Lithium iron phosphate (LFP)
Safer chemistry, better cycle life, lower fire risk. Standard across our commercial fleet for indoor and outdoor cabinets.
Energy Storage Solutions
Battery storage that pays for itself on the demand charges alone.
Under California's NEM 3.0, solar-only projects no longer pencil the way they did. Storage changes the math: it shifts solar production into peak windows, flattens demand charges, and earns SGIP rebates per kWh of installed capacity. We size every battery to your interval data, not a catalog spec.
- SGIP Per-kWh rebate
- UL 9540A Safety-listed systems
- 4 hr Typical discharge
- PSPS Outage ride-through
Why Energy Storage Solutions matter for California businesses.
California has the most aggressive commercial demand-charge structures in the United States. Storage is the single most effective lever to flatten those bills: it discharges into your peak window, eliminates the highest demand-rate tier, and stacks the SGIP rebate on top. Paired with solar, it also gives you genuine resiliency during PSPS events — something a standalone solar array cannot deliver.
What we deliver
Inside our energy storage solutions scope.
UL 9540A-listed systems
Every system passes UL 9540A thermal-runaway testing. Required by most California fire authorities for commercial battery installations.
SGIP-eligible system design
We size and configure the battery to maximize SGIP per-kWh rebate, including the equity, equity resiliency and small-business carve-outs where eligible.
Demand-charge reduction modeling
We pull your 15-minute interval data and model the exact demand-charge offset before you sign. No "typical case" hand-waving.
PSPS / outage ride-through
Critical-load panels and inverter-paired storage allow the site to island during grid outages. Configurable backup duration based on which loads you must keep alive.
AC- or DC-coupled with the array
We pick the topology based on your existing solar (if any), your discharge windows and your inverter sizing. Either path, one warranty.
Technical specs
The numbers behind the design.
- Chemistry
- LFP (lithium iron phosphate)
- Capacity
- 50 kWh – 4 MWh per project
- Discharge duration
- 2 hr / 4 hr / 6 hr standard
- Round-trip efficiency
- ~88% AC-AC
- Safety listing
- UL 9540A; UL 9540 system listing
- Cycle warranty
- 10 years / 6,000 cycles standard
- Topology
- AC- or DC-coupled; islanding capable
- Telemetry
- Modbus TCP, OpenADR 2.0b, REST API
How it works
From assessment to commissioned system.
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1
Interval data analysis
We need 12 months of 15-minute interval data. From it we model your demand peaks, your tariff structure and your real demand-charge exposure.
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2
Sizing + SGIP modeling
We size the battery to maximize $/kWh of demand-charge reduction and stack the SGIP rebate. The proposal shows the trade-off curve, not just one option.
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3
Permit + interconnect
Battery permits go through both the local building department and the fire authority. We file all of it and coordinate utility interconnection for export-capable systems.
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4
Commission + tune
We commission the battery, validate the dispatch logic against the actual load profile, and re-tune the schedule after the first month of real data.
Frequently asked
Common questions, straight answers.
How big a battery do I need?
Battery sizing is driven by your demand-charge structure, not your kWh consumption. Most of our commercial projects fall between 100 kWh and 1 MWh, with 4-hour discharge being the sweet spot under current SGIP rules.
Will the battery let me ride through a PSPS or grid outage?
Yes — with the right configuration. We add a critical-load panel that the battery can island, and you choose which loads must stay alive. Run-time depends on battery sizing vs. the critical-load profile.
What is SGIP, and how much does it pay?
SGIP is California's Self-Generation Incentive Program, paid per kWh of battery capacity installed. The base rate is modest, but equity, equity resiliency and small-business carve-outs significantly raise it. We model the exact per-kWh rate during sizing.
Is lithium-ion safe to install at a commercial site?
Modern LFP chemistry plus UL 9540A-listed systems make commercial battery installations as safe as any other major electrical equipment. We comply with NFPA 855 spacing, and most California fire authorities have a clear submittal pathway.
Can I add storage to an existing solar array?
Almost always, yes. We typically AC-couple a battery to an existing string-inverter array; the SGIP rebate is independent of when the solar was installed.
Does NEM 3.0 hurt my solar economics?
NEM 3.0 dramatically reduces the value of exported solar. Storage solves that by self-consuming production into evening peak windows, where the avoided cost is much higher than the export rate. Almost every new commercial project we design is solar-plus-storage.
What is the typical payback for storage?
When sized for demand-charge reduction and stacked with SGIP, most commercial storage projects pay back in 5–7 years and deliver 12–20%+ IRR over a 15-year horizon. We show the full sensitivity curve before you sign.
Get started
See the numbers on your parking lot — no obligation.
A free custom report includes a production estimate, a 30-year cash-flow model with ITC, MACRS and SGIP, and a structural fit-check based on your parking layout. Or skip ahead and book a 30-minute call with our California-based team.
- 48-hour report turnaround
- No obligation, no sales pressure
- California-based, statewide reach