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Battery Storage Companies in Sheffield: 26 Active Firms (2026)
Battery storage companies develop, operate and support grid-scale energy storage assets across Sheffield’s metropolitan area.
Buying activity tends to sit with infrastructure, energy-procurement and engineering teams rather than general facilities teams. Typical customers are commercial, industrial, utility and infrastructure buyers that need storage assets connected, optimised or maintained around existing power demand. Engagements are usually project-led: development support, power-conversion work, operations services, asset optimisation and network-facing engineering. The cohort therefore leans towards specialist suppliers and asset-owning vehicles rather than volume software sellers, with commercial progress tied to grid access, site control and the ability to manage technical delivery across South Yorkshire energy projects.
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Sheffield has 26 actively trading battery storage companies in this list, making it a small but identifiable local cohort rather than a broad general-energy population. Only 4 have turnover above £5M, while 5 were incorporated since 2022, so the market includes a mix of established project businesses and newer asset or services vehicles. Reported headcount totals 229 employees, which points to a visible engineering and operations footprint, though many firms still appear to run with lean staffing relative to the capital intensity of storage projects.
Battery storage sits between project development, energy trading and grid-connection work, so the operating context is set less by a single licence and more by connection agreements, planning conditions, metering rules and revenue-stack eligibility. Sheffield-area firms are likely to face practical constraints around network capacity, land rights, fire-safety documentation, insurance and the terms under which stored power can be dispatched or sold. For researchers, the main distinction is between asset owners taking market-price exposure and engineering or optimisation providers selling services into those projects.
The cohort appears weighted towards small asset owners, developers and engineering services firms rather than scaled platform operators. That shape tends to produce uneven progression: some businesses move with project pipelines and connection milestones, while others remain as lean special-purpose entities until a site becomes commercially viable. Consolidation looks plausible where owners need operating scale, financing access or optimisation capability, but local services firms may also persist as subcontractors to larger infrastructure buyers. The direction of the market is likely to be set by grid access and flexibility-market economics rather than by general demand alone.
26
Active firms
2026
4
Above £5M
reported revenue
5
Since 2022
incorporated firms
Key facts
About 15% of the trading cohort reports turnover above £5M (4 of 26 firms) — the rest sits below that revenue band.
19% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.
Sheffield’s battery storage firms operate around grid-scale assets that help match supply and demand in the UK power system.
The local market spans asset-owning operators, technical services businesses and engineering-led support firms rather than one standard operating model.
Project-company structures appear in the mix, alongside service-led businesses that support storage assets rather than own them directly.
Top Sheffield Battery Storage companies
Dunamis
Designs and delivers high‑voltage electrical infrastructure and grid connections as an independent connection provider. Provides turnkey design, engineering and construction of networks up to 132kV…
Serves UK businesses and project developers in solar, battery storage, onshore wind, and industrial/commercial sectors, including renewable energy operators and infrastructure investors.
Location
EMSC (UK) Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and manufactures voltage optimisation systems, low‑loss transformers, and battery energy storage systems for commercial and industrial power management. Also provides feasibility studies,…
Serves B2B commercial and industrial organisations with energy-intensive sites, including facilities, engineering and sustainability teams seeking lower energy costs, power resilience and support for…
Financial Health
WeakWeak · Hiring · 16% CAGR over 3y
Location
VOLTALIS UK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides demand‑response energy management systems for homes and businesses. Installs smart thermostats and gateway devices on electric heating and cooling appliances, connecting them to a network…
Serves homeowners, landlords, public institutions and companies with residential or commercial properties using electric heating or cooling, including customers seeking lower energy costs and…
Financial Health
HealthyHealthy · 0% CAGR over 3y
Location
Midland Renewables Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsInstalls renewable energy and heating systems including air source heat pumps, solar photovoltaic panels, battery storage, underfloor heating, radiators, and mechanical ventilation with heat recovery…
Serves homeowners, self-builders and commercial property owners seeking renewable heating, solar and ventilation systems, with customers in Sheffield, surrounding areas and nationwide.
Financial Health
StrongStrong · Hiring · 8% CAGR over 5y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and operates renewable energy infrastructure including solar, wind and battery storage projects. Also develops green hydrogen and ammonia energy projects and provides AI‑enabled digital…
Serves utilities, commercial and industrial energy users, grid operators and energy-market participants globally, including shipping, mining, transport, heavy manufacturing and AI data centres.
Financial Health
StrongStrong · 71% CAGR over 3y
Location
E-GENER8 LTD
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsInstalls renewable energy systems for homes and businesses, including solar photovoltaic panels, battery storage, air source heat pumps and electric vehicle chargers. Provides system design,…
Sells to homeowners, businesses and industrial organisations seeking renewable energy systems, including solar PV, battery storage, heat pumps and EV chargers. Serves domestic, commercial and…
Financial Health
StrongStrong · 10% CAGR over 2y
Location
Team Renewables Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and installs solar photovoltaic (PV) systems, battery storage and electric vehicle charging points for residential and commercial properties. Also provides feasibility studies, electrical…
Serves both B2C and B2B markets: homeowners, commercial building owners, businesses and industrial sites, plus project partners needing renewable energy consultation or contracting support.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Calder Electrical Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services for domestic, commercial and industrial clients, including electrical installations, maintenance and call-outs. Installs EV chargers, LED lighting, consumer…
Serves a mix of domestic, commercial and industrial customers, including homeowners, landlords, new-build projects, businesses and organisations across Wakefield, Yorkshire and beyond that need…
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
Location
A Coole Electrical Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services including installation and maintenance of power and lighting systems, EV charging points, solar PV and battery storage, smart meters, and isolation switches,…
Targets a mix of B2B, public sector and residential customers across the UK, including commercial and industrial sites, retailers, offices, care homes, education providers, housing associations,…
Financial Health
HealthyHealthy · -9% CAGR over 2y
Location
SOLAR ENERGY GROUP LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsInstalls solar photovoltaic systems, battery storage units and electric vehicle charging points for residential and commercial properties. Provides system design, supply and installation of renewable…
Serves homeowners and business managers across the UK, including domestic, commercial and industrial property owners seeking solar, battery storage, EV charging, off-grid systems or maintenance.
Financial Health
StableStable
Location
TURBINE MARKETING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and installs renewable energy systems for residential and commercial properties, including solar photovoltaic panels, battery storage and air source heat pumps. Provides system design, site…
Serves UK homeowners and commercial property owners, including businesses with larger sites, seeking lower energy bills through solar, battery storage or low-carbon heating options.
Financial Health
WeakWeak · -6% CAGR over 4y
Location
Marvel Heating & Renewable Energy Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides design, installation and servicing of renewable and domestic heating systems including heat pumps, solar PV panels, battery storage, boilers and underfloor heating, alongside gas and…
Serves homeowners, businesses, commercial farms and public sector organisations seeking renewable energy and heating upgrades, from single-home projects to larger commercial sites.
Financial Health
StrongStrong · Growing · 1% CAGR over 4y
Location
THE MATRIX ACADEMY LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and installs renewable energy systems for domestic and commercial properties, including air and ground source heat pumps, biomass boilers, solar PV and thermal panels, battery storage and EV…
Serves homeowners, small businesses and commercial property owners seeking renewable energy systems, plus housing developers needing energy assessments and industry partners such as renewable energy…
Financial Health
DistressedDistressed
Location
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How Sheffield Battery Storage companies work and how to sell to them
What they do
Revenue usually comes from a mix of project fees, engineering services, asset-operation income and optimisation upside. Battery storage firms may develop sites, own storage assets, provide power-conversion and control engineering, or manage dispatch for assets that earn revenue from flexibility, balancing and wholesale-price movements. Engagements are rarely casual purchases: even service-led work is shaped by site surveys, connection studies, safety cases, warranties and commissioning requirements. Pricing often combines fixed project milestones with ongoing maintenance, monitoring or availability fees, while asset owners carry more exposure to electricity-market spreads and grid-service revenues.
Who they sell to
Customers are typically commercial landlords, manufacturers, utilities, public-infrastructure owners, energy developers and larger engineering contractors. The buying group tends to include energy managers, project directors, heads of engineering, finance leads and procurement teams, with network specialists involved where grid access is material. Smaller distributed-storage projects may move through direct relationships and technical proposals, while larger schemes often involve tenders, framework procurement or partner-led delivery through construction and electrical contractors. Sales cycles tend to be measured in months because buyers need site control, connection clarity, safety approval and internal capital sign-off before committing.
What they buy
Most Sheffield battery storage firms tend to spend on electrical engineering support, grid-connection advice, planning and land services, insurance, legal work, accounting, recruitment and specialist health-and-safety documentation. On the software side, common needs include CRM, project pipeline tracking, asset monitoring, metering, billing, field-service management, security, analytics and finance systems. Operators with live assets also need communications hardware, industrial control support, telemetry, maintenance contractors and forecasting tools. Firms developing projects may be more interested in site-origination support, investor reporting and bid-management services than in generic office software.
Why and how to sell to them
Commercial intent often appears when a storage firm moves from development into construction, adds operations responsibility, wins a services contract, hires engineering or finance leadership, or starts preparing investor and lender reporting. Pain points tend to cluster around connection delays, project cash flow, asset availability, documentation, safety assurance and the handover from build to operation. Outbound messaging works better when it links to those events rather than to generic energy-transition language. Sellers should show where they reduce delivery risk, shorten reporting cycles, improve asset uptime, support procurement evidence, or make small teams look more credible to utilities, insurers and funders.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Sources
- July 2024: Battery energy storage research round-up
- 141 individual battery units make up 4.1 GW of battery energy storage capacity currently operating in Great Britain.
- Q2 2024 saw 186 MW of new battery energy storage capacity begin commercial operations in Great Britain.
- The first half of 2024 added 370 MW of new operational battery energy storage capacity, the lowest since 2022.
- 1.4 GW of non-operational sites hold Capacity Market contracts for 2024/25, with 1.1 GW expected operational in Q3 2024.
- In the most optimistic case, operational battery energy storage capacity would reach 5.2 GW at the end of 2024, 1.5 GW below pipeline capacity.
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Frequently asked questions
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