What are common BTM storage use cases beyond bill savings?
Beyond cost reduction, BTM batteries support EV charging load management, grid services revenue, solar self-consumption, carbon reduction, and critical facility resilience.
While electricity cost reduction is the primary driver, BTM storage serves several other valuable functions.
EV charging load management is a growing application. As buildings add electric vehicle chargers, the associated demand spikes can significantly increase demand charges. A co-located battery can buffer EV charging load, allowing buildings to add chargers without triggering costly electrical service upgrades or inflated utility bills.
Grid services participation lets BTM batteries earn revenue by responding to utility or grid operator signals. Programs vary by market, but common ones include demand response (getting paid to reduce load during peak grid events), frequency regulation, and capacity programs. These revenue streams stack on top of bill savings.
Solar self-consumption maximization is relevant anywhere net metering compensation is declining. Rather than exporting excess solar to the grid at a low rate, the battery stores it for on-site use during expensive periods.
Carbon footprint reduction appeals to organizations with sustainability commitments. By charging from clean sources (on-site solar or grid power during low-carbon hours) and discharging during high-carbon grid periods, a BTM battery can measurably reduce a building's emissions profile.
Resilience for critical facilities — hospitals, data centers, grocery stores, water treatment plants — is increasingly driving storage adoption as extreme weather events become more frequent and grid reliability concerns grow.