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Reliable power, predictable energy bills

  1. Get a cutting edge solar and storage system
  2. Protect against outages
  3. Learn why over 1 million customers rely on E3 Energy.

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Commercial battery storage and solar, sized from your load data

Cut peak demand charges, shift load off expensive tariff windows, and keep critical operations running through an outage. We size every system from your interval data and model the payback before you commit.

SigenStack modular BESS

Sigenergy’s modular battery energy storage system (BESS). LFP (lithium iron phosphate) cells for thermal stability, stacked in 12.06 kWh modules so capacity scales with the site — from a single cabinet to 253 kWh. See full specs below.

What a commercial system does for your site

Battery and solar configured for factories, warehouses, retail and office sites. Each function below maps to a line on your bill.

Peak demand reduction

Backup power

Solar integration

Load shifting

EV charging

Why E3 for a commercial install

Scalable Commercial ESS

We design from your interval data and tariff structure, then specify capacity — modular, so you add cabinets as load grows rather than over-buying on day one.

The EMS (energy management system) and BMS (battery management system) handle real-time monitoring, load balancing and automated peak-demand response — so the system acts on your tariff windows without manual intervention.

Ride through grid outages on nominated circuits — refrigeration, process equipment, comms. We size backup to the load you tell us must never drop.

The same team runs design, installation and commissioning — residential through to larger commercial sites. You are not handed to a sub-contractor mid-project. We also work with EPC contractors and installers on partner projects.

Personal Experienced
Manager

Proven Commercial Energy Performance

Where peak-demand charges dominate a bill, the demand-reduction line is usually where the payback comes from. We model it for your site before you commit — no generic percentages.

Up To 40%

Where demand charges dominate your bill

99.9%

System operational reliability.

24/7

Continuous backup power support.

10+ Years

ESS project experience.

Commercial & Industrial

The SigStack is the commercial-scale battery we deploy most often. Core specs below; we confirm the configuration against your load during the assessment.

SigStack

  • Brand: Sigenergy
  • Battery Type: LFP (LiFePO₄)
  • Energy Capacity:12.06kWh/module
  • Max System Energy Capacity: 253kWh
  • Depth of Discharge: 96.7%
  • Dimensions in mm (W*D*H): 770*363*2543(84.42kWh)
  • Ingress Protection: IP66

Get a free personalized quote

Reliable power, predictable energy bills

  1. Get a cutting edge solar and storage system
  2. Protect against outages
  3. Learn why over 1 million customers rely on E3 Energy
Premium kit, accredited installs