Sacramento MUD to Deploy Battery System - Smart Energy Decisions

Distributed Energy Resources, GHG Emissions, Utilities  -  September 12, 2023

Sacramento MUD to Deploy Battery System

The Sacramento Municipal Utility District (SMUD), the sixth-largest community-owned electric service provider in the U.S., has begun deployment of a battery system.

ESS Tech, Inc., a manufacturer of long-duration energy storage systems (LDES) for commercial and utility-scale applications, announced it completed commissioning of six Energy Warehouse™ systems.

Under a September 2022 agreement, ESS will deliver up to 200 megawatts (MW)/2 gigawatt-hours (GWh) of iron flow LDES systems to SMUD. 

Once the system is fully operational and paired with renewable energy, 2 GWh of iron flow battery systems are expected to enable the elimination of approximately 284,000 metric tons of CO2 emissions per year from SMUD’s system. 

"SMUD is on a bold journey to eliminate all carbon emissions from our power supply by 2030 without compromising our world class reliability and rates that are consistently among the lowest in California,” said Paul Lau, CEO & General Manager of SMUD, in a statement. “We’re excited to embrace cutting-edge technologies, including through our partnership with ESS, to deliver and grow long-duration energy storage. In addition to accelerating our transition to a clean energy future, this partnership and technology will spur economic development, equitable access to clean energy and a brighter future for the entire Sacramento region.”

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