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Main navigation

  • 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
  • Auditors
    • Benefits of being an auditor
    • Obligations of auditors and skills needed
    • Scope of works
    • Conducting audits
    • Audit panel
    • How to become an auditor
  • Products
    • Accepted product list
    • Product eligibility
    • Marketing your products
  • Consumers
    • Find an Accredited Certificate Provider
    • Upgrades for households and small businesses
    • Things you should consider
    • Activities for businesses
    • Report misconduct

Secondary

  • News and updates
  • What we do
  • TESSA Portal
  • Find a document
Energy Savings Scheme (ESS)
Night-time scene of a road lined with street lights
  • About the ESS
  • ESS legislation
  • ESS Rule and changes
  • Energy Savings Certificates
  • Eligible activities and equipment
  • Excluded activities
  • Eligible fuel types
  • ESS fuel switching
  • ESS calculation methods
    • Metered Baseline Methods
    • Project Impact Assessment Method
    • Project Impact Assessment with M&V
    • Home Energy Efficiency Retrofits
    • Removal of Old Appliances
    • Sale of New Appliances
    • Installation of High Efficiency Appliances for Businesses
    • Power Factor Correction Energy Savings Formula
    • Commercial Lighting Energy Savings Formula
    • Alternative benchmarks for Commercial Lighting
    • Public Lighting Energy Savings Formula

ESS calculation methods

A calculation method sets out how to calculate the number of ESCs an ACP can create from an activity. 

Content list

Calculation methods under the ESS include:

Project-based methods

Metered Baseline Methods

Project Impact Assessment Method

Project Impact Assessment with M&V

Deemed methods

Home Energy Efficiency Retrofits

Removal of Old Appliances

Sale of New Appliances

Installation of High Efficiency Appliances for Business

Power Factor Correction Energy Savings Formula

Commercial Lighting Energy Savings Formula

Public Lighting Energy Savings Formula

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