Let’s start with the ABCs: what are inertia services on an electricity grid? Even before that, what is inertia in a grid setting? Most of us should remember “inertia” from our younger years in primary school. Inertia is an object’s natural inclination to just keep moving (if it weren’t for … [continued]
A new online electricity network mapping tool is currently being developed via a partnership between the UTS’s Institute for Sustainable Futures, Ergon Energy, the Australian Renewable Energy Agency, TransGrid, the New South Wales Department of Trade and Investment, and ElectraNet. This “series of detailed online network opportunity maps” is being … [continued]
German rooftops about this size accounted for over 1.8 GW of solar that was installed there last year. German solar power has been very rapidly expanding, because it has generous Feed-in Tariffs that pay solar owners to make power for the grid. This is a sensible policy, as the prospect … [continued]
Thanks to a Feed-in Tariff program it began in 2007 that resulted in a fivefold jump in installs, individual Italians are now installing solar on buildings at the astounding rate of 250 MW, or the size of a typical power station, every two months, in a seeming vindication of a … [continued]
Yesterday the California legislature just raised the allowable limit on rooftop power from 2.5% of our grid to 5%, because we were in danger of exceeding the 2.5% – within a matter of months. The net-metering limit was about to be breached. [social_buttons] Net metering is like roll-over minutes on … [continued]
This weekend the main Chinese legislature adopted an amendment to the renewable energy law, requiring that utilities buy all the electricity produced by renewable energy generators. Power enterprises refusing to buy power produced by renewable energy generators would be fined up to an amount double that of the economic loss of the renewable energy company.
Which state makes 15 percent of its electricity entirely from wind power? Iowa. In 2006, according to the Iowa Utilities Board, wind power provided 5 percent of the state’s electricity. Now, just three years later, Iowa produces between 15 and 17 percent of its own electricity from wind power. MidAmerican … [continued]
