Amperesand
Powering the future of AI data center infrastructure
Singapore, United States · Founded 2023 · $92.5M raised
- Headquarters
- Singapore
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- amperesand.io
- Total Funding
- $92.5M
- Last Round
- $80.0M Series ANov 2025
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 5 investors for this company. The full record is or through the API.
About
Amperesand builds advanced Solid State Transformer (SST) power conversion systems for AI data centers, industrial electrification, and utility applications. Founded in 2023 as a spin-out from the Energy Research Institute at Singapore's Nanyang Technological University (NTU), the company's third-generation SST delivers medium-voltage to low-voltage conversion efficiency greater than 98.5%, greater than 80% reduction in electrical equipment footprint versus traditional infrastructure, and 99.999% uptime. The platform is built on a decade of R&D and silicon carbide (SiC) power electronics, enabling fast deployment and integration with renewable energy assets. Amperesand operates manufacturing and engineering centers in Reno, Nevada and San Francisco, California, with R&D headquarters in Singapore. In 2025, the company raised an $80M Series A co-led by Walden Catalyst Ventures and Temasek.
Summary
Amperesand is a Climate Tech company based in Singapore, United States, founded in 2023. It has raised $92.5M in total across 2 rounds, most recently a $80.0M Series A round in Nov 2025. Investors include Walden Catalyst, Temasek and Industry Ventures.
Tech & App Stack
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Funding History
Nov 2025
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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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