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Next-gen Solar farms that work at night, in the rain, and self-clean

June 15, 2022 by Douglas Broom

With the worldwide roll-out of solar, raising the efficiency of energy conversion isn’t just about the materials science of PV cells. Douglas Broom, writing for the World Economic Forum, runs through three “add-on” innovations. Researchers have found a way to generate electricity in the dark as panels cool during the night. A low-cost thermoelectric generator works using the temperature difference between the cooling solar panels and the … [Read more...]

Filed Under: Energy, Innovations, Renewables Tagged With: cleaning, efficiency, night, raindrops, robots, solar, thermoelectric, triboelectric, weather

Electricity markets with high shares of Wind and Solar will need Nuclear

May 24, 2022 by Machiel Mulder, Xinyu Li and Arjen Veenstra

When electricity markets have high shares of wind and solar – the goal of many regions around the world – is it more efficient to build a nuclear power plant instead of investing further in more renewable capacity? The answer is yes, according to a study by Machiel Mulder, Xinyu Li and Arjen Veenstra at the University of Groningen. In essence, it’s because nuclear benefits from the high (scarcity) prices when there’s little wind or sunshine. Here … [Read more...]

Filed Under: Energy, Nuclear, Renewables Tagged With: electricity, emissions, gas, Intermittency, markets, Netherlands, Nuclear, solar, subsidies, utilisation, wind

Will China’s gigantic wind and solar “bases” mean targets met four years early?

May 17, 2022 by Lauri Myllyvirta and Xing Zhang

China will have doubled its 2020 installed wind and solar capacity by 2025, exceeding 1,100GW, according to government plans. That’s four years sooner than required to meet their target of peak CO2 emissions by 2030 and carbon neutrality before 2060. Writing for Carbon Brief, Lauri Myllyvirta and Xing Zhang at CREA explain that the main driver is the creation of “clean energy bases”: large-scale concentrations of wind and solar power on deserts … [Read more...]

Filed Under: Energy, Renewables Tagged With: 2030, 2060, China, coal, deserts, emissions, grids, solar, wind

Record Renewables additions for 2021 and 2022 despite supply bottlenecks prove Solar & Wind’s resilience

May 13, 2022 by IEA

Despite – or perhaps because of – global market and political turmoil, renewable power is set to break another record in 2022. That’s after 2021 also saw record new capacity from solar, wind and other renewables worldwide. It’s mainly driven by solar PV in China and Europe as governments around the world take advantage of renewables’ energy security and climate benefits, according to the IEA’s latest Renewable Energy Market Update. 295GW of new … [Read more...]

Filed Under: Energy, Renewables Tagged With: biofuels, China, distributed, EU, Europe, hydro, IEA, India, LatinAmerica, policies, renewables, Russia, security, solar, US, wind

U.S. Solar breaks new records. What’s needed to keep the momentum?

May 10, 2022 by John Rogers

The latest available data reveals it’s been a record breaking 2021 for U.S. solar. John Rogers at UCS runs through the highlights. Solar passed the 100GW milestone, with 23.6GW newly installed, up 19% on 2020 and 77% up on 2019. Solar was the biggest source of new electric generating capacity for the third year in a row. Residential, non-residential and utility-scale all performed well. Across the nation, solar accounted for 3.9% of total … [Read more...]

Filed Under: Energy, Renewables Tagged With: California, costs, electricity, Illinois, Indiana, policies, residential, rooftop, solar, Texas, US, Utility, Virginia

Seven ways for the U.S. and Europe to enhance energy security and advance climate goals

May 9, 2022 by Joseph Majkut, Nikos Tsafos and Ben Cahill

Ending reliance on Russian fossil exports will need the U.S. and Europe to work together, explain Joseph Majkut, Nikos Tsafos and Ben Cahill at the Center for Strategic and International Studies. The U.S. is the world’s largest oil and gas producer and is able to increase output. At the same time, it must meet global emissions targets. The way to do it is to increase fossil exports temporarily whilst improving its carbon reduction measures (e.g. … [Read more...]

Filed Under: Energy, Oil, Gas & Coal, Renewables Tagged With: diplomacy, EU, exports, gas, hydrogen, imports, investment, jobs, LNG, markets, methane, oil, Russia, shale, skills, US

Solar + Storage Hybrid plants are poised for explosive growth in the U.S.

May 4, 2022 by Joachim Seel, Ben Paulos and Will Gorman

At the beginning of 2021 the U.S. had 73 solar and 16 wind hybrid projects, amounting to 2.5GW of generation and 0.45GW of storage. By the end of 2021, over a third of the 675GW of solar in the grid connection queue were hybrids, and 19GW were wind hybrids. Only one in four typically get approved, built and connected. But that still points at a twenty-five-fold increase in hybrid generation. It’s why Joachim Seel, Ben Paulos and Will Gorman at … [Read more...]

Filed Under: Energy, Renewables Tagged With: batteries, California, generation, grids, hybrids, incentives, Intermittency, lithium, markets, plants, solar, storage, wind

Pathway for 100% Renewables in 24 U.S. states by 2035

May 3, 2022 by Paula Garcia

We should not be surprised to see a growing number of 100% renewables roadmaps, with target dates in the 2030s, from nations as the transition gains pace. This study, “On the Road to 100 Percent Renewables” led by The Union of Concerned Scientists (UCS), details how the 24 states that make up the members of the U.S. Climate Alliance (USCA) can meet all of their electricity needs with renewable energy by 2035. Paula Garcia at UCS summarises the … [Read more...]

Filed Under: Energy, Renewables Tagged With: coal, electricity, health, jobs, JustTransition, Massachusetts, Michigan, Minnesota, pollution, renewables, solar, US, USCA, wind

Europe must simultaneously replace Russia’s fossil exports and accelerate its clean energy deployment

April 28, 2022 by Dolf Gielen, Ricardo Gorini, Luis Janeiro and SeĂĄn Collins

The Ukraine crisis has had an immediate impact on Europe’s strategy for energy supply security. And this week’s sudden halting of gas supplies by Russia to Poland and Bulgaria only emphasises the urgency. Dolf Gielen, Ricardo Gorini, Luis Janeiro and SeĂĄn Collins at IRENA look at the best options, basing their findings on their latest “World Energy Transitions Outlook”, published in March, that lays out a routemap for the next eight years for … [Read more...]

Filed Under: Energy, Energy Outlooks, Oil, Gas & Coal, Renewables Tagged With: ammonia, biogas, Bulgaria, coal, EU, Europe, gas, hydrogen, imports, Netherlands, oil, outlook, Poland, renewables, Russia, solar, Ukraine, wind

What’s best? Building Solar panels that last 30 years, or are short-lived easy-to-recycle and upgrade

April 27, 2022 by Harrison Dreves

The good news is that PV modules last so long – 30 years – that we don’t have to worry about recycling for a while. The bad news is that means we’re not thinking about the alternative pathway of deliberately building modules that last only a few years yet can be easily recycled and improved. Harrison Dreves at NREL describes the data-gathering and creation of a modelling tool that quantifies the flow of materials, energy, and carbon in the PV … [Read more...]

Filed Under: Energy, Renewables Tagged With: circular, investment, jobs, modelling, modules, PV, recycling, solar

Post-war Ukraine needs energy independence, decarbonisation and EU cooperation

April 22, 2022 by Andriy Konechenkov

Energy independence is a choice for some countries. For Ukraine it is a life-or-death necessity, says Andriy Konechenkov, VP of the World Wind Energy Association and Chairman of the Ukrainian Wind Energy Association, in this op-ed. The Russian invasion has exposed the vulnerability of Ukraine’s current energy system. Many of its fossil-fuelled power plants are near the Russian border, exposing them to disruption by the invading neighbour. The … [Read more...]

Filed Under: Energy, Renewables Tagged With: coal, electricity, ENTSOE, gas, investment, Nuclear, oil, renewables, Russia, Ukraine, wind, Zaporizhzhia

Q&A: How fast can renewables deliver on Germany’s new energy independence goals?

April 19, 2022 by Benjamin Wehrmann

How quickly can Germany reduce its dependence on fossil fuels? Benjamin Wehrmann at Clean Energy Wire asks six practical questions that must be answered, then gathers the expert answers. What are the current expansion goals for wind, solar and other renewables? Following Russia’s invasion of Ukraine, will the new emergency plans bring an end to Russian imports as well as reach climate targets? Are renewable power companies ready to deliver a fast … [Read more...]

Filed Under: Energy, Oil, Gas & Coal, Renewables Tagged With: bioenergy, coal, EU, gas, Germany, grids, hydrogen, imports, investment, jobs, labour, licensing, loadplanning, oil, rawmaterials, renewables, Russia, skills, solar, storage, SupplyChains, Ukraine, wind

An open-source standardised toolkit for modelling Marine Energy

April 13, 2022 by Caitlin McDermott-Murphy

New innovations need a lot of high quality modelling. That means collecting real world data, then coding the programs that run the models. This is labour intensive and takes time to do properly. The modelling needs to be standardised too, otherwise direct comparisons between competing ideas are virtually impossible. Caitlin McDermott-Murphy at NREL describes the latest version of their Marine and Hydrokinetic Toolkit (MHKiT) for modelling a wide … [Read more...]

Filed Under: Energy, Renewables Tagged With: Coding, Energy, marine, modelling, ocean, river, standardisation, US

The metals sector should back global carbon taxes. It’ll be good for business

March 31, 2022 by Sally Innis, Benjamin Cox, John Steen and Nadja Kunz

Most of the metals mining sector has been opposing carbon taxes. This is a foolish mistake that works against their interests, argue Sally Innis, Benjamin Cox, John Steen and Nadja Kunz at the University of British Columbia. The tax on the carbon emissions from mining and producing most metals (with only aluminium and steel being outliers) are small compared to the price of the metal, so a carbon tax will add little to the selling price. But the … [Read more...]

Filed Under: Energy, Renewables Tagged With: carbontax, copper, emissions, metals, mining, nickel, prices

“Floato-voltaics”: floating solar farms on existing municipal water reservoirs

March 30, 2022 by Connor O'Neil

The municipality of Cohoes, population 17,000, in New York State, is building a floating solar farm on its 10-acre water reservoir. It should power all the city-owned buildings and streetlights, save $500,000/year in electricity costs and still leave 40% of the generated electricity remaining for other civic use. It will cost $6m. It will be a first for a U.S. city, explains Connor O'Neil at NREL. The case for city “floato-voltaics” is so … [Read more...]

Filed Under: Energy, Innovations, Renewables Tagged With: Cohoes, costs, electricity, floating, floatovoltaics, grids, NewYork, PV, renewables, reservoirs, solar, US, water

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      Recent Posts

      What is the future of Woody Biomass in the EU energy mix?

      The problem with CO2e: we need separate emissions data for each climate pollutant (methane, soot, etc.)

      Should U.S. DOE risk funding methane-based Hydrogen production when CCS is still not proven?

      ‘Green Deal Industrial Plan’ explainer: 40%+ of the top low-carbon technologies must be made in the EU by 2030

      Silicon Valley Bank failed. Don’t blame the Climate Tech it backed

      Hydrogen’s innovation pipeline: signals strong ahead of World Hydrogen Summit in Rotterdam, May 9-11, 2023

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