Solar Energy

Tue, 16 Jan 2018 17:01:00 UTC

Solar Grabs Half of Global Renewables Investment in 2017, Reaching $161 Billion

In its recently released annual figures, Bloomberg New Energy Finance said that solar lead the way in global renewable energy investments.

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Tue, 16 Jan 2018 16:11:05 UTC

Perovskite solar cells: Perfection not required

Metal-organic perovskite layers for solar cells are frequently fabricated using the spin coating technique on industry-relevant compact substrates. These perovskite layers generally exhibit numerous holes, yet attain astonishingly high levels of efficiency. The reason that these holes do not lead to significant short circuits between the front and back contact has now been discovered. … read more
Tue, 16 Jan 2018 14:36:54 UTC

Magnetic liquids improve energy efficiency of buildings

Climate protection and the reduction of carbon dioxide emissions have been on top of global development agendas. Accordingly, research and development projects have been conducted on national and international levels, which aim for the improvement of the CO2-footprint in diverse processes. Apart from particularly energy-intensive sectors of the industry, the building sector in particular is among the biggest CO2-emmitters: from residential homes, manufacturing facilities and storage depots to big commercial buildings, about 40 percent of the energy consumption within the EU are due to the heating, cooling, air conditioning and lighting of buildings. … read more
Tue, 16 Jan 2018 13:50:03 UTC

Slow 'hot electrons' could improve solar cell efficiency

Photons with energy higher than the 'band gap' of the semiconductor absorbing them give rise to what are known as hot electrons. The extra energy is lost very fast, as it is converted into heat so it does not contribute to the voltage. Researchers have now found a material in which these hot electrons retain their high energy levels for much longer. … read more
Tue, 16 Jan 2018 13:27:00 UTC

New Commission to Tackle Energy Transformation Geopolitics

The International Renewable Energy Agency (IRENA) this week launched the Global Commission on the Geopolitics of Energy Transformation, with the support of the governments of Germany, Norway and the United Arab Emirates.

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Tue, 16 Jan 2018 03:44:47 UTC

6 Charts that Will Make You Optimistic About Clean Energy

Tue, 16 Jan 2018 03:44:46 UTC

Meet the Recipients of the U.S. Clean Energy Education & Empowerment Awards

Tue, 16 Jan 2018 03:44:33 UTC

Solar Powered Houses of This Year’s DOE Solar Decathlon

Mon, 15 Jan 2018 19:31:00 UTC

Surging Power Bills Spark Rush for Household Solar in Australia

Australia, one of the world’s biggest users of rooftop solar panels, likely added the most new capacity on record last year as electricity users sought to ease escalating power bills.

 

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Mon, 15 Jan 2018 17:16:41 UTC

Solar fuels: better efficiency using microwires

Researchers have made significant efficiency improvements to the technology used to generate solar fuels. This involves the direct conversion of energy from sunlight into a usable fuel (in this case, hydrogen). Using only earth-abundant materials, they developed the most efficient conversion method to date. The trick was to decouple the site where sunlight is captured from the site where the conversion reaction takes place. … read more
Mon, 15 Jan 2018 15:54:00 UTC

Renewables in Middle East to Triple, but Gas Will Still Dominate, Says Siemens

The share of renewables in the Middle East energy mix is forecast to triple over the next 17 years — but natural gas will remain the dominant power source in the region. That’s one of the key findings of a new report published this week by Siemens.

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Mon, 15 Jan 2018 15:28:00 UTC

Subscription Energy Fit for the 21st Century

Today, subscriptions are available to just about anything: TV streaming services, at-home meal kits, clothing and more. Now we’re welcoming energy to the subscription economy.

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Mon, 15 Jan 2018 13:35:00 UTC

Onshore Wind Power Now as Affordable as Any Other Source, Solar to Halve by 2020

The cost of generating power from onshore wind has fallen by around a quarter since 2010, with solar photovoltaic (PV) electricity costs falling by 73 per cent in that time, according to new cost analysis from the International Renewable Energy Agency (IRENA). The report also highlights that solar PV costs are expected to halve by 2020. The best onshore wind and solar PV projects could be delivering electricity for an equivalent of USD 3 cents per kilowatt hour (kWh), or less within the next two years.… read more
Fri, 12 Jan 2018 15:52:00 UTC

California Regulators Direct PG&E to Prioritize Storage for Peak Demand

The California Public Utilities Commission approved an order Thursday that will require PG&E Corp., the state’s biggest utility, to change the way it supplies power when demand peaks. Instead of relying on electricity from three gas-fired plants run by Calpine Corp., PG&E will have to use batteries or other non-fossil fuel resources to keep the lights on in the most-populated U.S. state.

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Fri, 12 Jan 2018 14:59:00 UTC

Fluence Moves to Support ‘Significant Capital’ Needs of Energy Storage

Fluence Energy, the energy storage joint venture launched last year by Siemens and AES, said it will begin offering leasing and project finance options for energy storage projects.

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