# Top 15 Renewable Energy Startup Investors in Ireland in June 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| AIB Seed Capital Fund | 2 | Ireland, United States, Jersey | Seed, Series A | Software, Health Care, Medical |
| Enterprise Ireland | 2 | Ireland, United States, United Kingdom | Seed, Series A | Software, Information Technology, Health Care |
| Volnay | 1 | Ireland |  | Renewable Energy |
| Development Capital | 1 | Ireland, United States, United Kingdom | Seed, Private Equity | Manufacturing, Telecommunications, VoIP |
| Peter Murphy | 1 | Ireland, United Kingdom | Seed | Battery, Automotive, Wind Energy |
| Dunbia Ballymena | 1 | Ireland | Corporate Round | Manufacturing, Semiconductor, Renewable Energy |
| Octopus Energy generation | 1 | Norway, Germany, Ireland | Series A, Seed, Debt Financing | Renewable Energy, Apps, Solar |
| Barclays Investment Bank | 1 | United States, United Kingdom, Ireland | Debt Financing, Post-IPO Debt | Financial Services, FinTech, Finance |
| AIB | 1 | Ireland, United Kingdom | Debt Financing, Convertible Note | Men's, Energy, Wellness |
| Octopus Renewables Infrastructure Trust | 1 | Ireland | Corporate Round | Renewable Energy, Environmental Engineering |
| Enterprise Equity | 1 | Ireland, United States, United Kingdom | Seed, Series B | Software, Information Technology, Health Care |
| Aker Horizons | 1 | Ireland | Corporate Round | Renewable Energy, Energy, Oil and Gas |
| Western Development Commission | 1 | Ireland, United States | Seed, Series A | Health Care, Medical Device, Biotechnology |
| NDRC | 1 | Ireland, United States, United Kingdom | Seed, Pre-Seed, Convertible Note | Software, Information Technology, E-Commerce |
| Delta Partners | 1 | Ireland, United States, United Kingdom | Seed, Series A | Software, Information Technology, Health Care |