coal, with its emissions of sulphur, mercury and soot, will continue to kill far more people per kilowatt hour than nuclear does.
而排放硫、汞和煤灰的煤炭,其每千瓦时产能所造成的死亡人数仍将远远高于核能。
when oil prices hit $147 a barrel a year ago, electricity rates approached or briefly exceeded 50 cents per kilowatt hour on maui and kauai, about five times the national average.
当油价在一年前飙升至每桶147美元时,毛伊岛(夏威夷群岛中的第二大岛)和考艾岛两地每度电的价格接近甚至超过了50美分,这是整个美国电价的5倍。
the cost per kilowatt hour of solar power is figured by estimating the total power output of the solar panel over its 20- to 25-year warranty.
太阳能输出电能的每度电成本是通过估算太阳能板在其20到25年的保修期间总输出电能来计算的。
so why do the same people support a feed-in tariff scheme under which we pay 41p per kilowatt hour for rooftop solar electricity?
如果这样的话,为什么还有人要去支持上网电价补偿计划?我们要花41便士一度电的价格买屋顶上太阳能板发的电?
wind power generation pursues cost per kilowatt hour of the electricity generated by wtgs.
风力发电追求度电成本,叶片在风机的造价中占20%的成本份额。
i started with a killawatt p4400 power meter and the u.s. department of energy average of 11 cents per kilowatt hour of electricity. after that, i estimated my own household's average device usage.
我以一只killwattp4400型电表和美国能源部每千瓦平均11美分的价格开始,之后,我评估了我家的使用的所有小设计的平均使用量。
the price of wind power has fallen from $2 per kilowatt hour in the 1970s to 5-8 cents now, compared with 2-4 cents for coal-fired power.
风能电的价格也从1970年代的每瓦特2美元降至如今的5-8美分,而煤电也不过2-4美分。
and unlike rival technologies theirs is well on the way to meeting the department’s cost criteria of a hydrogen system that costs $4 per kilowatt hour stored and less than $700 for installing it.
与科技竞争对手不同的是,他们顺利的达到能源部规定氢系统的价格标準(跟他们的竞争对手不同,他们的方案的储氢成本几乎达到了能源部设立的成本标準wellonthewayto还没达到):储存费每千瓦时4美元,安装费少于700美元。
electricity from the new plant in nevada costs an estimated 17 cents per kilowatt hour (kwh), but projections suggest that csp power could fall to below ten cents per kwh as the technology improves.
内华达新电站的电费估计是17美分/千瓦小时(kwh),但是预测估算随着技术的不断改进,csp的电费可能会低于10美分/kwh。