The Californian city’s council has voted to switch immediately to 100% carbon-free electricity, at an average cost to homeowners of less than $3 per year.
Pumped storage turbine design with a storage tank on the ocean floor offers efficiency comparable to conventional onshore systems.
The latest Cedex report finds the total amount of electricity supplied by Australia’s coal-fired generators at its lowest level in the history of the NEM. But while the report links the introduction of the carbon price to falling emissions and rising renewables output, the reduced demand for coal looks more like the new normal.
New research from UNSW shows that a medium-level carbon price of between $50-$100 would be sufficient to see all fossil-fuelled power stations in Australia’s National Electricity Market phased out and replaced ‘economically and reliably’ with commercially available renewable energy technologies.
IEA report charts path for doubling of global hydroelectricity output, urging developing economies to tap significant renewables growth potential.
State-owned energy company posts operating profit of $103 million for FY2011-12, predicts $140m boost from increased generation and carbon price.
Origin is not in the market for any new wind farms; rooftop solar is changing demand profiles, although its own installations have fallen sharply; Origin’s experience with cutting-edge technologies has been painful; better renewables opportunities lie overseas; and the RET review is good.