--- title: "Soper of Lincoln BMW / MINI — Solar Case Study | Alliant Energy" description: "Soper of Lincoln BMW / MINI (Automotive Retail): 172.69kWp solar array, 392 panels — £50,645/yr saved, 3.6 Years payback. Full project breakdown by Alliant En" lang: en json-ld: | [ { "@context": "https://schema.org", "@graph": [ { "@type": [ "Organization", "LocalBusiness", "ProfessionalService" ], "@id": "https://alliantenergy.co.uk/#organization", "name": "Alliant Energy Ltd", "alternateName": "Alliant Energy", "legalName": "Alliant Energy Ltd", "url": "https://alliantenergy.co.uk", "logo": { "@type": "ImageObject", "url": "https://alliantenergy.co.uk/logo.png", "width": 320, "height": 80 }, "image": "https://alliantenergy.co.uk/og-default.jpg", "description": "MCS-registered renewable energy specialists installing solar PV, battery storage, EV charging and air source heat pumps for UK homes and businesses across the North West. ISO 9001, 14001 and 45001 certified. 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Full project breakdown by Alliant En", "image": "/__l5e/assets-v1/2270222b-3af2-4b77-84aa-531db86ecb34/soper-of-lincoln-bmw-mini.jpg", "author": { "@type": "Organization", "name": "Alliant Energy" }, "publisher": { "@type": "Organization", "name": "Alliant Energy", "url": "https://alliantenergy.co.uk", "logo": { "@type": "ImageObject", "url": "https://alliantenergy.co.uk/favicon.ico" } }, "datePublished": "2026-01-15", "dateModified": "2026-05-19", "mainEntityOfPage": "https://alliantenergy.co.uk/case-study/soper-of-lincoln-bmw-mini", "about": "Automotive Retail" }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How big is the solar system installed at Soper of Lincoln BMW / MINI?", "acceptedAnswer": { "@type": "Answer", "text": "Alliant Energy installed a 172.69kWp solar PV system using 392 panels paired with a SolarEdge inverter. The installation took 3 weeks from arrival on site to commissioning." } }, { "@type": "Question", "name": "How much does Soper of Lincoln BMW / MINI save each year?", "acceptedAnswer": { "@type": "Answer", "text": "Soper of Lincoln BMW / MINI saves approximately £50,645 per year on electricity, with projected lifetime savings of £1.28M over the system's 25-year guaranteed performance period. The payback term is 3.6 Years, delivering a total ROI of 694%." } }, { "@type": "Question", "name": "Was the project funded or paid for upfront?", "acceptedAnswer": { "@type": "Answer", "text": "This project was paid for directly by the customer. Under the UK's full-expensing capital allowance, the entire cost can be deducted from corporation tax in year one — improving the effective payback meaningfully for profitable companies." } }, { "@type": "Question", "name": "What's the environmental impact?", "acceptedAnswer": { "@type": "Answer", "text": "The system avoids around 31.8 Tonnes of CO₂ emissions every year compared with grid-sourced electricity. Over a 25-year design life that's a material contribution toward Scope 2 reduction and any ESG or net-zero reporting commitments the business holds." } }, { "@type": "Question", "name": "Could a similar system work for my business?", "acceptedAnswer": { "@type": "Answer", "text": "Probably — the same hardware platform (panels, hybrid inverter, optional battery) scales from roughly 10kW up to 1MW+. The deciding factors are roof area, daytime electricity use, current unit rate, and grid-connection capacity. Alliant Energy carries out a free desktop feasibility study and follow-up site survey before quoting." } } ] } ] --- [![Alliant Energy — Renewable Energy Solutions](/__l5e/assets-v1/3bd22195-cc6e-43e6-b5ff-5a808ce292d3/alliantenergyltd-2.svg)](/) [Home](/)[About](/about-us) [Services](/services) [Guides](/guides)[Case Studies](/case-study)[![Levelise](/__l5e/assets-v1/59fd362e-361a-47d7-ad1f-65e9beeb5289/levelise-logo.webp)](/guides/levelise-hub-explained) [01282 501589](tel:01282501589)[Get a Quote →](/quote) ![Soper of Lincoln BMW / MINI solar installation](/__l5e/assets-v1/2270222b-3af2-4b77-84aa-531db86ecb34/soper-of-lincoln-bmw-mini.jpg) [All case studies](/case-study) Automotive Retail # Soper of Lincoln BMW / MINI 172.69kWp system saving £50,645 a year for Soper of Lincoln BMW / MINI. [ Previous Sir Tom Finney Community High School ](/case-study/sir-tom-finney-community-high-school)[ Next St Joseph's Hospice ](/case-study/st-josephs-hospice) ## Project overview Split across 3 buildings, we installed a total of 172.69 kWp for Soper BMW in Lincoln. The installation in place generates an estimated 144,700 kWh of energy for direct usage on-site. Sustainability is hugely important to us here at Soper BMW, and it's been great to work with Alliant Energy to help achieve our green objectives and become the most sustainable retailer in Lincolnshire. We are looking forward to continuing our working relationship with the team and can't thank them enough for their support. ### The challenge Like most automotive retail operations, Soper of Lincoln BMW / MINI faced a structural exposure to wholesale electricity prices — a cost line that doubled for many UK businesses between 2021 and 2023 and shows no sign of returning to pre-crisis levels. With significant daytime load and suitable roof space, on-site generation was the obvious lever, but the project needed to stand on its own commercial merits: predictable payback, manufacturer-backed warranties, and zero operational disruption during install. ### The solution Alliant Energy designed Following a structural roof survey and DNO capacity check, Alliant Energy specified a 172.69kWp array using 392 high-efficiency mono-PERC panels, paired with a SolarEdge hybrid inverter. The SolarEdge platform was chosen for its export-management capability and remote firmware updates, allowing the array to be tuned over its life without site visits. Surplus generation is exported to the grid under a Smart Export Guarantee tariff, providing a secondary revenue stream alongside the primary saving on imported electricity. ### Install & commissioning The full installation completed in 3 weeks, scheduled around the customer's operating hours to avoid downtime. Work was carried out by Alliant Energy's directly employed MCS-registered engineers — no subcontracted labour. The system was commissioned to G99 requirements, registered with the Microgeneration Certification Scheme, and handed over with monitoring access, electrical certification, and structural sign-off documents on the day of completion. ### Financial outcome In its first full year of operation the system is on track to save Soper of Lincoln BMW / MINI approximately **£50,645** on electricity costs, with a payback term of **3.6 Years** and a projected total ROI of **694%**. Over the 25-year warranted life of the panels, the cumulative saving is forecast at **£1.28M** — a figure that improves materially if grid prices continue their long-term upward trend, and that benefits from the UK's 100% full-expensing capital allowance for qualifying solar assets. ### Environmental impact The installation displaces roughly **31.8 Tonnes** of CO₂ emissions every year compared with grid-sourced electricity. Over the system's 25-year design life that is the equivalent of removing more than Soper of Lincoln BMW / MINI's entire annual Scope 2 footprint several times over — a material data point for ESG, B-Corp and net-zero reporting frameworks. ### Why it matters for the automotive retail sector Automotive Retail businesses typically run daytime electrical loads — refrigeration, machinery, IT, lighting, compressors — that overlap closely with solar generation. That overlap is what drives strong economics: every unit generated and consumed on-site replaces a unit that would otherwise be bought from the grid at full commercial rates. The Soper of Lincoln BMW / MINI project demonstrates how the model scales for this kind of operation. System 172.69kWp Panels 392 Inverter SolarEdge Install 3 Weeks ### Project FAQ ### How big is the solar system installed at Soper of Lincoln BMW / MINI? Alliant Energy installed a 172.69kWp solar PV system using 392 panels paired with a SolarEdge inverter. The installation took 3 weeks from arrival on site to commissioning. ### How much does Soper of Lincoln BMW / MINI save each year? Soper of Lincoln BMW / MINI saves approximately £50,645 per year on electricity, with projected lifetime savings of £1.28M over the system's 25-year guaranteed performance period. The payback term is 3.6 Years, delivering a total ROI of 694%. ### Was the project funded or paid for upfront? This project was paid for directly by the customer. Under the UK's full-expensing capital allowance, the entire cost can be deducted from corporation tax in year one — improving the effective payback meaningfully for profitable companies. ### What's the environmental impact? The system avoids around 31.8 Tonnes of CO₂ emissions every year compared with grid-sourced electricity. Over a 25-year design life that's a material contribution toward Scope 2 reduction and any ESG or net-zero reporting commitments the business holds. ### Could a similar system work for my business? Probably — the same hardware platform (panels, hybrid inverter, optional battery) scales from roughly 10kW up to 1MW+. The deciding factors are roof area, daytime electricity use, current unit rate, and grid-connection capacity. Alliant Energy carries out a free desktop feasibility study and follow-up site survey before quoting. ### Financial impact Rate of ROI 27.8% Total ROI 694% Annual savings £50,645 Lifetime savings £1.28M Payback term 3.6 Years Annual CO₂ saved 31.8 Tonnes [Commercial Savings Calculator →](/calculator) ### More projects [ Frozen Dessert Distribution Tropical Ices £13,700/yr · 5 Years payback ](/case-study/tropical-ices)[ Pewter & Silverware Manufacturing Pinder Brothers £3,700/yr · 5 Years payback ](/case-study/pinder-brothers)[ Logistics & Haulage Shepherd Distribution £22,389/yr · 2.9 Years payback ](/case-study/shepherd-distribution)[ Retail Technology Datascan Retail Systems £3,457/yr · 5.9 Years payback ](/case-study/datascan-retail-systems) Three ways to get started ## Ready to find out what solar saves you? Get a tailored quote in one working day. No obligation. No hard sell. Speak to a renewable energy engineer — not a salesperson — at a time that suits you. [Get a Quote → ](/quote) [Request a Callback →](/request-callback) [Download Brochure →](/brochure) Accreditations ## Certified, registered, and insured. Every time. MCS certification isn't a box-ticking exercise — it qualifies your system for Smart Export Guarantee payments and government grants. Our installers are also NICEIC-approved and TrustMark-registered, and every install is fully insured. ![Citation ISO Certification: ISO 9001 quality management, ISO 14001 environmental management and ISO 45001 occupational health and safety](/__l5e/assets-v1/180183cd-e6fd-4b0a-984c-83e6a41390d7/accreditations-iso.jpg) ![Alliant Energy — Renewable Energy Solutions](/assets/logo-IFrgP5Dc.png) Renewable energy & energy-saving specialists. MCS-registered solar PV, battery storage, heat pumps and EV charging across the UK. #### Quick Links - [Home](/) - [About Us](/about-us) - [Services](/services) - [Case Studies](/case-study) - [Areas We Cover](/solar-panel-quotes-north-west) - [Contact](/contact) - [Privacy Policy](/privacy) - [Terms & Conditions](/terms) #### Services - [Solar for Homes](/services/solar) - [Commercial Solar](/services/commercial-solar) - [Battery Storage](/services/battery-storage) - [Air Source Heat Pumps](/services/heat-pumps) - [EV Charging](/services/ev-charging) - [Energy Saving Advice](/services/energy-saving-advice) #### Contact - [01282 501589](tel:01282501589) - [info@alliantenergy.co.uk](mailto:info@alliantenergy.co.uk) - Unit 214 Northlight Industries, Pendle Road, Brierfield, Nelson BB9 5FL [Get a Quote](/quote)[Brochure](/brochure) Alliant Energy Ltd is an Introducer Appointed Representative (Financial Services Register No. 1020779) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks. © 2026 Alliant Energy Ltd. All rights reserved. [Privacy Policy](/privacy)[Terms & Conditions](/terms) MCS Registered · TrustMark · NICEIC [Chat with AI](/chat) [Call back](/request-callback) [Get a Quote](/quote) [Get a Brochure](/brochure) [Get a Quote](/quote) [Chat with AI](/chat)