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  • Schemes
    • How the Schemes work
    • Energy Savings Scheme (ESS)
    • Peak Demand Reduction Scheme (PDRS)
    • Renewable Fuel Scheme (RFS)
    • Roles in the Schemes
    • How to get involved
    • Scheme performance
  • Accredited Certificate Providers
    • Should I become an ACP?
    • How to become an ACP
    • How to comply as an ACP
    • Operating as an ACP
  • Scheme Participants
    • The role of scheme participants
    • Scheme participant obligations
    • Legislation, guidance and relevant information
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industry: ESS type: Guide label: Document Hub

Process Guide - TESSA Water Heater Applications

Current
Version 1.0
2 July 2025

This is a guide that helps you apply for water heater acceptance using the TESSA online submission process. 

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Download PDF (2.68 MB)

Version history

Status Document Version number Date Document
Current Process Guide - TESSA Water Heater Applications - V1.0 Version 1.0 2 Jul 2025 - 31 Dec 2050 Download .PDF
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