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We recover the cost of electric current for traction (EC4T) through traction electricity charges which are charged to all electric train operators.
In April 2010 some operators moved to metered electricity billing, also known as on-train metering (OTM), which means their charges are no longer based on modelled consumption rates, but instead are based on actual metered usage.
All published documentation related to on-train metering and the Traction Electricity Rules can be accessed below.
The Traction Electricity Rules are a common set of rules that apply to all parties who run electrically powered services (with some minor exceptions). The Traction Electricity Rules are incorporated into, and therefore form part of, each track access agreement between Network Rail and operators.
Current Traction Electricity Rules (20 August 2014)Previous Traction Electricity Rules (26 May 2014)Previous traction electricity rules (1 April 2014)Previous EC4T metering rules (1 April 2013)Previous EC4T metering rules (19 March 2013)Previous EC4T metering rules (4 March 2013)Previous EC4T metering rules (3 May 2012)Previous EC4T metering rules (22 June 2011)
All parties to the Traction Electricity Rules may propose changes. This section has the documentation relating to each proposed change made in accordance with paragraph 11 of the Rules.
Original proposal: Proposal for changes to EC4T metering rules to accommodate metered freight operators - Network Rail letter (December 2011)
Original proposal: Proposals for changes to the EC4T metering rules (OTM incentive charges) (December 2012)Original proposal: Network Rail conclusion letter (January 2013)
Modified proposal: EC4T metering rules (proposed changes in track) (February 2013)
Modified proposal: Network Rail endorsed proposal (February 2013)
Virgin Trains (January 2013)
First Capital Connect and First ScotRail (January 2013)
Porterbrook (January 2013)
Go-Ahead (January 2013)
Original proposal: London Midland consultation on changes to losses mark-ups (December 2012)
Original proposal: London Midland endorsed proposal on changes to losses mark-up (February 2013)
Proposed rules change - Scotland electrification - changes to ESTA boundaries (May 2014)
The Traction Electricity Rules may be updated from time to time, in addition to each time an operator opts-in for on-train metering.
The approval notices from ORR for changes to Traction Electricity Rules can be downloaded here:
ORR decision letter - TERs Scotland ESTA change (August 2014)ORR approval notice - TERs Scotland ESTAs change (August 2014)ORR c2c 46th SA appendix amendment notice (June 2014)ORR Southern 29th SA appendix amendment notice (June 2014)SSWT 50th SA, TER appendix amendment notice (May 2014)ORR Southern 23rd SA approval notice (23 December 2013)ORR Southern 23rd SA decision letter (23 December 2013)ORR decision - losses mark-ups (May 2013)ORR consent notice - OTM incentive charges (March 2013)ORR approval notice - EC4T metering rules, appendix amendment notice (26 March 2013)ORR approval notice - Southern Railway Limited,approval of amendments to Track Access Agreement (March 2013)ORR approval notice - EC4T metering rules, appendix amendment notice (12 March 2013) ORR approval notice - Change to metering rules (OTM incentive charge) (March 2013) Consent notice - changes to accomodate metered freight operators (3 May 2012) ORR FCC 42nd SA approval notice (February 2012) ORR LM 23rd SA and Southern 2nd approval notices (June 2011) ORR WCT 9th approval notice (April 2011)
We levy an OTM Incentive Charge on metered operators, where there are significant levels of missing metered data.
The provisions relating to this incentive charge is outline under paragraph 7 of the Traction Electricity Rules.
Information on OTM incentive charge fund (June 2014)
In accordance with the Traction Electricity Rules, we are required to maintain and make available on our website the following information:
Metered electricity consumption and infill (August 2014) Relevant Vehicle Categories receiving a Regenerative Braking Discount (1 April 2014)
The Network Rail metering data interface specification explains in detail, in accordance with any applicable standards, the manner and format in which metered data should be provided.
We will update this document from time to time in discussion with the relevant train operators. You can download the current version here:
Current Network Rail metering data interface specification (June 2013)
Previous Network Rail metering data interface specification (8 September 2011)
Network Rail proposal: Proposed approach to amend the metering data interface specification document (May 2013)
Network Rail proposal: Tracked changes linked to May 2013 proposed approach (May 2013)
Current policy - Use of the safety and environment fund for on-train metering (May 2013)
Previous policy: Use of the Safety and Environment fund for on-train metering (September 2011)
Consultation – proposal for an alternative use of the safety and environment fund for on-train metering (March 2013)
c2c (March 2013)First Capital Connect (March 2013)First Scotrail (March 2013)Greater Anglia (March 2013)Merseyrail (March 2013)South West Trains (March 2013) Southeastern (March 2013)Southern (March 2013)Virgin Trains (March 2013)
Transitional risk sharing mechanism: 2012/13 statement (September 2013)
Transitional risk sharing mechanism: 2011/12 statement (September 2012)
Transitional risk sharing mechanism: 2010/11 statement (September 2011)
Proposal to publish information replating to the OTM incentive charge (April 2014)
Network Rail proposal - auditing and re-calibrating on-train energy measurement systems (May 2013)
Network Rail conclusions – auditing and re-calibrating on-train energy measurement systems (October 2013)
Non-traction uses of electric current for traction (EC4T) response letter (October 2011)