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Review of Section L – Maintenance and Operational
Planning
A Presentation to the Transmission Workstream – November 2005
Steve Gordon, ScottishPower Energy Management Limited
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Overview
• Relevant changes since 1996
• What Hasn’t Changed much?
• Time for a review?
• Current Mod
• NG response and proposed mod
• Other Issues for Consideration
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Changes To the Market• Advent of competition
• Growth of the CCGT market
• Increase in the number of directly connected sites to NTS
• Advent of NETA then BETTA
• DN Sales & diversity of ownership of transportation network
• Closer alignment of the gas and electricity regimes
• Move towards import dependency and a requirement for demand-side response.
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What Hasn’t Changed Much during that time?
• NExAs – specifying information about offtake rates, notice periods and planned maintenance
• Section L!
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Time for a Review?
Yes
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Mod 060
• Discussed with NGT and sent to consultation on 20th October
• Main Aims:– Ensure that information is provided to
maintenance affected points in the spirit of the intent of the code.
– Ensure confidentiality of that information.
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NGT Initiative
• Earlier publication of information on system affected points
• Early confirmation of window
• Earlier confirmation of exact dates
• New mod (discussed today) codifies this approach
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Other Issues
• Distribution and Transmission Maintenance Programmes
• Classification/Categorisation of Different Types of Works
• Publication of Inspection Programme Information
• Incentivising an Efficient Maintenance Programme