Even when electricity prices are low, an energy storage system may still sell surplus power to the grid under the following circumstances:
The battery is fully charged
When the energy storage battery reaches its charging limit, and surplus photovoltaic power cannot be stored, the system will sell it to the grid, thereby increasing economic benefits.
Intelligent peak and valley arbitrage
GSL Energy's AI-powered Energy Management System (AI EMS) adjusts the battery storage strategy in response to fluctuations in electricity prices. For instance, when negative electricity prices are imminent, the system may discharge in advance to pursue peak and valley arbitrage, thereby minimizing electricity costs and maximizing revenue.
Abnormal meter wiring
If the meter, CT, or wiring direction is incorrect, the readings may be inaccurate, leading the system to misjudge the amount of electricity available for sale. It is recommended to use the Wiring Check Function to verify whether the meter wiring is correct.
GSL ENERGY recommends that users comprehensively consider battery status, peak and valley electricity prices, and meter readings when implementing photovoltaic electricity sales strategies to maximize economic benefits.