Overview Of UK Balancing Services Market and the Potential for Battery Energy Storage

Overview Of UK Balancing Services Market and the Potential for Battery Energy Storage

This Frost & Sullivan insight provides a neat overview of the UK’s balancing services, with an astute focus on battery energy storage technology. This insight comprises analysis of the markets that are relevant to it. To begin with, an optimal balance between supply and demand is critical for any electricity grid to function at peak performance. Frequency, voltage, and power are the three key electrical components that indicate the quality of electricity flowing through the system. The balancing market exists to achieve continuous balancing supply and demand by maintaining frequency, voltage, and power within permissible limits. Hence the term balancing markets. While there a number of balancing services that exist currently, frequency response and capacity market fit for battery storage. This is mainly due to battery storage’s discharge capability, which when integrated with renewable generation plants, becomes an ideal solution to address the technology’s intermittency. Frequency response exists to address system frequency changes by injecting immediate generation onto the system, while capacity market exists to provide a back-up capacity to the system to address demand and improve capacity margin. The total commercial frequency response cost to National Grid amounted to £99.53 million for 2016/17, representing 9.25% of the total balancing services cost. This cost excludes transmission constraints. While substantial, this figure is likely to increase further with the introduction of the faster-enhanced frequency response reserve service. The key feature of EFR, being its response time which is less than 1 second. In this segment, battery storage secured 4-year EFR contracts for 201 MW of capacity in the concluded 2016 EFR auction totaling £65.95 million. Likewise, 501 MW of battery storage capacity secured 15-year capacity contracts under new build category in the concluded 2016 four year-ahead capacity auction. This clearly indicates that battery storage is here to stay and function in the UK system. This partnership is likely to witness increased applications of it in the near and far future given the significant battery storage investments made so far in the UK. In addition to balancing services, arbitrage opportunities exist for battery storage owners under the current market structure. Frost & Sullivan’s breakdown of market signals indicates a significant growth period for battery storage with chief revenue streams being Firm Frequency Response, Enhanced Frequency Response, and Capacity Markets. Actionable strategic action points and observations have been derived through data insights and are included in this insight. These points can be leveraged by battery storage companies to understand and enhance their participation in the market to achieve monetary returns.

  • Definition and Abbreviations
    • CEO's Perspective
  • Overview of System Balancing Services
    • Balancing Services Available to the System Operator
    • Reserve Services
    • Frequency Response Services
  • Balancing Services Market
    • Balancing Services Market, 2016-2017
      • Table Balancing Services Market: Summary Data Table, UK, 2016-2017
  • Addressable Markets for Battery Storage
    • Primary Markets
  • Addressable Markets for Battery Storage -Frequency Response Services (FFR & EFR)
    • Battery Storage Market Potential
    • Frequency Response Services Market, 2016
    • Commercial Frequency Response Market, 2010-2017
      • Table Frequency Response Services Market: Commercial Frequency Response - Average Spend per MWh, UK, 2010-2017
    • Enhanced Frequency Response Market, 2016-A Perfect fit for Battery Storage
      • Table Enhanced Frequency Response Market, 2016-A Perfect fit for Battery Storage
  • Addressable Markets for Battery Storage -Capacity Market
    • Summary of T-4 Capacity Auctions, 2014-2016
      • Table Summary of T-4 Capacity Auctions, 2014-2016
    • Battery Storage in Capacity Market
    • T-4 Capacity Auctions-New Build Battery Storage Contract Awardees
  • The Last Word
    • The Last Word-3 Big Predictions
  • Growth Opportunities and Companies to Action
    • Growth Opportunity: Disruptive Applications
    • Growth Opportunity: Investment/M&A
    • Strategic Imperatives for Battery Storage Companies

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