These systems aim to store renewable energy, such as offshore wind power generated at night, for use during peak demand periods, potentially reducing the need for traditional substations and extensive infrastructure upgrades. . Massachusetts has passed a bold energy storage mandate. It requires investor-owned utilities to secure 5,000 megawatts (MW) of storage by 2030. This includes 3,500 MW of mid-duration, 750 MW of long-duration, and another 750 MW for multi-day storage. The goal is to modernize the grid and integrate. . Convergent Energy and Power will finance, own and operate the energy storage system for the West Boylston Municipal Light Plant. at its regular meeting last week. In addition, the board recommended approval of a special permit and variances for the project when it comes before the zoning. . Helix Power delivers energy storage for large power imbalance conditions Meet Kevin, Matthew and Philip that work here Helix Power has developed a kinetic battery system that acts as a shock absorber for large power imbalance conditions.