Lightsource bp seeks green light for 600 MW hybrid project in WA

Lightsource BP has lodged a federal approval application for Narrogin East, a 600 MW hybrid project in Western Australia's Wheatbelt combining 150 MW solar, 250 MW wind, and 200 MW of battery storage (800 MWh). The $800 million facility will occupy 4,481 hectares and connect to an existing 220 kV transmission line. The developer frames the battery as enabling storage of "surplus energy during times of high renewable output" for release at peak demand, positioning it as a grid-stability tool. Approval is expected by mid-2027.

Where this fits

This project exemplifies the hidden cost of a renewables-only grid: the 800 MWh battery bank. At peak demand on a windless evening, this 200 MW battery will sustain output for four hours. Reliably firm power comes from fast-ramping gas (which Lightsource BP's parent company supplies) or nuclear. The battery is not an alternative to either. It is a cost layer on top, purchased because solar and wind are weather-dependent. Every renewables project that includes battery storage is an admission that renewables alone cannot meet dispatchable demand, and a submission to paying for firming hardware whose materials (lithium, cobalt, nickel) flow through Chinese supply chains.

What it means

A grid built on this model, renewables plus batteries plus gas backup, locks Australia into ongoing dependence on Chinese battery manufacturing and volatile commodity markets. It also defers the firm-power choice: a 600 MW nuclear plant would occupy a fraction of the land, produce full output in any weather, and require no battery layer. Instead, Australia is spending $800 million on a hybrid that will still need gas when the battery drains.