Hail problems in your area? Tesla PV roof has a lifetime guarantee

By Fred Lambert, Electrek, A first look at the ‘Tesla house of the future’ with solar roof and Powerwall batteries, 29 Mar 2018 After its acquisition of SolarCity, Tesla started building an energy product offering that covers everything from energy production, with its solar products, to energy storage, with its Powerwall, to energy consumption, with its electric vehicles. A perfect customer for the company …

Renewables increased to 18 percent of energy generation in 2017—approaching nuclear’s 20% share, but natural gas is still king

GreenTechMedia, EMMA FOEHRINGER MERCHANT FEBRUARY 15, 2018 Last year, Bloomberg New Energy Finance defined renewable energy as the “new normal” in its Sustainable Energy in America Factbook. This year’s edition affirms that finding. While U.S. clean energy installations lagged, a record amount of capacity brought online in 2016 drove generation from renewables (including hydropower) in 2017 — a year of uncertainty — to …

Solar and batteries are edging out gas, and batteries are becoming bigger for Tesla too

Bloomberg, Feb 2018 Natural gas is getting edged out of power markets across the U.S. by two energy sources that, together, are proving to be an unbeatable mix: solar and batteries. In just the latest example, First Solar Inc. won a power contract to supply Arizona’s biggest utility when electricity demand on its system typically peaks, between 3 p.m. and 8 p.m. The panel …

LA City Councilpeople want climate turnaround, emergency action, city department

Jan 18 2018 The La Tuna fire of September 2017 was the biggest Los Angeles had seen for 50 years Pic: By Scott L from Los Angeles, United States of America – 1_E1C9469, CC BY-SA 2.0, Link) By Megan Darby Four Los Angeles city council members are calling for emergency funds to set up a department for climate action. Citing recent devastating wildfires in California, linked to global …

Many ways to avoid blackouts and save money in the shift to 100% renewable, reliable energy, worldwide

Researchers propose three separate ways to avoid blackouts if the world transitions all its energy to electricity or direct heat and provides the energy with 100 percent wind, water and sunlight. The solutions reduce energy requirements, health damage and climate damage. Key elements of the solution applicable to different cases are to Produce heat directly from solar and geothermal heat …

Cost-benefit of zero net energy and renewables. ZNE certified and emerging projects increased by 74% in 2016, Santa Clara adds to code, documents cost-benefit

Originally published at ilsr.org by ILSR summer intern Matthew Douglas-May. As energy efficiency and renewable energy technologies continue to improve both functionally and economically, Zero Net Energy (ZNE) buildings are spreading in communities around the country. The energy savings and environmental benefits of ZNE buildings, which produce as much energy using on-site renewables as they consume, are catching the attention of city …

New US Renewable Energy Capacity Beats Natural Gas For Fourth Year Running, Renewables Now Account For Over 20%

February 7th, 2018 by Joshua S Hill Clean Technica  For the fourth year in a row, new US electricity capacity from renewable energy sources surpassed those from natural gas, and accounted for half of all new capacity additions, according to recent figures published by the country’s Federal Energy Regulatory Commission. New electricity capacity from renewable energy sources — including biomass, geothermal, hydropower, solar, …

Little EV power from coal. 28–42% of electric car drivers in the US and Europe have home solar power, and most of the rest of the electricity to run EVs is from natural gas

Electric Cars Mostly Run On Electricity From Renewable Energy Or Natural Gas February 6th, 2018 by Jake Richardson on Clean Technica This article is part of our “CleanTechnica Answer Box” collection. In this collection of articles, we respond to dozens of common anti-cleantech myths. Myth: electric vehicles mostly run on electricity generated from coal. Short answer: Actually, electric cars in the United States mostly run on …