down in Texas. The gas wellheads froze off because they weren't prepared for the freeze. Were the wind turbines prepared for the freeze? No, they weren't either. The one source that performed better was solar. But you don't see that in a lot of the commentary because it didn't fit the political agenda that some have.

The question is, can you put enough of both on the system or on the home so that you can carry through whether it's a winter storm day or a heatwave in the summer? The misconception that solar will always be intermittent is the constant problem that we face. What are you going to do when the wind doesn't blow and the sun doesn't shine? My response: have you ever heard of a battery? We’ve got to get over that hurdle. Frankly, it's just an excuse and at best an uneducated excuse. We need to get over that and move on, and then figure out how we can best adopt the technologies of solar and storage that are plummeting in price, through empowering the individual.

EC: Sunnova is expanding into virtual power plants, can you discuss what that means and how they might impact grid stability?

JB: Virtual power plants, or grid services, or aggregation services — we call them energy services periods. There's a lot of different names for the same thing. It's basically taking solar storage software demand technologies and incorporating them into a centralized part of what we consider the grid — even though there's not a grid in the United States. The grid, as the common person understands it to be, is actually a haphazard collection of wires and centralized generation that was just put together over the last 130 years. There was not a master plan. You cannot physically move power from Houston to New York, for instance. You haven't ever been able to do that. We're trying to have that fill in of the small solar, the storage, the software, the demand side. We're saying each home, through this Sunnova adaptive platform with our sentient software connecting all these folks together, is likely to have some excess power that they can put onto a utility system or a regional system, so that the neighbor next to him can have that excess power if that neighbor needs it. It's a part of being a part of the Sunnova Club, that we can offer that value to you. That value may be that you get that extra power that you have to pay for where the value is the price in the wholesale market, or it could be that you get paid for that extra value that you happen to produce, through our adaptive platform. So it's a way of connecting homes together so that we optimize the solar and batteries that are on the other side of the meter or on the homes on the businesses. That's a way that you can squeeze more out of that investment that you made or that solar service that you have with us.

EC: As the cost of equipment for renewable energy systems, like EV charging stations and solar roof installations, decreases, is it possible to see a transformation of the home into a power station?

JB: I would go even further and say the home is the gas station now. That's what's already happened. It's fascinating if you really step back and think about it — the electric vehicle is becoming more popular, not necessarily because it addresses climate change, but because it's cool. And because it's enabled by software, AI, and a lot of the other things that make our experience in that car different. I think a lot of people now see and understand that. The other side of that is well, why can't that happen to your house as well? Like there's a lot of automation that should be happening in the house. There's a lot of software and hardware that's going in the house with the entertainment systems and all this other stuff.

You should reimagine how your house is powered and how it uses power. There's a lot of other things that you should be able to do in your house and it's more advanced than just flipping the light switches on and off and turning air conditioners on whether you're there or not.

We waste an enormous amount of energy in the United States. It's estimated that we literally burn over twice the amount of energy that we need and so therefore we're wasting over 50 percent of our energy usage. I mean, just think about the carbon release and the financial destruction that causes. We can do a lot better today with the technology. These technologies are available today and increasingly becoming more inexpensive.

EC: You describe Sunnova as “powering energy independence” — what do you mean by that and why is energy independence important?

JB: I think independence in your life just period is important. You want to have the ability to choose what you want to do in life. It's natural, especially Americans, to say, "I can choose anything I want to do. I can choose where I want to eat tonight. I can choose what car I buy." But for some strange reason, you can't choose your power provider in this country.

That's like if AT&T came to you on cellular and said, "We're going to actually triple your bill today. The regulator already signed off on it. We're gonna give you the flip phone back and take away Apple because Apple didn't agree to our terms. And you're going to like it." That's what we get from the electric industry. It's what we always get. That's unacceptable. We need to open things up to choice and Sunnova provides that choice to the consumers.

We increasingly are taking more technologies on, like load management, storage, more software with our sentient software, and we're coming in and saying, "Look, regardless of manufacturer, we're putting that together. Whatever way you want to fund that equipment, that service that you're procuring, that's fine with us you want to do cash fine, we'll do a loan fine." We offer that lease PPA, but that financing isn't enabled. But then we wrap our service together regardless of how you choose to fund it, which is different from anybody else. We say we're going to be there within 24 hours to fix that problem for most of your issues, so that means we're going to keep that power flowing. That's all it means. It's really that simple. When we do that we can come in and say you're going to be a part of the Sunnova adaptive energy platform. Basically, you're going to be able to get more value, a lower bill, if you're able to sell some of that power you don't need on that particular hot day to your neighbor through Sunnova. We’ll handle everything so you don't have to do anything. Or we can give you some additional power that you may not know you need to charge a car up or something like that and the neighbor will provide it through the Sunnova adaptive platform. So it's about how we rethink the entire energy business.

We're putting it in the hands of the individual to make the decision about what they want, you know, going over that point about reliability, if you work from home, you have a high demand for reliability. You have a higher willingness to pay for higher reliability versus somebody that has to go to work every single day of the week. They may not have that same desire, and they probably don't want to have that level of reliability. You should be able to choose. The utility just decides, the monopoly decides who gets served well and who doesn't. There's no consumer coming in that says I have a higher demand. So what do people do? They'll get dirty generators. One of the biggest industry growth periods in the entire economy is backup generators that burn diesel and burn natural gas. Again, we're taking an industrial age system with an archaic, communistic approach with economics and having bureaucrats make the decision, so we're getting suboptimal outcomes all the way to suboptimal fighting climate change. If we just empower the individual they'd say, “Well, why don't we just put more solar panels on and put more batteries and manage the load better when I bought the electric vehicle?” Those are the kinds of solutions that can be crafted individually for each consumer and that's what we do here at Sunnova.

EC: As a long-time Houstonian, how do you envision Houston’s role in leading the energy transition?

JB: I think Houston has a key role. Houston is the most diverse city in the United States. It is that diversity that's given a lot of strength to Sunnova over the years. Our quality of life is really high. All that means this is a fantastic place to build and create the new global energy industry. We understand oil and gas very well. The bigger oil and gas firms in the world are headquartered here and that's fantastic. They’ll be a part of the solution, I would hope. But if you look at innovation and transformation in industry, there's about a 100 percent hit ratio that the incumbents actually don't lead the change, and in many cases don't make it through the change. And so what we have to do is recognize that new leaders, new companies like Sunnova need to be formed and grown up here. Take advantage of the great quality of life, the low cost structure, the diversity of its people and its communities, and really lead the world and transform the energy industry.

I'm absolutely convinced that the Texan way of doing things, the Houston way of doing things, is a key part of that and demonstrating leadership. We certainly will do our part to help lead Houston forward to be the lead dog if you will, on the transformation of the global energy business.

— — —

This conversation has been edited for brevity and clarity.

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17 Houston energy sector cos. among most future-ready businesses, says WSJ


More than 20 Houston-area companies reign among the most future-ready in the U.S., based on a first-time ranking of the best S&P 500 companies for the future. The majority of them are part of Houston's booming energy sector.

Published by The Wall Street Journal, the ranking was created by Bendable Labs for the WSJ Leadership Institute. It evaluates how S&P 500 companies stack up in six areas: AI readiness, innovation, talent readiness, financial fitness, resilience and agility. To be ranked, a company had to be part of the S&P 500 as of Dec. 31.

Here are the Houston-area companies in the energy sector included in the ranking of the best companies for the future:

  • No. 105 SLB
  • No. 120 Baker Hughes
  • No. 125 ConocoPhillips
  • No. 158 NRG Energy
  • No. 176 Targa Resources
  • No. 185 Chevron
  • No. 195 Halliburton
  • No. 223 Coterra Energy
  • No. 235 Exxon Mobil
  • No. 250 Kinder Morgan
  • No. 257 Quanta Services
  • No. 276 CenterPoint Energy
  • No. 313 Occidental Petroleum
  • No. 333 EOG Resources
  • No. 365 LyondellBasell Industries
  • No. 408 Phillips 66
  • No. 500 APA
Here are the remaining Houston-headquartered businesses that made the list:
  • No. 72 Hewlett Packard Enterprise
  • No. 229 Waste Management
  • No. 285 Sysco
  • No. 318 Camden Property Trust
  • No. 373 Comfort Systems USA
  • No. 401 Crown Castle

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A version of this story first appeared on InnovationMap.com.

Rice, DOE launch new Eastern Mediterranean Energy Center

Energy Diplomacy

Representatives from three countries visited the Rice University Baker Institute for Public Policy this month to establish the Eastern Mediterranean Energy Center, a new partnership promoting energy advancement in the region.

On June 11, Baker played host to delegations from Cyprus, Greece and Israel that included Michael Damianos, Minister of Energy, Commerce and Industry of the Republic of Cyprus; Stavros Papastavrou, Minister of Environment and Energy for Greece; and Yechiel Leiter, Israeli Ambassador to the United States. U.S. Secretary of Energy Chris Wright and Rice University President Reginald DesRoches were also present to sign a declaration of intent (DOI) that officially formed the partnership first envisioned in the Eastern Mediterranean Security and Energy Partnership Act of 2019.

“This is a dynamic field,” David Satterfield, director of the Baker Institute and former U.S. ambassador to Turkey and Lebanon, said in a news release from Rice. “The East Med has enormous further potential, not just for development, for coordination of development. It is a positive thing for energy, it's a positive thing for industry, for all of the three states represented here today. It's good for the region in a geopolitical sense as well. It provides a stabilization based upon the pragmatic and integrated development and distribution of energy resources, and that is a very good thing indeed.”

The new pact will focus on improving grid stability in the region, as well as on developing U.S. liquefied natural gas (LNG) infrastructure and new technologies.

Another goal of the Eastern Mediterranean Energy Center is suppressing conflict in the region. When the Eastern Mediterranean Security and Energy Partnership Act was signed by President Joe Biden in 2019, it lifted the prohibition on arms sales to the Republic of Cyprus, authorized foreign military financing for Greece and increased intelligence gathering on Russian interests in the Mediterranean.

“We need to use commerce to suppress and surpass conflict – that is the way to bring nations together in geopolitical tensions between countries,” Wright said in the release. “You think of it as zero-sum, there's a winner and a loser, and both sides want to be the winner. Ultimately, one side will be the winner, one side will be the loser. Maybe more objectively, both sides lose, but one loses more than the other. In commerce, it's entirely different, and commerce is voluntary exchange. It only happens when there's winners on both sides. So, when you build, you develop energy and you build energy distribution infrastructure, you bring countries, you bring people together. The three founding nations here and their leadership are all friends of mine and passionate in this mission. They not only want to develop energy to bring better opportunities to their people, but they wanted to bring those three nations together, and all of their neighbors as well, and use commerce to suppress and surpass conflict. These are generational investments.”

6 Houston companies earn recognition on Time’s global greentech list 2026

green giants

Six Houston-area businesses appear on Time magazine’s 2026 list of the world’s top greentech companies, with a high-flying name leading the pack.

The highest-ranked local company is Houston-based geothermal power producer Fervo Energy, which claims the No. 4 spot—up from No. 14 last year.

In May, Fervo raised nearly $1.9 billion in its IPO, making it the biggest-ever IPO in the clean energy sector. The company’s valuation now exceeds $10 billion.

Founded in 2017, Fervo borrows methods from the oil and gas sector to drill wells that go down vertically into hot rock before turning horizontal, letting water circulate through them and produce electricity from the heat it absorbs. Cape Station in Utah, the company's first utility-scale project, is set to start delivering power to the grid later this year, with capacity expected to grow to 100 megawatts by 2027.

Co-founder and CEO Tim Latimer tells Fast Company, which named him a 2026 Visionary of the Year, that he launched his career as a drilling engineer for fossil fuels, “but quickly became obsessed with this idea that the drilling techniques we were using would actually be transformative for the world of geothermal as well.”

Fast Company notes the geothermal power generated by Cape Station will be available 24/7, unlike wind and solar power.

“When you start adding something to the grid mix that’s affordable and works around the clock,” Latimer says, “that’s going to be a huge asset to meeting our country’s energy needs.”

Time teamed up with data provider Statista to compile the second annual ranking of the 250 top greentech companies in the world. Companies on the list either develop or provide green technology, products, or services that help ease or reverse the environmental impacts of human activity.

Statista gathered and analyzed data from more than 8,300 companies to create the list, and they were scored in three categories: positive environmental impact, innovation, and financial strength. Fervo earned a score of 94.63 out of 100.

Joining Fervo on this year’s list are:

  • Houston-based Quaise Energy (No. 78), which specializes in terawatt-scale geothermal power
  • The Woodlands-based Plus Power (No. 112), which develops, owns and operates battery storage projects
  • Houston-based Utility Global (No. 167), which develops decarbonization technology
  • Houston-based 1PointFive (No. 217), an Occidental Petroleum subsidiary that offers large-scale carbon removal and storage.
  • Houston-based Sage Geosystems (No. 250), which produces commercial-scale geothermal power

Earlier this year, six Houston-area companies landed on Time's list of top greentech companies in America: Fervo (No. 1), Quaise Energy (No. 49), Plus Power (No. 71), Utility Global (No. 98), Solugen (No. 199) and Noodoe (No. 215).