Sacramento Sodium-Ion Plant Signals New Build Work for Battery Storage Trade
Oilprice.com reports that Peak Energy is constructing a 183,000-square-foot sodium-ion battery manufacturing plant in Sacramento, California, the first US production site dedicated solely to grid-scale sodium-ion energy storage systems. The facility is designed to produce 4 gigawatt-hours of battery systems annually, enough to power nearly four million households, and is aimed at utilities looking to cut costs on peak-demand storage. Peak Energy says its passively cooled systems avoid mechanical components like fans or liquid pumps, cutting storage costs by 20% with a guaranteed uptime of 99%. Production and shipments are expected to start in the first quarter of 2027.
The project comes as Chinaโs CATL rolls out its own sodium-ion system, TENER, with domestic deliveries starting in September and global shipments planned for 2027. Oilprice.com notes that US data center power demand is expected to double to 66 gigawatts between 2025 and 2027, adding pressure to build storage capacity that doesnโt rely on China-controlled lithium supply chains.
What It Means for Subcontractors
- The Sacramento build-out points to near-term work for electrical, mechanical, and industrial-facility subs on a 183,000-square-foot plant tied to a Q1 2027 production start, meaning site work, equipment installation, and commissioning packages are likely to open well before that date.
- Passively cooled battery systems that skip fans and liquid pumps could shift the trade mix on future storage plants toward electrical and structural subs and away from HVAC and mechanical cooling crews, worth watching for firms bidding grid-storage manufacturing or deployment contracts.
- Utilities scaling up battery storage to meet a projected 66 GW jump in data center demand by 2027 signals a growing pipeline of grid-scale storage installation work nationally, a segment field service firms should track for upcoming subcontract packages as utilities move to secure US-made supply.

