Clean flexibility: Lower bills with time-of-use electricity tariffs and generate revenue with connected assets - Net Zero Go
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Clean flexibility: Lower bills with time-of-use electricity tariffs and generate revenue with connected assets

This guide from the Greater South East Net Zero Hub provides an overview of ‘clean flexibility’ and how organisations can shift energy demand or supply of electricity to save money and/or generate revenue while reducing emissions and/or bills.

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The Greater South East Net Zero Hub‘s guide on clean flexibility is designed to help the public sector cut its electricity bills and emissions. Through ‘clean flexibility’, revenue can be generated and/or money can be saved as a result of shifting energy demand or supply.

The guide explores the two key opportunities for the public sector to reduce operating costs and generate income:

  • Time-of-use (ToU) electricity tariffs
  • Asset flexibility

Key benefits for local authority teams

Local authorities can gain significant operational, financial, and strategic advantages by engaging with clean flexibility measures described in the guide:

  • Lower energy costs: By using time‑of‑use tariffs, local authorities can shift energy use to cheaper periods, lowering operational bills across buildings, depots, and public infrastructure.
  • New earning opportunities: Clean flexibility allows councils to leverage assets such as EV chargers, heat pumps, batteries, and building systems to earn payments for adjusting demand or generation in response to system needs.
  • Accelerated progress towards Net Zero: Flexibility measures reduce emissions by optimising energy use and supporting a cleaner, more efficient electricity system. This aligns with both council‑level climate strategies and national Clean Power 2030 goals.
  • Greater energy system resilience: Participation supports a more flexible, consumer‑focused electricity system aligned with the national Clean Flexibility Roadmap, strengthening local grid reliability and enabling more renewable integration.

Guide highlights

  • Policy summary: Introduces the UK Government’s Clean Power 2030 plan and the purpose of the Clean Flexibility Roadmap, setting the strategic context for why clean flexibility is essential for a reliable, low‑carbon electricity system.
  • Definition of clean flexibility: Explains flexibility as shifting electricity demand or supply while reducing emissions. Outlines how organisations can save or earn by adopting flexible energy practices.
  • Time‑of‑use tariffs: Details why ToU tariffs matter, including cost‑saving potential and system benefits. Provides guidance on how local authorities and asset owners can implement ToU arrangements effectively.
  • Asset flexibility: Illustrates the value of using assets like EVs, heat pumps, and batteries to support flexibility markets. Describes methods for enabling assets to respond to system signals and contribute to a more resilient electricity network.

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