Battery costs have dropped 90% since 2010, but installation and integration costs remain stubbornly high for grid-scale deployments.
Revenue stacking is essential. No single market mechanism provides enough revenue for BESS projects to achieve acceptable returns alone.
Ireland's DS3 system services remain the most lucrative revenue stream, but contract volumes are limited and competition is intensifying.
The merchant risk is real. Wholesale arbitrage revenues are volatile and heavily dependent on weather patterns and gas prices.
Why the projected arbitrage revenues in most BESS business cases don't survive contact with real market data.
A look at how Ireland's ancillary services market is structured and why smaller operators are getting squeezed.
Comparing lithium-ion and vanadium flow batteries for 4-hour duration storage applications on the Irish grid.
Stated IRRs of 5-6% don't reconcile with actual cash flows. We did the math so you don't have to.
What happens to battery storage economics during extended low-wind periods? Spoiler: it's not pretty.
Grid operators, developers, and financiers share their unfiltered thoughts on Ireland's storage ambitions.