Using subways as an energy source
The Southeastern Pennsylvania Transportation Authority is piloting the system that converts kinetic energy into electricity as the train slows down. A battery installed at a substation will store electricity to help power the subways.
Experts said the system could generate extra power that could be sold back to the regional power grid, according to MIT Technology Review.
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Seven small UK energy suppliers must pay renewables fees or risk losing licence
LONDON - Seven small British energy suppliers owe a total of 34 million pounds ($43.74 million) in renewables fees and could face losing their supply licences if they cannot pay, energy regulator Ofgem reports.
Under Britain’s energy market rules, suppliers of energy must meet so-called renewables obligations and feed-in tariffs which are imposed on them by the government to help fund renewable power generation.
Several small energy companies have gone bust over the past two years as they struggled to pay the renewables fees and as their profits were affected by a price cap on the most commonly used tariffs and fluctuating…
