PentaBESS for business

Commercial and industrial battery storage

Peak shaving, demand charge management and outage cover for factories, telecom sites and commercial property, built on the 261 kWh PentaVault Citadel.

Request a load study Citadel specifications

Capacity per cabinet: 261 kWh
Continuous power: 125 kW
Cooling: Liquid, IP54
Scaling: Parallel cabinets

The commercial case

Industrial storage earns its cost three different ways

For a household, a battery is mostly about avoided imports and keeping the lights on. On an industrial site the arithmetic is wider, because an industrial electricity bill has more than one component to attack.

The first is the unit rate. Discharging through peak tariff hours and recharging when rates fall reduces what the same consumption costs. The second is the maximum demand charge, which is set by your highest half hour rather than your total usage. The third is continuity, where a single lost shift can exceed a year of tariff savings.

A proposal that counts only the first of those three understates the case, and most do. We model all three against your actual load profile before quoting a cabinet count.

Peak tariff arbitrage across the working day
Maximum demand charge reduction, billed on your worst half hour
Production continuity through unplanned outages

Industrial tariffs charge for the highest half hour of demand across the whole month, not just for the units consumed. A battery discharging through those peaks lowers the recorded maximum demand, and that single number can move the bill more than the generation does.

PentaVault Citadel 261 kWh liquid cooled industrial battery cabinet installed on a plinth inside a factory, with rooftop solar panels visible through the window

One cabinet, 261 kWh, 125 kW continuous

Liquid cooled and IP54 rated, so it holds its capacity through a Multan summer rather than derating when you need it most. Cabinets run in parallel as the site grows.

The Citadel at a glance

Capacity per cabinet: 261 kWh
Continuous output: 125 kW
Protection rating: IP54
Operating range, Celsius: -30 to 55

Applications

Where we deploy industrial storage

Manufacturing and processing
Carry production through outages so a shift is not lost, and shave the peak tariff window without changing how the plant runs.
Telecom and remote sites
Replace ageing lead-acid banks with one sealed liquid cooled cabinet that holds capacity in shelters above 45 degrees.
Commercial property and retail
Run HVAC, refrigeration and lighting through extended outages, and store rooftop generation that would otherwise be curtailed.
Cold chain and warehousing
Protect stock through interruptions where the cost of failure is inventory rather than inconvenience.

How a project runs

From load study to commissioned cabinet

Nothing is quoted before the load profile is understood, because on an industrial site the wrong cabinet count is an expensive mistake in both directions.

1
Load study
Week 1
Interval data where the meter provides it, or twelve months of bills, connected load, and which circuits must survive an outage.
2
Modelling and proposal
Week 2
Tariff arbitrage, demand charge reduction and continuity value modelled separately, so you can see which one is carrying the return.
3
Design and approvals
Weeks 3 to 5
Single line diagram, protection coordination, civil works for the plinth, and any distribution company approvals the connection requires.
4
Install and commission
Weeks 6 to 10
Installation, protection testing, controller configuration against your tariff windows, and handover documentation with the as-built settings.

Engineering

Questions from commercial buyers

How is a system this size specified?

From your load profile and your tariff structure. We need interval data or at minimum twelve months of bills, the connected load, and an understanding of which circuits must survive an outage. The cabinet count follows from that rather than from a rule of thumb.

Can storage be added to an existing solar installation?

In most cases yes, subject to the inverter and the switchgear. The audit that precedes a proposal establishes whether the existing equipment can be retained or needs changing, and we will tell you plainly if retrofitting is not the economical route.

What happens to capacity in Pakistani summer conditions?

This is exactly why the Citadel is liquid cooled rather than passively cooled. Passive cabinets lose usable capacity as ambient temperature rises, which is a real effect on a Multan or Sialkot site rather than a theoretical one.

How quickly does storage pay back on an industrial site?

It depends far more on your tariff structure than on the equipment. Sites with a high maximum demand charge and a pronounced peak profile see the fastest return, because the demand charge falls immediately. Sites with flat consumption and a low demand component take longer. The load study tells you which you are before you commit.

Who is responsible after commissioning?

We are. The same company designs the installation, supplies the storage and carries the maintenance contract, so there is no supplier to refer you to when something needs attention.

Where to next

Send us twelve months of bills and we will model the return

A load study costs you nothing and produces three separate numbers: tariff saving, demand charge reduction and the value of continuity. You will see which one is carrying the case before anyone quotes a cabinet.

Request a load study See the Citadel