A new way to imagine grid stability

To ensure that the US electric grid remains stable and resilient, power generators in three main regions (Eastern, Western, and Texas) must be synchronized, all operating at the frequency of 60 hertz. Because generators interact ...

High renewable electricity growth continued in 2015

The 2015 Renewable Energy Data Book shows that U.S. renewable electricity grew to 16.7 percent of total installed capacity and 13.8 percent of total electricity generation during the past year. Published annually by the National ...

Crowdfunding a renewable future

One issue with small-scale, home-based renewable energy systems is that initial setup costs can be high. This puts such installations out of reach for some sectors of society, even if they could benefit financial in the long ...

Buyer beware: Solar power may be missing key ingredient

Want to cut reliance on your fossil-fuel-burning utility, but don't have space for solar panels? Easy, the sales pitch goes, buy a share in the new "community solar array" being built on the outskirts of town.

Training the next generation of power engineers

Most people only think about the electricity that powers our homes and gadgets when it isn't there. When the power is humming, we tend to take it for granted. The trouble is, the network that delivers the electricity to keep ...

Smart money is on storing energy, not carbon, says economist

The question of whether the future will be powered by coal and oil or by renewable energy is crucially important, both to the medium-term future of the Australian economy and to the long-term future of the planet. For either ...

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