Our Commitment to a fossil-free internet by 2030
Our commitment
At Heatherstack, we are committed to ensuring that the hosting and data center infrastructure we use will be powered by 100% fossil-free energy every hour by 2030.
This means that for every region in which we operate, the hosting infrastructure we use – including those purchased or rented from other providers – will operate using 100% fossil-free energy and this generation will be supported by credible claims based on the Green Web Foundation’s provider verification criteria.
For questions about this commitment, please contact Joe Lovell at [email protected]. A machine-readable summary of our hosting suppliers is published at heatherstack.com/carbon.txt.
Joe Lovell, Director
Last updated: 2 October 2026
Next review scheduled: 1 October 2027
APPENDIX
Our current hosting supply chain
| Provider | Used for | Location | Green Web Foundation status |
|---|---|---|---|
| Kualo | Managed hosting | London, UK | ✓ Verified (#661), annual matching |
| Hetzner Online | Virtual private servers | Nuremberg, Germany | ✓ Verified (#131), annual matching |
| Cloudflare | CDN / edge cache | Global | ✓ Verified (#779), annual matching |
Supporting evidence
Kualo Limited
Region: UK
- Annual matching via renewable electricity certificates (REGOs) from the UK data centre provider (source: REGO certificate)
- 70% local grid fossil-free energy (source: Electricity Maps data via CO2.js)
Disclosure tier: Annually matched fossil-free energy
Hetzner Online GmbH
Region: Germany
- 100% renewable energy for German data centres (source: Green Web Foundation listing)
- Commitment to continual improvement of environmental performance through the Eco-Management and Audit Scheme (source: EMAS Certificate)
- Certified environmental management system (source: ISO 14001:2015 certificate)
- 64% local grid fossil-free energy (source: Electricity Maps data via CO2.js)
Disclosure tier: Annually matched fossil-free energy
Cloudflare, Inc.
Region: Global
- 45% fossil-free energy, global annual average (source: Electricity Maps data via CO2.js)
- Annual matching via green tariff (source: Public disclosure)
Disclosure tier: Annually matched fossil-free energy