Battery Storage Finance

Battery Storage Finance

Commercial battery storage (BESS) finance. Funded on what it actually saves.

Batteries do several jobs at once: shaving peak demand, firming solar, keeping the line running through a dip. Funding has to respect all of them.

Typical project size , £100,000 – £5,000,000

In short

How battery storage finance works in the UK

Commercial battery storage finance spreads the cost of a BESS installation over three to seven years, normally on hire purchase or a finance lease. The case is read on avoided cost: peak demand charges, diesel burn and solar that would otherwise export cheaply. Switchgear, protection, civils and commissioning can usually sit inside the same facility.

Easier to talk it through? Call 01604 969123 or email tom@gridassetfinance.co.uk

Indicative funder criteria: Battery Storage Finance
Typical facility£100,000 to £5 million
Usual structuresHire purchase, finance lease, project finance on larger schemes
Typical term3 to 7 years
DepositVAT only to 20% or more, depending on covenant and technology
Trading historyNormally 2 years; contracted revenue can support younger businesses
What funders want to seeItemised scope, load profile, the saving or revenue case, connection status
Tax treatmentHire purchase usually lets the business claim capital allowances, including the Annual Investment Allowance. How the kit is classified decides the rate, so your accountant should confirm.
Indicative viewWithin one working day of the information arriving

Indicative ranges, not a quotation. GRID is a credit broker, not a lender. Finance subject to status.

What usually gets in the way

  • BESS business cases stack multiple revenue and saving streams, and most lenders only understand one.
  • Capacity charges and red-band demand hit the bill long before capital approval arrives.
  • Import limits stall projects that would otherwise pay for themselves.

Why businesses finance it

  • Convert a large capital ask into a monthly cost below the avoided demand charge.
  • Deploy now while the tariff spread is worth capturing.
  • Fund the enabling works, switchgear, protection, civils, not just the cabinet.

How GRID helps

Structured by people who read the load profile first.

01

We model against your half-hourly data and capacity charges, not a generic saving percentage.

02

We understand the difference between behind-the-meter peak shaving and grid-service revenue.

03

We fund the full scope including transformers, protection and controls.

Example projects

Real shapes, real structures.

Food producer, 1MW / 2MWh

Peak shaving against triad-style demand charges plus UPS resilience.

Logistics hub, 500kW

Firming depot charging so the site avoided a costly grid upgrade.

Industrial park, 2MWh

Shared storage funded across a landlord and two tenants.

Another commercial route

Compare ownership with a Power Purchase Agreement

Finance is not the only way to deliver an energy project. A PPA can avoid the upfront asset purchase in exchange for a long term agreement to buy the power produced.

Explore Power Purchase Agreements

Other project types we fund

Battery storage finance: a project we funded

Three battery power units that took the generators off tick-over

Three battery power units that took the generators off tick-over

We funded three battery power units for a national events business on a VAT only deposit, after reading a full season of generator run data.

£200,000VAT only deposit, 4 year term
Read the events and temporary power case study

FAQs

Battery Storage Finance: common questions

Practical answers on structure, cost and what funders look at. Call 01604 969123 if your question is not covered.

Can you finance a commercial battery energy storage system?

Yes. Battery energy storage is fundable as an asset, normally on hire purchase or lease over a term set against the life of the system and the savings it produces. We fund the full scope where possible, including the cabinet, inverters, transformers, protection, controls and installation works, rather than the hardware line alone.

How is battery storage finance structured?

The usual structure is a deposit, then fixed monthly or quarterly repayments across a term of five to ten years. Where the project is phased, drawdowns can be staged so money moves as the installation moves. The aim is a monthly cost that sits below the demand charges, capacity charges and imported units that the battery removes.

How much does a commercial battery storage system cost?

Cost depends on power rating in kW, storage capacity in kWh, the switchgear and protection required, and how much civil work the site needs. Two systems with the same headline kWh figure can differ substantially once the connection works are priced. We look at the quoted scope before talking about monthly figures so the numbers reflect the real project.

Does the battery need to pay for itself for finance to work?

It does not have to, but the strongest cases are the ones where it broadly does. When we model against your half hourly data, capacity charges and load profile, we can show a funder an operating case rather than an equipment invoice, and that usually improves both the appetite and the terms.

Can battery storage be funded alongside solar?

Yes, and it is common. Storage and generation are stronger together because the battery firms the solar output and shifts it into the hours the site actually needs it. Funding both in one facility keeps the paperwork and the repayment profile simple.

What if my grid connection is delayed?

That is a normal part of energy projects and it needs planning for rather than ignoring. We structure drawdowns around DNO timelines so equipment is not being repaid while it sits waiting for energisation.

What deposit is needed for battery storage finance?

It depends on the strength of the business and the maturity of the technology being installed. Established trading businesses funding well known cabinet systems can often start from a VAT only deposit, while younger businesses or newer chemistries usually need a larger contribution. We give you a realistic view before any credit search is run.

What information does a funder want for a battery storage project?

Normally the installer quote and scope of works, recent accounts, twelve months of half hourly consumption data and the site's supply capacity. The half hourly data matters most, because it is what turns a battery from an equipment purchase into an evidenced saving.

Can a battery be financed on a site we lease?

Often, yes, provided the remaining lease comfortably covers the finance term and the landlord agrees to the installation. Funders want confidence the asset stays secure and accessible for the length of the agreement, so it is worth raising the lease position at the start.

How is commercial battery storage finance assessed and repaid?

Funders read a commercial battery on what it avoids: peak demand and capacity charges, solar that would otherwise export cheaply, and diesel generator running. It is normally funded on hire purchase or a finance lease over three to seven years, with fixed monthly or quarterly repayments set against that modelled saving.

Does battery storage finance cover transformers, groundworks and the grid connection?

Usually, yes. The battery cabinet is only part of the cost. Plinths, fire and acoustic barriers, transformers, G99 protection, connection works and installation labour can normally sit in the same agreement as the hardware, subject to the funder's view on how much of the total is non-hardware cost.

A conversation, not an application

Tell us what you are trying to build.

Start with the project, not the paperwork. Tell us about the site, the equipment you are considering and what you want it to achieve. We come back within 24 hours with a clear view on how it could be funded, and an honest answer if it does not stack up.

Or call us on 01604 969123

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