To fully capture the benefits of renewable energy, grid operators need to effectively manage its integration onto a grid that’s accustomed to steady blocks of power and a relatively stable load. Energy storage, coupled with intelligent software controls, is the ideal resource to directly manage the intermittency of wind and solar. Such a system can provide instantaneous frequency response, voltage support, and ramp control, allowing renewable energy output to integrate seamlessly into grid operations.
One example is the Azorean island of Graciosa, where the world’s first stand-alone battery-based energy system with up to 100% renewables is nearing completion. The system will ensure a stable and reliable electricity supply to the island’s 4,500 inhabitants, even at night and when there is no wind. It will also allow the island’s diesel generator to remain switched off most of the time.
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