# Mixergy

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/mixergy

- Industry: Industrial Machinery
- Headquarters: Oxford, UK
- Website: www.mixergy.co.uk
- Total disclosed funding: $5.2M
- Latest round: Series A (Nov 27, 2019)
- Investors on record: 5

## About

Mixergy Limited, based in the UK, specializes in innovative hot water solutions that promote energy efficiency and sustainability. The company develops smart water cylinders that adapt to various energy sources, benefiting homeowners and commercial clients alike.Mixergy Limited, established in 2014 in Oxford, UK, focuses on energy-efficient hot water solutions. The firm has successfully closed three deals, with the most recent funding round occurring in March 2025, raising GBP 12 million led by Barclays. CEO Pete Armstrong has a history in the energy sector, contributing to the firm's strategic direction and growth.Mixergy specializes in advanced hot water solutions designed to enhance energy efficiency, reduce costs, and promote sustainability. The company's core products include the Mixergy X, Solar X, iHP X, and Cube X smart hot water cylinders. These cylinders function as intelligent energy assets, transforming conventional passive water storage systems into dynamic heat batteries that optimize energy use by adapting to various heat sources such as solar power and heat pumps. The primary end users include homeowners, social housing providers, and commercial estates, all seeking to lower energy bills and enhance comfort while contributing to a cleaner energy grid. Mixergy’s products are marketed predominantly in the UK and are aimed at fulfilling the growing demand for energy-efficient solutions in residential and commercial sectors, helping clients transition to net-zero emissions.Mixergy’s revenue model is structured around direct sales of its innovative hot water cylinders to a diverse customer base that includes homeowners, housing developers, and social housing providers. The firm generates income through the sale of its flagship products, which are priced to align with the energy savings they offer. Additionally, Mixergy offers partnerships that include smart tariff integrations, enabling customers to benefit from reduced energy costs during off-peak hours. This pricing strategy supports large-scale adoption of its technologies, ensuring that clients can achieve significant cost savings while improving energy efficiency. The company’s focus on scalable and intelligent hot water solutions positions it to capitalize on the increasing demand for sustainable energy technologies in various geographical markets.In March 2025, Mixergy Limited raised GBP 12 million in venture funding led by Barclays, with participation from EDP Ventures, Kiko Ventures, Nesta, and Oxford Sciences Enterprises. The company plans to utilize this funding to enhance its technology solutions and expand its business operations into new markets. Specific plans include the development of new product lines and geographic expansion, although exact product details and release dates are not disclosed.

## Funding rounds

- Series A, Nov 27, 2019, $5.2M — Foresight Group, Longview Innovation, Oxford Sciences Enterprises, Centrica Innovations Ventures, Williams Advanced Engineering Limited

## Investors

- Foresight Group (https://capitalatlas.ai/funds/foresight-group) — Series A
- Longview Innovation (https://capitalatlas.ai/funds/longview-innovation) — Series A
- Oxford Sciences Enterprises (https://capitalatlas.ai/funds/oxford-sciences-enterprises) — Series A
- Centrica Innovations Ventures (https://capitalatlas.ai/funds/centrica-innovations-ventures) — Series A
- Williams Advanced Engineering Limited — Series A