Phase Out of Fossil Fuels by 2050 is Possible and Profitable

A new report from Greenpeace says the world can be 100 percent renewable by 2050, and 85 percent renewable in just 15 years.  The 2015 Energy [R]evolution report, the latest in a series that has offered the most accurate projections of any major analysis, worldwide, says that for the first time, the path to 100 percent renewable is cost-neutral. In …

Half of California’s Electricity Will Come from Renewable Energy in 15 Years

Late Friday night, the California State Assembly voted 51-26 to pass SB 350, a landmark bill that would boost renewable energy and make buildings twice as efficient as before. The legislature sent the bill to California Gov. Jerry Brown for his signature, and he is expected to sign it later this month, as the legislation makes real the goals Brown …

Kauai to meet evening demand with 52MWh solar storage battery

Cross-posted from PV Tech A solar farm connected to a huge battery will be built on the Hawaiian island of Kauai to use solar in the evenings to meet peak demand, under a 20-year contract between SolarCity and an electric utility co-operative. As much as 95% of daytime demand on Kauai is met by solar at present but Kaua’I Island …

Hydropower from city water pipes

While it is difficult to predict the flow of a stream and installing dams and generating hydropower can be environmentally degrading, the consistent flow in city water pipes presents a new frontier to be explored.  City systems pump water daily at a fairly constant rate, which allows for a consistent flow of energy.  It could also help safeguard cities’ hydropower …