24/7 power: The future runs on storage

Renewables combined with energy storage are becoming a backbone of future power systems by improving reliability, energy security, and grid flexibility.

• Utility-scale solar-plus-storage projects can generally be completed in 2 to 3 years, faster than new gas-fired plants, while falling turnkey costs and multiple revenue streams are improving project economics.
• Storage shifts electricity from periods of surplus to periods of high demand, allowing renewable power to provide more dispatchable and near-baseload supply while reducing curtailment and improving grid stability.
• BloombergNEF estimates that solar-plus-storage can already provide around 70% of the baseload electricity required by data centers in several markets at costs competitive with combined-cycle gas turbines, with Spain, India, and parts of the Middle East particularly attractive.
• Higher baseload coverage requires oversizing solar generation and storage, increasing land use and upfront capital needs, especially in regions with weaker solar resources.
• Batteries can help relieve grid congestion by absorbing excess power and injecting it during peaks, effectively acting as a virtual transmission line and reducing the need for costly grid expansion.
• The supply chain remains exposed to volatility and concentration: lithium, nickel, and cobalt account for more than half of battery production costs, China leads key material and component production, and recycling and sodium-ion chemistries are still developing.

Takeaway: Investors can find opportunities across critical minerals, battery and solar equipment, inverters, grid infrastructure, utilities, and renewable developers, but should account for oversizing requirements, supply-chain concentration, commodity volatility, and the early stage of battery recycling.