Although solar cells had now penetrated numerous niche markets, the cost of making them still priced them out of the market for grid-connected electricity.

尽管太阳能电池现在已经找到了一大块安身的市场，其生产成本仍然限制着它打进使用电网的市场。

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Test results of simulation system show that grid-connected voltage is synchronization with grid phase voltage.

通过对光伏并网系统的测试表明：并网电压与电网相电压同频同相。

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This data collecting and monitoring system could ensure to obtain the operation data of solar energy grid-connected PV plants.

该数据采集监测系统为获取太阳能并网光伏电站的运行数据提供保证。

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People who aren't connected to the electric grid often get their light from candles or burning wood.

VOA: standard.2009.12.13

The SeaGen project in Northern Ireland is the largest grid connected tidal turbine in the world.

BBC: UK tidal power has huge potential, say scientists

The fastest-growing technology is grid-connected solar electric power, which saw a 53% increase in installed capacity during 2009.

BBC: Renewables can fuel society, say world climate advisers

And I heard an interesting comment the other week from someone connected with grid issues - that the engineers like to have a bit of wind power in the mix because wind turbines are the easiest thing by far to switch on and off.

BBC: Nuclear fissions green movement