1. Individuals: individuals own their own photovoltaic power generation equipment and want to sell the generated power to power companies or other power buyers. In this case, the individual can sign a photovoltaic purchase and sale agreement with the electricity purchaser, and stipulate the price and time limit of electricity sales.
2. Company: The company owns photovoltaic power generation equipment and wants to sign an agreement with power companies or other power buyers to sell the generated electricity. The company can sign a photovoltaic purchase and sale agreement on behalf of the photovoltaic project, which includes the price of electricity purchase, the scope of power supply, the responsibilities and obligations of electricity, etc.