Standalone BESS - No SOLAR REQUIRED

Commercial Battery Energy Storage Installation -

No Solar Required.

Commercial Battery Energy Storage Installation -

No Solar Required.

A standalone battery energy storage system (BESS) targets your PG&E demand charge directly - charging from the grid during off-peak hours, discharging during the 4-9PM peak window. Imagine what behind the meter, non-exporting, and potential SGIP rebates will save your facility and business, whether you have solar or not. Take the 15 minutes to log into PG&E and download your 15-minute interval data to see what your savings would look like!

• Cold Storage & Food Distribution • Industrial Manufacturing • Warehouse & Logistics • PG&E B-10 · B-19 · B-20 Tariffs

• Cold Storage & Food Distribution

• Industrial Manufacturing • Warehouse & Logistics

• PG&E B-10 · B-19 · B-20 Tariffs

WHO This is for

You don't need solar to reduce demand charges.

The demand charge is a billing mechanism based entirely on your 15-minute peak draw from the grid. A battery that charges off-peak and discharges on-peak attacks that charge directly — with or without solar.

24-Hour Battery Cycle — PG&E B-19 Example
🔋 Off-Peak Charging 9 PM – 9 AM
☀️ Solar Top-Up 9 AM – 4 PM
⚡ Discharging 4 PM – 9 PM
🌙 Grid 9–12 PM
Approximate daily cycle — actual dispatch managed by EMS in real time
Off-peak grid charging (9 PM–9 AM) ~$0.22/kWh
On-peak grid cost avoided (4–9 PM) $0.34–$0.45/kWh
Demand charge reduced per kW $20.50/mo
Effective arbitrage per kWh cycled $0.12–$0.23 + demand savings

You already have solar. Pair an existing PV system with battery storage to capture and dispatch solar generation strategically - rather than exporting it at low NEM 3.0 rates.

Your roof isn't suitable for solar. Aged structures, complex roofline, or tenant lease restrictions. BESS only delivers demand charge reduction on a shorter timeline.

You want fastest ROI.  Standalone BESS deployments have simpler permitting, shorter interconnection timelines, and focused payback calculations.

You want to phase the investment.  Deploy BESS now to capture potentially available SGIP rebates and start saving. Add solar in a future phase when ready.

• Bay Area & North Bay • Greater Sacramento & Sacramento Valley • San Joaquin Valley • North Central Coast

• Bay Area & North Bay

• Greater Sacramento & Sacramento Valley

• San Joaquin Valley • North Central Coast

Comparison

BESS-only vs. Demand Shield (BESS + Solar) — which is right for you?

Factor BESS Only Demand Shield (BESS + Solar)
Primary savings driver Demand charges reduced Demand + energy charges
Deployment timeline 3–4 months 6–8 months
Roof suitability required No Yes (or ground/carport)
Permitting complexity Lower Moderate
SGIP rebate Yes — $250/kWh Yes — $250/kWh on battery
Total bill reduction 30–50% 70–80%
Microgrid / PSPS protection Yes (with ATS option) Yes — extended run time

Not sure which is right? Request a free analysis based on your facility's load profile.

START WITH YOUR NUMBERS

Find out how much a standalone BESS would save your facility.

Submit your PG&E interval data and we'll model the demand charge impact of BESS only, BESS + solar, and operational optimization - so you can choose the right path.

VoltBlock Infrastructure

Demand Shield Systems for Cold Storage, Food Distribution & Industrial Facilities — Northern California

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