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In February of this year, a group of power workers visited the home of He Xianjun and Lin Hairen to discuss an unusual business idea — State Grid wanted to buy electricity generated by the 20 solar panels installed on their rooftop. This marked He Xianjun as the first ordinary citizen in the province to supply power to the national grid.
More than a month later, he had already sold nearly 500 kWh of electricity. Yesterday, a reporter visited his home to take a closer look at this grassroots "power plant" located on the roof of a six-story building.
He Xianjun lives in Zhiyan Village, Youxi Town, Linhai City. He usually works in a factory, but in his spare time, he managed to install all the photovoltaic panels himself.
From the township government, the reporter quickly found his house, a six-story building. He led the way to the top floor, excitedly showing off the newly upgraded power generation system installed just over a month ago.
The two large sloped sections of the roof were fully covered with solar panels — a total of 24, each about 1.6 square meters. He explained that he bought them two years ago when prices dropped from around 5,000 to over 1,000 yuan per panel. He purchased 24 in one go, spending more than 30,000 yuan in total.
On the walls of the roof, various instruments and colorful wires were mounted. A large rectangular inverter was working nearby, making a soft humming sound. The display screen showed flashing numbers, indicating the system was active.
The entire rooftop looked like a small power station. The solar panels captured sunlight, while the inverter, instruments, and wiring converted the energy into usable electricity, which was then sent to the national grid.
On sunny days, the system could generate nearly 6 kWh per hour. For He Xianjun’s family, most of this electricity couldn’t be used immediately.
To connect to the grid, he spent over 8,000 yuan on an inverter and smart software. According to him, the inverter converts DC power from the panels into AC power, while the software allows him to monitor the electricity being sent to the grid via his phone.
In October last year, State Grid introduced a new policy encouraging distributed photovoltaic systems to feed into low-voltage networks. They promised free grid access for projects under 6 MW and full purchase of surplus power.
This encouraged He Xianjun to apply for grid connection. After installing the equipment and getting it connected by the power company — completely free of charge — he started selling excess electricity to the grid.
So far, the system has delivered 479 kWh to the national grid, though the power bureau is still "bridging the accounts." He now has a new smart meter at his front door, capable of measuring both the electricity he consumes and the power he sends back to the grid.
He calculated that by March 17th, the system had supplied 479.1 kWh. While February had fewer sunny days, he estimates an average of 500 kWh per month, totaling over 6,000 kWh annually.
Despite starting to sell electricity, he hasn’t received any payment yet. He explained that many details of the policy are still being worked out, and the exact price for the electricity remains unclear.
“I don’t mind waiting,†he said. “Honestly, I’m not too worried about the money. It feels good knowing that the National Grid is buying my electricity.â€