Leaders in Clean Energy

Specialists in Clean Energy Advisory

At Longspur, we empower companies and investors across the clean energy sector, drawing on decades of experience in corporate finance, capital raising, market-leading investment research and renewable energy development, investment and asset management.

Active Market Participants

At Longspur, we are not only witnessing the energy transition;
we are driving it.
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  • >£20bn
    raised by the Longspur team
  • 82
    GWh generated by Longspur managed assets annually.
  • c. 100
    renewables projects developed by Longspur.
  • 2,300
    investors engaging directly with our research.
  • Top 3
    ranked independent clean energy research provider 2023.
  • 14
    companies covered by our research.
Investment & Asset Management
Selected Transactions
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Complete
2025
Lower Larks BESS

Asset Sale

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Complete
2025
Green Create

Asset Sale

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Complete
2025
Royal London Asset Management

Buy-side asset advisor

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Complete
2025
Charlton Park Biogas

Asset Sale

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Complete
2024
Byont

Equity Raise

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Complete
2024
SFP Group

€120m Debt Raise

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Complete
2024
eEnergy

£40m Project Funding Facility with NatWest

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Complete
2024
Logan Energy

Series A Financing

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Complete
2022
Raw Charging

£150m Equity Raise

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Complete
2025
Lower Larks BESS

Asset Sale

  • Longspur Capital successfully sold, alongside our joint development partner REPD, our 100MW battery storage project to Cero Generation.
  • The ready-to-build project, located in Gloucestershire, represents a significant contribution to the UK’s growing pipeline of BESS assets and highlights the continued investor appetite for high-quality development sites within the storage sector.
  • REPD have originated and developed the project from greenfield to ready-to-build and are pleased to see another project from their portfolio proceed to construction phase
  • Cero Generation will take the project forward through construction and into operation, continuing its investment in renewable infrastructure across the UK.
  • This transaction adds to Longspur’s extensive track record in the battery storage sector, where the firm has advised on a wide range of M&A and project financing mandates both in the UK and across Europe.

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Complete
2025
Green Create

Asset Sale

  • Longspur Capital acted as Sole Financial Advisor to GreenCreate on the successful sale of its Dutch biomethane plant, Bio Energie Holwerd, to ReFuels, a leading European supplier of renewable biomethane for the transport sector.
  • This transaction marks another step forward in the build-out of vertically integrated clean fuel platforms and reflects the growing momentum behind biomethane as a key enabler of the energy transition.

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Complete
2025
Royal London Asset Management

Buy-side asset advisor

  • Longspur Capital’s acted as buy-side asset advisor to Royal London Asset Management on its acquisition of infrastructure asset manager Dalmore Capital Limited.
  • This transaction marks a significant step in supporting Royal London’s strategy to broaden its private assets capabilities and provide long-term infrastructure investment opportunities to pension savers.
  • Dalmore’s approximately £6 billion of assets under management showcase strong environmental and socially positive credentials supporting the UK’s economic growth and a sustainable future.

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Complete
2025
Charlton Park Biogas

Asset Sale

  • Longspur Capital acted as sole financial adviser to SWEN Capital Partners, HoSt Group and Raw Energy Limited on the successful sale of the Charlton Park biomethane plant in Wiltshire, UK, to Asterion Industrial Partners.
  • Charlton Park, which has been operational since 2022, plays a key role in the UK’s renewable gas transition, processing 50,000 tonnes of feedstock per year, including food and agricultural wastes alongside some farm crops, to produce enough biomethane to meet the demand of over 5,000 homes.
  • The transaction reflects the strong investor appetite for high-quality bioenergy infrastructure and underscores the growing momentum behind sustainable energy solutions.

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Complete
2024
Byont

Equity Raise

  • Longspur advised leading European biogas producer Byont on a significant equity investment from Asterion Industrial Partners to invest in biogas plants across Europe.
  • Byont’s target is to strategically acquire European CHP plants and upgrade these to produce biomethane or Bio-LNG.
  • In parallel, Longspur also advised Byont on the acquisition of its first two large scale CHP projects, from Arbio BV and Biofer, upgraded to produce biomethane.
  • Longspur Capital acted as Sole Financial Advisor on the capital raise and strategic M&A.

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Complete
2024
SFP Group

€120m Debt Raise

  • Advised SFP group as sole financial adviser on its €120 million capital raise for the construction of two large 20MW biomethane plants in the Netherlands.
  • Senior debt will be provided by ABN AMRO Bank N.V. and ING Bank, with a junior tranche from Zencap Asset Management.
  • Equity will be provided by SFP Group and SWEN Capital Partners.
  • SFP Group will now have capacity to produce ~800 GWh of biomethane annually. Enough to supply more than 50,000 households with green gas each year for decades.

e-energy
Complete
2024
eEnergy

£40m Project Funding Facility with NatWest

  • Longspur Capital acted as exclusive financial advisor to eEnergy Group Plc on their £40m term loan facility from NatWest.
  • The facility will be used to help finance Rooftop Solar, EV Charging, LED Lighting, Smart Metering and other energy efficiency assets exclusively for the public sector.
  • This innovative financing solution will enable schools, the NHS and Local Authorities to decarbonise in a cost effective way.

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Complete
2024
Logan Energy

Series A Financing

  • Logan Energy specialises in integrated engineering solutions incorporating hydrogen technologies, including production, refuelling, storage, distribution, and fuel cells.
  • Longspur Capital acted as sole financial advisor to Logan.
  • The funds will enable the Logan Energy to scale the business and expand internationally.

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Complete
2022
Raw Charging

£150m Equity Raise

  • Exclusive financial advisor on the £150m Capital raise for RAW Charging.
  • The successful growth capital fundraise provided support for the company’s £250 million EV charger installation plan.

Latest thematic research

Geothermal Energy: Heating Up

A Renewed Interest in Energy From The Earth

published 22nd January 2025
Geothermal energy is beginning to attract new investors to the space with a combination of emerging technologies and an increasing recognition of the ability of geothermal energy to provide predictably priced, long-term, low-carbon heating and power. Investors have historically been put off by the high upfront capital cost of geothermal projects relative to the perceived risks of development, however, with an improved understanding of the risks (combined with improvements in mitigation available), attention is now turning to the sector. There have been steps to increase policy support, notably in the EU, and more targeted support, commensurate with other renewable technologies would accelerate the next stage of growth for the sector.
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Geothermal energy has been growing in interest for investors as recognition grows that this is a key decarbonisation tool that can provide long term predictably priced heat and power.