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PORTFOLIO COMPANIES

RIC has particular experience in energy storage, solar, energy-from-waste, heat networks, wind, anaerobic digestion, renewable carbon products & fuels, waste management and recycling.

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Voltaria

Battery Energy Storage

Providing Grid Flexibility to Support Increased Renewable Generation

RIC established Voltaria in 2021 to be a platform from which to build a significant portfolio of battery energy storage assets, starting in the UK. The target is to build and operate around 500MW of grid connected assets over the next five years.

Voltaria will support National Grid's move towards net zero by providing flexibility in power markets in order to facilitate the grid's move towards an increasing proportion of renewables in the generation mix.

RIC has appointed a high calibre management team with a CEO and Projects Director with significant experience in flexible generation and the battery energy storage markets.

Voltaria's initial project in Scotland commenced construction in Q4 2025 and is planned to energise to the grid in Q4 2026. Voltaria's phase 2 projects are expected to start construction in late 2026.

We remain higly interested in evaluating the acquisition of further RTB BESS projects.

www.voltaria.co.uk

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Seras

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Sustainable Biomass

Seras (previously Esken Renewables, and formerly Stobart Biomass) is the UK’s leading supplier of sustainable biomass fuel sourced from waste wood and forestry by-products.

 

The business was acquired in December 2023 with funding from Pioneer Point Partners (“Pioneer”). RIC is working as Operating Partner to Pioneer on this investment.

 

Founded in 2009, the company supplies around 1.8 million tonnes of fuel to the UK biomass sector (mainly for generation of renewable electricity), under long-term contracts. The majority of the renewable biomass fuel comes from waste wood which otherwise would be destined for landfill . Seras develops solutions across the whole waste and recycling supply chain, from collection and processing, to renewable fuel supply. Working with Pioneer, we will scale the business to maximise opportunities in support of the decarbonisation of hard to abate sectors.

www.seras.co.uk

Rendesco

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Renewable Heat Networks

Founded in 2012 and headquartered in London, Rendesco specialises in the design, installation and operation of ground source heat pump (“GSHP”) heat networks,

RIC is working as Operating Partner to Pioneer Point Partners, which acquired a majority share in the business in April 2026.

 

The Company offers an end-to-end solution spanning design and build through to long-term operation. The Company works with national and regional housebuilders to deliver low-carbon heating solutions for sites ranging from 50 to 2,000 homes and has installed clean-heating systems at over 175 developments to date.

Pioneer has made a £100m commitment to the Company to support the delivery of its pipeline. The vision is to scale Rendesco into the UK’s leading renewable heat platform with a substantial owned portfolio of assets that deliver low-carbon heat in perpetuity to new-build residential properties.

www.rendesco.com 

©2026 by Renewables Infrastructure Capital LLP

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