Shandong's first solar energy tunnel - Yantai Tongshi South Road tunnel will be opened later this month. The solar power station atop the tunnel has been installed in place.
The total capacity of the solar photovoltaic power plant is 100 kilowatts, currently the photovoltaic power station with the largest generating capacity in Shandong Province. They use solar power components to turn solar energy directly into electrical energy, and send energy directly to the low-voltage power grid through paralleling in.
During daytime the tunnel lighting can be provided by solar power station and at night it is supplemented by electric lighting in the city.
The power plant has an annual generation capacity of up to 138,000 kwh, able to satisfy two thirds or more of the tunnel's power consumption.
By People's Daily Online
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