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Customer Self-Supply (CSS) enables customers to only install private rooftop solar systems that do not export power to the utility grid. These systems can incorporate the use of energy storage devices, like batteries. All power produced by the customer either has to be used as it is produced or stored for later use.
Because CSS systems don’t send energy to the grid, they are eligible for expedited review and approval even in areas with existing voltage limitations. Credits are not available for CSS systems and minimum billing requirements apply.
The safe, reliable operation of the grid is important to everyone. The combination of utility system upgrades and leading-edge, customer-facing technology is providing new opportunities to connect more private rooftop solar systems in less time with greater efficiency. All new systems in Hawaii are now required to use advanced inverters that help maintain a stable and reliable grid. Click here for more information on how advanced inverters work and what it means for your system.