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Posts tagged ‘Solar Thermal Energy’

Solar Thermal Already Goes Beyond Electricity

A professor at Australia’s Institute for Mineral and Energy Resources at Adelaide University was recently quoted as saying, “if we want to tackle the greenhouse gas emissions problem, we have to look beyond just electricity.” His comments were made in relation to a research project investigating the possibility of using solar thermal to replace electricity in mineral processing. Well, we have good news: solar thermal already goes beyond mere electrical generation.

Professor Graham Nathan is absolutely correct in principle. We have to look at every possible use of solar thermal if the technology is ever to reach its full potential. But it is important that we make one thing clear: generating electricity is not the only thing we are doing with solar thermal technology.

It is true that large solar thermal power generation plants exist in both the U.S. and elsewhere. It is also true that most of these plants use mirrors to concentrate solar energy on boilers that generate electricity by powering steam turbines. But the model used by these power plants does not constitute the only way to use solar thermal power. Solar America Solutions does something that is completely different but equally important.


Space Heat and Hot Water

Solar America Solutions was awarded a patent in 2015 for our SunQuest 250™ solar thermal collector panel. In awarding the patent, the government recognized the uniqueness of our technology along with the benefits it offers for renewable energy. In short, there is no other panel in the industry that does what the SunQuest 250™ can do.

When we install a system featuring our panels in a commercial building, that system can often generate all the space heat and hot water needed during the daylight hours. With appropriate storage on-site, unused energy can be preserved for use once the sun goes down. More importantly, a Solar America Solutions system can pay for itself in five years or less.

Another remarkable thing about our solar thermal solutions is that they do not require a huge amount of space to be cost-effective. One of our 25-bulb collectors offers 88 square feet of absorption space in an area that is just 3′ x 7′. A single collector is capable of developing 35,000 BTUs per hour and output temperatures upwards of 500° F. That is a lot of raw power in a very small space.

The SunQuest 250™ solar collector panel is the key to a highly efficient space heat and hot water system. Combined with our peripheral equipment and storage solutions, a Solar America Solutions system can significantly reduce the amount of money spent on thermal energy.

The Solar America Advantage

One last thing we want to point out is the advantage our customers have after installing a Solar America Solutions system. Unlike photovoltaic solutions and solar thermal based on concentrated solar panels (CSPs), our systems don’t rely on direct sunlight for energy absorption. We utilize an absorption material that collects energy from ultraviolet rays. That means the SunQuest 250™ continues absorbing and transferring energy even on cloudy days and does not need to “track” the sun.

That advantage is further enhanced by an evacuated tube design that is highly efficient. Evacuated tubes allow for very little heat loss under normal conditions; our use of evacuated tubes makes our systems among the most cost-effective in the industry.

We are thrilled to know that researchers in Australia are looking for ways to harness solar thermal energy for mineral processing. We have no doubt they will come up with a more than adequate solution. In the meantime, we want to remind readers that solar thermal already goes well beyond power generation.


ABC Australia –

Solar Thermal for Space Heat and Air-Conditioning?

We are intimately familiar with solar thermal energy being used to create space heat and hot water. In fact, our patented SunQuest 250®™ solar thermal collector is one of the best tools on the market for designing solar thermal systems that pay for themselves in short order. But what about using solar thermal for air-conditioning? It’s possible, as evidenced by a brand-new project now underway in Nicaragua.

A report from Sun & Wind Energy magazine claims that a hospital in Managua, Nicaragua has ordered nearly $4.5 million in equipment and services from an Austrian company contracted to install a solar thermal plant on hospital grounds that will provide hot water and energy for air-conditioning. The project is being funded via a soft loan put together by a number of international partners. The United Nations Industrial Development Organization and National Cleaner Production Centre of Nicaragua are also involved in the development of the project.


The target of the project is Hospital Militar Dr. Alejandro Dávila Bolaños, the largest hospital in Nicaragua with 400 beds. The ultramodern facility was opened in 2015 in Nicaragua’s capital with built-in plans to make it as energy efficient as possible as new technologies became available. Adding the solar thermal plant will be the first major upgrade to the hospital since it opened.

A Major Rooftop Installation

Solid is the Austrian company that has obtained the contract to install the system in Nicaragua. Plans call for a solar thermal plant with 4,450 m² of collector space on the roof of the hospital. If all goes according to plans, the completed installation will provide all of the hot water needed throughout the facility while also contributing significantly to air conditioning.

Solid may have won the contract in part because of their reputation and experience. They have been part of more than 300 projects globally, and their reputation for successful implementation of solar thermal technology most definitely precedes them. Project officials believe the Nicaraguan installation will not only save the hospital money, but it will also reduce its emissions by up to 1,100 tons of CO2 annually.

Adapting Solar Thermal to Air-Conditioning

The idea of using solar thermal as a power source for air-conditioning is not something we talk about a lot in this country. Applications here are mainly for space heat and hot water – primarily because the heat generated by solar thermal systems is easily transferable for these applications. However, adapting solar thermal for air-conditioning is no harder than adapting it to process heat.

For example, let’s say we designed a rooftop installation consisting of SunQuest 250™ solar thermal collectors, thermal heat exchanger units, and storage tanks. All of the thermal energy produced by the system could be transferred to space heating equipment or water heaters in a standard installation. But it could also be used to generate energy that would power air conditioners.

We are not privy to the details necessary to describe exactly what the plans are in Nicaragua, but we cannot imagine the system would be too complicated. Solar thermal energy production is flexible enough that it can be used in a wide variety of applications. Providing power for air-conditioning is just one of them and both adsorption and absorption chillers that convert heat to commercial air conditioning have been in use for many years. We would like to see solar thermal collectors being used as the primary heat source for that application on a more wide-spread basis.

We look forward to seeing how the Nicaragua project works out. According to Sun & Wind Energy, similar projects funded by international soft loans are planned for other parts of the developing world as well. Right now is a great time to be part of the emerging solar thermal industry.


1.Sun & Wind Energy Magazine –

Utility Monopolies Biggest Challenge to Solar Thermal

It is becoming increasingly apparent that solar thermal energy could be one of the most beneficial and important sources of renewable space heat and hot water the world has ever embraced. Solar thermal capacity already exceeds several competing renewables, including PV, and it continues to grow as builders, property owners, and politicians realize its potential. Yet there is still one challenge that could keep the solar thermal sector from reaching its full potential: the need for utility monopolies to protect revenue streams.

Before explaining the problem, it’s important to note that Solar America Solutions understands the predicament conventional utilities find themselves in. We do not envy their position. However, the difficulties faced by utilities should not be overcome by preventing new technologies from being adopted. There have to be other ways to address utility company problems. With that said, on to the explanation. We will use the current situation in Las Vegas as an illustration.

SunQuest 250

Squelching Solar Thermal Growth

Properties up and down the Las Vegas strip are gradually warming to the idea of utilizing renewable energy sources to reduce dependence on the grid. The Mandalay Bay Resort is just one example. The resort is now in the process of installing a roof-mounted solar collector array that, when complete, will be the largest such rooftop array in the country. This does not sit well with Nevada’s public utility commission. They have a responsibility to protect the interests of the state utility monopoly, so they cannot afford to see large numbers of Las Vegas resorts switching to renewables.

The state cannot legally prevent property owners from utilizing technologies such as solar thermal, but they can make life more difficult in other ways. One controversial strategy is to charge customers a substantial fee to reduce dependence on a grid system. According to Wired, NV Energy (the state utility monopoly) is looking to get tens of millions of dollars out of resorts that no longer purchase as much electricity.

As one expert put it, the idea of charging resorts for not buying power is nothing short of a “death spiral.” The utility monopoly charges the customer a substantial fee to compensate for reduced electricity consumption, prompting that customer to look for ways to totally disconnect in the future. Meanwhile, the cost of maintaining infrastructure is shifted to remaining customers who will also want to reduce electricity consumption in order to cut costs. They are hit with charges which, in turn, motivates them to get out of the system.

A Balance Must Be Found

No one denies there is an ongoing need to maintain the country’s power infrastructure even in the midst of exploring alternative technologies like solar thermal. But a balance must be found. Actively preventing the adoption of solar thermal and other options in order to keep money flowing to utility monopolies only guarantees that the country will never transition to an energy system that relies increasingly on renewables.

If we are truly serious about ending our dependence on fossil fuels and grid-based energy, we should be doing everything we can to promote things like solar thermal. Perhaps it’s time to change how subsidies are applied. Rather than subsidizing new renewable installations, perhaps that money should be used to subsidize utilities that stand to lose as more people switch. It is something to think about.

While industry leaders and politicians work to find a compromise, Solar America Solutions will continue developing our industry-leading SunQuest 250 solar collector panel. Systems based on this panel can generate more than 50% of the space heat and hot water you need for your commercial building.


  • Wired –

Solar Thermal for Process Heat Possible

Solar America Solutions has been focused on solutions designed to provide space heat and hot water using our US Patented SunQuest 250 solar collector panel since the inception of our company. Yet we have always known the potential of solar thermal goes far beyond these applications. How far? On one end of the scale are massive projects designed to utilize solar thermal for commercial power production. On the other end of the scale is the potential of solar thermal for producing process heat. It is the latter idea that seems to be gaining a lot of momentum in the marketplace.

Understanding the impact of this emerging market requires one to first understand what process heat is. In simple terms, process heat is heat energy that is used to power some sort of industrial or manufacturing process. Using steam to power industrial equipment would be one example, parts wash-down water another. What we are excited about is the fact that solar thermal is a very effective source of process heat when systems are designed and deployed properly.


Large and Small-Scale Operations

You might be wondering what the potential of solar thermal for process heat is. We can say with all certainty that it is virtually unlimited. Most industrial or manufacturing process that utilizes process heat generated from traditional sources can do the same thing with solar thermal. It is simply a matter of designing and deploying the appropriate setup.

As just one example of a small-scale project, consider a newly installed cooking station in India that relies primarily on solar thermal. The cooking station was recently opened at the main canteen of a solar thermal power station located in New Delhi. Though we do not have all the details (they have been fleeting thus far) we believe we have an excellent idea of how the system could work.

Solar thermal energy is collected and transferred, by way of a solar thermal transfer fluid, to a storage facility or directly to the cooking device. That heat is then used to power different cooking blocks within the station. The heat is could be used for cooking, frying, and baking throughout the day, supplemented by LP gas only when the solar thermal source is unavailable, such as during late hours.

According to project officials, the most exciting thing about the cooking station is how the heat energy in store can be utilized and regulated to accommodate multiple cooking needs. Think of it in the same way as the typical residential oven and stove are utilized. Different kinds of cooking require different temperatures regulated by influencing the amount of energy introduced into the system. The same concept is used throughout the Indian cooking station.

Process Heat for the Future

The main challenge of process heat is that it tends to be needed at higher temperatures than would be required for space heat and hot water. But as the Indian project has demonstrated, solar thermal is more than capable of supplying that heat. Furthermore, the worldwide industry knows this. What has been done in India is not a secret.

Knowing that process heat is part of the future of solar thermal, the International Energy Agency has developed a set of guidelines to help manufacturing and industrial enterprises adopt solar thermal for process heat. The guidelines clearly lay out how to incorporate solar thermal without sacrificing the volume or integrity of process heat a given company requires for continual operations.

We are excited about the potential of combining solar thermal technology with industrial and manufacturing process heat. It is a market whose needs we believe can be very effectively addressed by way of the SunQuest 250 system from Solar America Solutions.


  • Hindu Business Line –
  • Sun, Wind & Energy –

Solar Thermal: Is MA Model Right for the Rest of the Country?

Just a few months ago, the state of Massachusetts increased the rebates offered through its solar thermal energy program from $50,000 to $100,000 for commercial applications and $3,500 to $4,500 for residential. They are the most generous rebates for solar thermal in the country. The question is, is the Massachusetts model right for the rest of the country?

The Bay State’s rebate program has been in force since January 2011 for commercial customers. Residential customers were included later that year. Since the start of the program, nearly 700 applications for solar thermal installations have been received; only one has been denied. By all accounts, Massachusetts is succeeding in encouraging property owners to use solar thermal technology for heat and hot water needs.

The beauty of the Massachusetts model is that the funding does not come directly from state coffers by way of taxes. Rather, every residential and commercial utility customer in the state pays a surcharge included on monthly bills to fund the program. The state says that the surcharge is the best way to ensure the program does not run out of money. That may not always be true if the rebates continue to see increases, but that is another story for another day.

Better Payback

Solar thermal is not the only technology qualifying for subsidies in the state of Massachusetts. Nevertheless, according to a piece published by Solar Thermal World, one equipment supplier and installer in the state told them solar thermal is where the money is. This is true for both the customer and the installer.


The efficiency and production capacity of solar thermal far outpaces photovoltaic for space heating and hot water applications, as well as a fast return on investment. Solar thermal is a technology that pays for itself in just a couple of years, even without subsidies, making it very attractive with the generous rebates offered by the state of Massachusetts. It also requires a much smaller installation space, it is highly scalable, and it works well even on cold, cloudy and overcast days.

As for installers and distributors, the photovoltaic market is so crowded that competition is stiff and profit margins are falling. Companies focusing mainly on solar thermal are saying seeing just the opposite. The solar thermal business is very attractive at this point in the game.

Solar Thermal with Solar America

It is great to see what Massachusetts is doing to encourage people to give solar thermal technology a try. Here at Solar America Solutions, we have been involved with this technology for years. In fact, our SunQuest 250 solar thermal collector panel is the best performing collector of its kind on the market today. Working at a rate of 94% efficiency, the SunQuest 250 can produce up to 35,000 BTUs per hour at a temperature in excess of 400° F.

A Solar America Solutions system is the perfect option for government buildings, educational institutions, hospitals, agricultural operations, manufacturing facilities, and more. We can custom design a system for your application to include solar collector panels, control units, pumps, storage tanks, and anything else you need to start saving significant amounts of money on your energy bill.

Solar thermal is the renewable energy source of the future. The state of Massachusetts understands that, providing businesses and residential customers with incentives to convert. We hope that other states will learn from their example. In the meantime, we encourage you to consider embracing solar thermal no matter where you are in the United States. Solar America Solutions would be happy to work with your business or government agency to implement solar thermal for your space heating and hot water needs.


1. Solar Thermal World –

Yes – Solar Thermal Can Even Be Used for Air Conditioning

At Solar America Solutions, we love to talk about the versatility of solar thermal energy production. We use the principle of solar thermal to produce cheap and efficient hot water and space heat for our clients across the country. However, that is not all solar thermal can do. Believe it or not, the technology can be used to create more efficient and cost-effective air conditioning units.

The idea of using solar thermal for air conditioning purposes may seem contrary at first consideration. Nevertheless, when you stop and examine how it is being done, it makes perfect sense. As an example, a company in Hawaii recently tested a newly designed two-stage compressor that takes advantage of solar thermal energy. This system has been designed in a way that increases efficiency as the temperature rises.

The two-stage compressor uses energy from the sun to expand refrigerant in the second stage. Refrigerant expansion is necessary in order to draw heat out of warm air. Where a conventional air-conditioning compressor uses electricity to heat and expand refrigerant, the solar thermal compressor uses energy from the sun. A combination of warmer temperatures and sunlight allows for faster expansion of the refrigerant, thus saving more money by requiring less electricity.


Using solar thermal energy for air-conditioning on a small-scale is still several years off. Designers and engineers are still working on scaling the technology to make it practical for smaller residential and commercial applications. Nonetheless, the principle is proven to work. It is exciting to us because we are seeing more ways to utilize solar thermal energy every day. We believe solar thermal is the renewable energy source of the future – an energy source that will eventually become the most dominant option among all renewables.

What We Do

Solar America Solutions concentrates on providing space heat and hot water solutions for government buildings, agricultural operations, hospitals, etc. Our systems are built around the SunQuest 250 solar collector panel, which, we are proud to say, is the most efficient and productive panel of its kind available today. We have designed the SunQuest 250 to take advantage of the efficiency of evacuated tubes to transform the sun’s ultraviolet rays into useful energy used for heating a thermal transfer fluid. This fluid can then be used to generate space heat and hot water.

On one of our projects, we installed a system to replace an aging boiler system at a poultry operation in the Midwest. The owners were so impressed that they asked us to come back when they expanded operations into a new facility. Solar thermal now provides all of the hot water they need for egg washing.

On another project, we were contracted to install solar thermal technology for a cellblock at an Indiana correctional facility. Corrections officials were so impressed with the savings they have decided to continue working with Solar America Solutions on several more state prisons.

Solar America Solutions is proud to be part of this cutting-edge industry. We work with dealers and distributors around the country to provide our clients with reliable and cost-effective solar thermal solutions for commercial applications. We can design and install a system for your new building, or replace an aging hot water or space heating system in your existing building.

Keep in mind that the efficiency and productivity of solar thermal pays for itself within 3 to 5 years without government subsidies. The money you will save on your monthly utility bills will be money that can be spent elsewhere. If you would like to learn more about solar thermal for your building, contact Solar America Solutions today.

Chinese Pricing on Evacuated Tubes Causing Market Confusion

As solar thermal technology becomes more popular for space heat and hot water, China is emerging as a major supplier of the evacuated tubes used to create solar thermal collector panels similar to the SunQuest 250 from Solar America Solutions. Unfortunately, recent changes in China’s export duty policy are causing confusion in the marketplace. Some Chinese companies are being charged the 17% export duty while others are not.

The confusion boils down to how Chinese manufacturers code their evacuated tubes prior to export. Tubes coded as components to be used in water heater systems are exempt from the export duty. Tubes coded under other classifications, such as glass products for example, are subject to the tax.

The largest of China’s manufacturers are electing to go with the water heater classification in order to keep their prices as low as possible. Some of smaller companies are not able to get away with that because they are selling to customers that might not necessarily be using the tubes for water heater systems.

Manufacturers are obviously troubled by the new coding system they have to deal with. Some have been in business for 10 years or longer, consistently exporting their products under the old water heater system classification. Being told by customs to use the newer code means an automatic jump in their pricing by at least 17%. Smaller companies affected by the export duty say they are already losing business to the larger companies still being allowed to continue under the old classification.


As to why the coding system is being applied differently in various parts of China, no one really knows for sure. However, some speculate the Chinese government is trying to encourage customers to purchase complete solar thermal systems rather than just evacuated tubes. Most of the Chinese products are going directly to India where the burgeoning solar thermal market is big business. Complete systems exported to India are free from the export duty as well as India’s 12.85% import duty.

International Competition Is Good

The market confusion in China does not have a huge impact on solar thermal here in the United States yet. Nevertheless, there is still an important take away here. The fact that we are even talking about export duties on evacuated tubes used for solar thermal systems shows that the market is strong enough to encourage international competition.

Companies would not invest so much money in solar thermal components if there were no future in it. The fact that so much money is involved shows how strong the future of solar thermal is. We believe it is strong enough that solar thermal will eventually become one of the standards for renewable energy options.

The strength of solar thermal energy production is its efficiency. Solar thermal energy is very simple in terms of design, making it possible to produce a significant amount of heat energy with very little loss. That is where the evacuated tube comes into play. Absorption material within the evacuated tube collects energy from ultraviolet rays and transforms it into heat energy. The efficiency of the evacuated tube allows nearly all of that energy to be directed toward generating space heat and hot water at more than 90% efficiency.

Solar America Solutions uses the latest in the evacuated tube technology to manufacture our industry-leading SunQuest 250 solar collector panel. Each of our panels is capable of generating up to 35,000 BTUs per hour, at temperatures of up to 475° F. One of our systems can produce hot water and space heat for your commercial building at a fraction of the cost of conventional power sources.

Molten Salt Energy Storage Shows Promise for Solar Thermal

At a new $2 billion Solana power plant in Arizona, no one worries when the sun goes down for the day. That’s because the power plant’s molten salt storage system is able to store enough energy throughout the day to power operations for up to six hours at night. The revolutionary molten salt system allowed the brand-new plant to pass its commercial operations test last autumn. Now the plant is ready to produce electricity full-time for the Arizona Public Service utility.

A similar plant in Nevada should be able to produce 110 MW once fully operational later this year. The developer of the Crescent Dunes project, SolarReserve, said back in February that the plant had entered its commissioning stage. The developer hopes to have it up and running at peak output before the year is out.

Solar thermal energy has long been believed to be one of the most efficient renewable energy sources when coupled with the right technology. However, storage capacity has been an issue in the past. The use of molten salt storage now seems poised to change that.

Molten salt is standard salt that has been liquefied due to high temperature. In its liquid state it has the capability of storing a tremendous amount of heat with very little loss; heat that can be used to keep production going during the nighttime hours, thus making it the perfect solution for all sorts of renewable energy projects. Molten salt technology is even promising enough to be considered for use as backup power storage for data centers and other high-tech facilities.



Storage Key to Solar Thermal

If solar thermal is ever to become the primary means of renewable energy, storage is the key. The ability to generate enough power during the day to meet demand, as well as providing storage capacity for overnight hours, will completely change how we think about, and apply, solar energy. And the solar energy community is getting very close to having the system we have been dreaming of.

The main disadvantage of molten salt storage is the cost-to-benefit ratio. For a full-scale power plant requiring maximum energy output 24 hours a day, molten salt is well worth the investment. However, for smaller projects involving space heating and hot water for a single building, it is still too expensive to make it viable. Reducing the cost of molten salt storage is one of the things being worked on right now.

Solar America’s SunQuest 250

Solar America Solutions offers a solar thermal system for heat and hot water generation using the latest technology for both collection and storage. The SunQuest 250 solar collector panel is designed around a highly efficient evacuated tube model that collects energy from the sun’s ultraviolet rays. As such, the system works just fine even on cloudy and overcast days. When paired with highly efficient storage tanks, the system is capable of providing more than enough energy for heat and hot water in a commercial or institutional setting.

Perhaps molten salt storage will eventually reach a stage where it is more scalable and cost effective for smaller projects requiring minimal storage. If so, some of the projects Solar America has already worked on could perform even better. That is what we are hoping for. We believe molten salt storage could be a very important part of our future, and the future of solar thermal energy across America.

How the Solar Thermal Sector Can Attract More Investors

Recent attendees of the SMEThermal 2014 conference in Germany were given some sound advice about attracting investors in the coming years. The advice came from Georgieff Capital Advisors partner Nicholas Atkins. Moreover, while the advice was clearly directed at new solar thermal startups, existing companies would do well to take heed when looking for additional investment funding.

The solar thermal sector enjoyed a lot of investor enthusiasm prior to the start of the Great Recession. Investors were eager to put funding into projects with great promise, knowing full well the profits were not to be delivered until well down the road. However, when the bottom fell out of the economy, many of those investors walked away. There are still investors out there today, but companies need to know how to approach them.

According to Atkins, one of the most important things companies need to do is make sure their business model is scalable. In other words, a company like Solar America Solutions needs to have the ability to grow and expand very quickly if it hopes to attract investors. Atkins explained that many investors want an exit available within 3 to 7 years of investing. In order to make that happen, the company receiving the funding needs to be able to grow quickly.

Another important thing companies need to do is to demonstrate to investors that there is a profitable business plan. A business plan needs to include products and services that can quickly generate profit that will lead to company expansion. If the investor does not see the potential for decent profit, he is not likely to take the risk.




Solar America’s Business Model

At Solar America Solutions, we believe we have both the product and business model that will allow our company to grow and expand well into the future. Our business is based on a core product known as the SunQuest 250 solar thermal collection panel. This panel is a state-of-the-art solar thermal collection unit designed around evacuated tube technology that is both highly efficient and cost-effective.

Unlike traditional solar thermal collector technologies, evacuated tube designs make use of dual tubes separated by a vacuum. The vacuum provides excellent insulation to reduce heat loss to near zero. This allows the SunQuest 250 to deliver over 300,000 BTUs daily at temperatures well over 400°. We use that heat to provide hot water and space heat for commercial applications.

In an industrial setting, the SunQuest 250 could be used to replace boilers normally driven by natural gas or oil. In a government building or educational facility, the system could provide both space heat and hot water throughout. There is virtually no limit to what can be done when solar thermal is used to replace other energy systems based on heat. Simply put, any application involving a boiler is a prime candidate for solar thermal.

In a recent application, 400 SunQuest 250 collectors by Solar America Solutions were installed in an Ohio corrections facility where they will provide more than 50% of the thermal energy needed for space heat, showers, laundry, and dish washing. This is currently the largest non-utility solar thermal system in North America and will pay for itself in less than seven years.

We are excited about the future of solar thermal energy in the United States. Over the years, we have seen great strides in technology development and innovation. Solar America Solutions is proud to be part of an industry that shows such great promise for renewable energy production that saves money and helps protect the environment. If you would like to know how we could help your business or organization, do not hesitate to contact us.

Solar Thermal Energy in the United States

Solar thermal energy (STE) is a form of technology used to harness solar energy and turn it into heat. More efficient than photovoltaics (PV), STE is playing a key role in helping the United States move towards a cleaner and sustainable future. This infographic looks at five benefits of this advancing energy source.

Solar Thermal Energy in the United States