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Commercial Battery Energy Storage (BESS)

Experts in Renewable Energy

Battery Energy Storage Systems (BESS) store excess power from renewable energy sources (eg solar PV panels) or cheap off-peak electricity for later use.

Commercial battery storage units are usually fitted with power management systems that are set to charge at certain times or when surplus energy is generated. These systems are designed to be integrated with (and maximise) renewables and existing supplies. Battery storage gives businesses much more control over their energy usage and management.

You can use commercial battery storage to save money in a number of ways:

  • Reduce bills and operational costs by ‘peak shaving‘. This means charging during cheaper off-peak hours when tariffs are low, then discharging electricity when prices are highest.
  • Reduce energydemand charges‘, i.e. the fees charged by many commercial tariffs during high usage periods.
  • Manage your energy more effectively by ‘load shifting‘; spreading the electricity used for high-power activities (e.g. machinery) throughout the day
  • Protect against wholesale energy price rises and market volatility with a more secure supply. This can also provide back-up support and resilience during power outages.
  • Manage long-term financial planning better as energy usage is more predictable.
  • Generate new revenue and be paid to reduce or increase energy use via Demand-Side Response (DSR) schemes, or by selling stored electricity back to the grid.

Commercial battery storage systems are connected to the National Grid but operate independently. They’re an ideal solution to provide extra capacity, resilience, and back-up power in the event of outages, securing your future supply in a volatile energy market.

We can help your organisation choose the right system for your requirements, whether that’s large-scale industrial or smaller systems for SMEs. Our expert team can help at every step, including planning permissions, grid connection applications, installation and maintenance.

Contact our energy consultant for a free assessment and guidance.

How does it work?

Step 1

Contact us to discuss your requirements - we will discuss your current energy usage, systems, and tariffs, budget, timescales, and any low-carbon goals.

Step 2

We will visit your property to assess its suitability for various options - size, access, age, insulation, number of/proximity to other properties, and your existing systems will all influence our recommendation. We will also advise and assist with any relevant applications for government grant funding or to eg UK Power Networks/National Grid if required.

Step 3

Once a solution has been agreed, we will arrange an installation date and timescale at your convenience. Depending on the system you have chosen, we will advise on any preparation required - typically this is minimal.

Step 3

Once the system has been installed and tested, we will walk you through the controls and give you a thorough handover, along with all operating and maintenance and warranty documents.

Speak to one of our Energy Experts

Book a review with our energy consultants

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FAQs for organisations

The UK government has committed nearly £5 billion in funding to help businesses in reaching net-zero emissions by 2050. This covers government grants, tax relief, and specialised green loans, with some examples as follows:

SMEs can apply for Green Business Grants to install technologies that reduce carbon emissions, such as LED lighting and solar PV panels – available until March 2026. The Workplace Charging Scheme (WCS) can provide up to £15,000 off the cost of installing Electric Vehicle chargers. And local authorities often provide bespoke funding for energy efficiency improvements.

Power Purchase Agreements (PPAs) offer a “zero-capital” option where a third-party developer installs and maintains renewable equipment (like solar) on your site at no upfront cost, and you buy the electricity at a fixed, discounted rate. 

In addition, many major banks offer loans for sustainable investments (e.g., Lloyds Clean Growth Financing, Barclays Green Loans, NatWest Green Loans) with features like lower interest rates, no arrangement fees, or cashback rewards.

We will review your requirements in detail and conduct a site survey and energy audit to determine the best technology, calculate your energy profile, and assess structural suitability.

Most commercial rooftops, warehouses, and ground-mounted areas are suitable. South-facing roofs offer the highest output, but east/west splits are effective for daytime energy usage.

We aim for minimal disruption, working around business hours if required. A standard commercial installation can take from a few days to a few weeks, depending on the system, scale, and property. 

As an NICEIC Approved Contractor, we are regulated by the UK’s largest voluntary register of electrical businesses, which assesses the installation work of over 36,000 contractors.

We are a verified Constructionline Gold contractor, working to enhanced PAS 91 criteria and validated as ‘Deemed to Satisfy’ for SSIP, meeting pre-qualification standards such as the Common Assessment Standard (CAS). We are a member of the Electrical Contractors Association, and Safe Contractor Approval shows our business is safe, ethical, and financially stable.

We also hold several specific renewable energy accreditations, including MCS certification for small-scale installations (e.g. solar panels, battery storage, heat pumps), membership of the Renewable Energy Consumer Code (RECC), and are a Trusted Partner of Octopus Energy.

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