Nine-hour energy storage requirement makes one natural gas replacement project in California tricky

Andy Colthorpe for Energy-Storage News: The requirement of nine hours of energy storage duration at a project touted as a possible replacement for a new natural gas plant in California makes it tough for the newer technology to compete on cost, an analyst has said.

Boosting Tidal Power

NauticExpo: Developed by Netherlands-based Water2Energy, a vertical axis water turbine (VAWT) with an innovative pitch control system is proving from 30% to 50% more efficient than traditional systems.

Rail Energy Storage Harnesses the Power of Gravity All the Livelong Day

Glenn McDonald for Seeker: A California startup is repurposing trains and rail cars to help the storage capacity of renewable energy utilities compete with fossil fuels.

The Home Depot Converting 50 Rooftops to Solar Farms

The project will reduce electricity grid demand by an estimated 30 to 35 percent annually at each Home Depot store; the equivalent of powering 2,300 average U.S. homes for a year.

Solar eclipse 2017: how the solar power industry is prepping for a huge sunlight blip

Annette Choi for VOX: A model predicts the impact of the eclipse on the national solar energy supply will be greatest at 13:40 PM on August 21 while the eclipse is passing over Wyoming.

Mazda Combustion Technology News Sends Jolt Through Electric Car Industry

John Harrington for 247WallStreet: Mazda said in a press release that the engine technology will be up to 30% more efficient than the carmakers conventional systems. It hopes to have the system ready for 2019 models.

Sono Motors unveils its solar and battery-powered electric car

Fred Lambert for Electrek: German electric car startup Sono Motors unveiled the crowdfunded prototype of its battery and solar-powered vehicle; the Sion.

Panel beaters: Australia utilities branch out as customers shift to solar

Sonali Paul for Reuters: One of Australia's leading power suppliers, AGL Energy (AGL.AX), has offered cheap batteries to 1,000 homes with solar panels as part of what it describes as the world's biggest "virtual power plant" in Adelaide, South Australia, a state plagued by blackouts over the past year.

Alphabet Wants to Fix Renewable Energy's Storage Problem - With Salt

Mark Bergen for Bloomberg Technology: Alphabet Inc.'s secretive X skunk works has another idea that could save the world. This one, code named Malta, involves vats of salt and antifreeze.

Plug and Play Partners with Siemens to Launch New Energy & Sustainability Innovation Platform

To address the rapid changes in the energy market, Siemens is partnering with leading accelerator Plug and Play to identify and work with startups that have the potential to disrupt the energy industry.

Intersolar and ees North America Highlight Policy and Technology Updates

Events attracted high-quality attendees and served as a sounding board for recent industry triumphs and upcoming challenges

Leaked Draft of DOE's Grid Study Says Renewables Are Not a Threat

Julia Pyper for GTM: But will that language make it into the final version?

Tesla Faces Stiff Competition In Energy Storage War

Irina Slav for OilPrice.com: Siemens and AES launched a joint venture that focuses exclusively on battery storage systems.

New Tool Predicts the Cost Effectiveness of Electric Energy and Storage

Dom Galeon for Futurism: "An informed understanding of the potential future costs of electricity storage technologies is essential to quantify their uptake as well as the uptake of low-carbon technologies reliant on storage," the researchers wrote.

Intersolar and ees North America See Strong Opening in San Francisco

Industry leaders take the stage at the premier solar and energy storage event; hundreds of exhibitors show off emerging technologies in buzzing exhibition hall

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