Jan 29, 2016

Japan power use drops to 17-year-low amid slower economic growth

Power usage in Japan dropped last year to the lowest level since 1998 as households and businesses conserved electricity amid a stagnant economy and shrinking population. The country consumed 806.03 terawatt-hours of electricity from Japan’s 10 regional power utilities, down 2.7 percent from 2014, ...

Dec 24, 2015

U.S. Christmas lights use more energy than some entire countries

American household Christmas lights, a favorite holiday tradition, use up more electricity than some poorer countries — such as El Salvador or Ethiopia — do in a year. Bright lights strung on American trees, rooftops and lawns account for 6.63 billion kilowatt hours of ...

Oct 31, 2015

Review of feed-in tariff system

Besides boosting the use of renewable energy, the government's review of the feed-in tariff system should also correct the overreliance on solar power among the various forms of alternative sources.

Science makes progress toward a more powerful lithium-air battery

Oct 30, 2015

Science makes progress toward a more powerful lithium-air battery

A new kind of chemistry could power lithium-air batteries over long-standing technological hurdles, leading toward a product that may one day be strong enough to replace gasoline in cars, researchers said Thursday. Rechargeable batteries have been around for decades — the lithium-ion battery that ...

Oct 26, 2015

Sumitomo wins thermal power plant order in Turkmenistan

Sumitomo Corp. said Monday it has received a ¥36 billion order from Turkmenistan’s state-run power firm to build a gas-fired thermal power plant. The major trading house said it hoped the order for the 400-megawatt plant will strengthen its electricity business in Central Asia. ...

Sep 27, 2015

Misplaced emphasis on coal

The government and the power industry should rethink their emphasis on coal as a cheap alternative to nuclear energy in view of the impact on the nation's efforts against climate change.

Hitachi plans wind energy parts production line

Sep 2, 2015

Hitachi plans wind energy parts production line

Hitachi Ltd. plans to expand its reach into the market for offshore wind projects by adding a production line to make key turbine parts used in some of the largest wind-generation systems currently available. The Tokyo-based company is considering adding a line to produce ...