With corporate contracting for large - scale wind and solar projects in the US reaching a record 4.8 billion this year , a renewables boom is being driven by virtual power purchase agreements ( VPPAs ) . These deals , contrasted with physical agreements , allow corporate buyers to focus on preferential pricing , either for cost or environmental reasons . While physical PPAs deliver energy to the local grid , VPPAs can be tailored to specific markets where appealing market prices can be achieved . Members of the Renewable Energy Buyers Association have built 14.1 GW of renewable capacity , many of them using VPPAs .
With corporate contracting for large-scale wind and solar projects in the US reaching a record 4.8 GW this year, a renewables boom is being driven by virtual power purchase agreements (VPPAs). These deals, contrasted with physical agreements, allow corporate buyers to focus on preferential projects, either for cost or environmental reasons. While physical PPAs deliver energy to the local grid, VPPAs can be tailored to specific territories where appealing market prices can be achieved. Members of the Renewable Energy Buyers Alliance have built 14.1 GW of renewable capacity, many of them using VPPAs.