Major state projects Transforming the state of NSW Affordable. Clean. Reliable. Energy for everyone. Upgrading the electricity network to power our state now and for the next generation.east Pumped Hydro Roadmap Pumped hydro energy storage is “nature’s battery” and its ability to act as a long-term bulk storage facility.east The shift to renewables The energy sector is undergoing a transformation. The share of renewable energy in our electricity supply mix is continuing to grow and play a critical role in helping us reduce our emissions. east Our government partners EnergyCo east Water NSW east Regional NSW east Investment NSW east