# GraphEnergyTech

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

- Industry: Renewable Energy
- Headquarters: Cambridge, UK
- Website: www.graphenergytech.com
- Total disclosed funding: $4M
- Latest round: Seed (Nov 6, 2026)
- Investors on record: 3

## About

Based in the UK, GraphEnergyTech Limited specializes in integrating innovative graphene electrodes into solar cells, aimed at replacing traditional materials to enhance efficiency and sustainability in solar energy solutions.GraphEnergyTech Limited, founded in 2022 and headquartered in Cambridge, UK, focuses on developing advanced graphene-based electrode solutions for solar cells. The company has successfully completed 2 deals, with its most recent funding round occurring on February 25, 2025, where it raised GBP 1 million led by Aramco Ventures. The CEO is Thomas Baumeler, and the founder is Essa Alharbi.GraphEnergyTech specializes in the integration of highly conductive graphene electrodes into solar cells, a groundbreaking innovation aimed at replacing traditional silver and precious metal electrodes. This technology retains and enhances power conversion efficiencies and reliability of solar cells, addressing the urgent need for sustainable and cost-effective solar energy solutions. The company targets a diverse client base, including solar panel manufacturers and research institutions focused on advancing photovoltaic technologies, especially in perovskite solar cells. Their products are marketed globally, with a focus on regions transitioning to net-zero carbon electricity production, where demand for efficient solar technology is increasing.The company's revenue structure is based on B2B partnerships and collaborations with organizations in the solar industry, including manufacturers and research institutions. Through these partnerships, GraphEnergyTech engages in agreements involving the supply of graphene electrodes tailored to specific solar cell applications. While specific pricing details are not disclosed, the company aims to provide cost-effective solutions that reduce financial burdens associated with traditional materials like silver, impacting the overall manufacturing costs of photovoltaic modules. Their flagship offerings include patented graphene electrode technologies poised to capture a significant market share as demand for high-efficiency solar solutions grows.In February 2025, GraphEnergyTech Limited raised GBP 1 million in venture funding led by Aramco Ventures. The company plans to utilize this funding to further develop advanced graphene-based electrode solutions for solar cells. Upcoming products are being designed to enhance their existing offerings, and the company is exploring expansion into new markets, specifically targeting regions that prioritize renewable energy transitions. The funding will support their initiatives in product development and market entry.

## Funding rounds

- Seed, Nov 6, 2026, $4M — Aramco Ventures, business angels, existing shareholders

## Investors

- Aramco Ventures (https://capitalatlas.ai/funds/aramco-ventures) — Seed
- business angels — Seed
- existing shareholders — Seed