Using subways as an energy source
PHILADELPHIA, PENNSYLVANIA - Subway trains in Philadelphia may soon help generate electricity using new braking systems and a smart-grid technology.
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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Nova Scotia's last paper mill seeks new discount electricity rate
HALIFAX - Nova Scotia Power is scheduled to appear before government regulators Tuesday morning seeking approval for a unique discount rate for its largest customer.
Under the four-year plan, Nova Scotia Power would control the supply of electricity to Port Hawkesbury Paper, with the right to direct the company to increase or reduce daily consumption throughout the year.
The rate proposal is supported by the mill, which says it needs to lower its power bill to keep its operation viable.
The rate went into effect on Jan. 1 on a temporary basis, pending the outcome of a hearing this week before the Nova…
