Energy

Pompeii Powered by Polymer Panels

- Adam Clare

Historic sites that attract a lot of tourists know that if they loose their historical look that the tourists will stop coming, so how do you locally produce renewable energy while not looking modern? This question has been answered by the stewards of Pompeii with a simple solar solution. A local solar artisan found a way to manufacture solar panels that look like standard Roman roof tiles. They aren’t the most efficient solar panels but they work and they fit in with the aesthetic.

The traditional PV tiles are made from a polymer compound, which allows the sun’s rays to filter through. The photovoltaic cells are then integrated into it by hand and covered with a layer of the polymer compound. “We can also give it the look of stone, wood, concrete, and brick. As a result, such a solution can be installed not only on roofs but also on walls and floors,” says Quagliato.

Dyaqua’s clients are mainly local councils, owning assets that are subject to artistic or architectural constraints. Approved by the Italian Ministry of Culture, the traditional PV tiles have been also installed in Vicoforte, not far from Cuneo, and will soon be used in Rome’s renowned museum of contemporary art, Maxxi. In the coming months, they will also cover the roofs of some public buildings in Split, Croatia, and Evora, Portugal. Together with Alkmaar, in the Netherlands, the Portuguese city is one of the demo sites that are testing innovative solutions aimed at combining sustainability with the valorization of architectural and cultural heritage, within the European project Pocityf. The Italian company Tegola Canadese is among its technical partners.

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This Heat Pump Uses Sound

- Adam Clare

AI generated image of energy efficient home
Normal heat pumps make use of chemicals to modulate temperatures, in the future they may all use sound. A new French startup has announced they will sell a residential heat pump using acoustics. It’s not loud since the sound waves stay in the system to change the temperature, which also means the system can be quickly adjusted. Using acoustics for temperature control isn’t new (it’s used on the James Webb space telescope), this application of it in a residential system is novel.

Loyer said the heat pump can generate domestic water at up to 80 C. He claims that one of the key benefits of the acoustic heat pump, in comparison with traditional units using refrigerants, is its ability to reach very high or low temperatures.

“Traditional heat pumps use refrigerants with a temperature phase. They a have temperature limit, which is the temperature of the changing phase from liquid to gas of the refrigerant,” said Loyer. “In our core, the helium stays in gas form. Because helium remains a gas until -200 C, we can achieve higher temperatures inside our heat pump core.”

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Futuristic Fusion Finally Fires Up

- Adam Clare

Fusion power has been just a decade away for decades, or at least that was the joke. Yesterday it became outdated because it was revealed that nuclear fusion was ignited, stabilized, and proven to work reliably. Fusion energy is carbon-free energy production which has the potential to revolutionize how we use electricity. Hopefully we will be able to replace major power plants with this carbon free fusion solution.

To be clear, there’s still a lot to do to get fusion energy connected to the grid. We still need to focus first and foremost on renewable energy sources.

“The pursuit of fusion ignition in the laboratory is one of the most significant scientific challenges ever tackled by humanity, and achieving it is a triumph of science, engineering, and most of all, people,” LLNL Director Dr. Kim Budil said. “Crossing this threshold is the vision that has driven 60 years of dedicated pursuit—a continual process of learning, building, expanding knowledge and capability, and then finding ways to overcome the new challenges that emerged. These are the problems that the U.S. national laboratories were created to solve.”

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France: Parking Lots Must Have Solar Panels

- Adam Clare
solar

Drivers know all too well that parking lots are hot, uncomfortable, and are never the right size. In France larger parking lots will now require shading in the form of solar panels, making the large swaths of asphalt a little more comfortable. The solar panels are projected to provide the equivalent of 10 nuclear power plants.

Imagine if a law like this was passed in North America – we wouldn’t need any other source of energy!

Starting July 1, 2023, smaller carparks that have between 80 and 400 spaces will have five years to be in compliance with the new measures. Carparks with more than 400 spaces have a shorter timeline: They will need to comply with the new measures within three years of this date, and at least half of the surface area of the parking lot will need to be covered in solar panels. 

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Farm Fields of Solar Produce Bonuses

- Adam Clare
Solar panels on grass

In the UK the average person wants to get off fossil fuels, but the Conservatives in power want the opposite. Obviously this is not good, and it gets worse: the new PM Liz Truss wants to ban solar panels on farms, Conservatives clearly don’t understand how the world works.

The good news comes from research proving that agrivoltaics (agriculture + solar voltaic panels) are a boon to farmers. Solar panels on farms are good for revenue for farms, renewable energy, and the very crops farms are growing. Yes, solar panels on farm increase crop production!

“One study found certain peppers will have three times the production,” said Bousselot. “That’s a shocking number.”

As global temperatures rise, the panels can also help to conserve dwindling freshwater supplies by reducing evaporation from both plants and soil.

What evaporation does occur underneath the panels has the added benefit of cooling the PVs and boosting their electricity production, according to Randle-Boggis, a research associate at the University of Sheffield.

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