Ofgem has confirmed it will reduce National Grid's spending allowances in its current price controls for running the high voltage electricity grid and high pressure gas main by £185 million.
In May last year we launched a mid-period review of the 2013 to 2021 energy transmission price controls. In August we announced a consultation on our minded to decision to reduce National Grid's spending allowances by £185 million.
The final changes in allowances are as follows:
· A reduction in National Grid's allowances for the high pressure gas pipeline price control by £168.8 million. This is because the Avonmouth gas pipelines it planned to build are no longer needed.
· A reduction in National Grid's allowances for the high voltage electricity grid price control by £38.1 million. This is because less fault protection works are needed due to fewer generators connecting to the high voltage grid. This has not affected the reliability of the high voltage network.
· An additional £21.5 million for system operation. The electricity system is going through major changes as we move to a low carbon economy. So National Grid (as system operator) has a bigger role to play. This includes providing additional supply and demand balancing services.
Changes to National Grid's revenue will take effect from April 2018.
Ofgem has also opened a consultation on making further changes to the price control allowances of transmission and gas distribution companies. This includes proposals to reduce National Grid Gas Distribution's allowances by £54m. This reflects that some work on its medium pressure gas mains will not be delivered in this price control period.
1. A copy of Ofgem's decision on mid-period review is https://www.ofgem.gov.uk/publications-and-updates/mid-period-review-decision
The review did not re-open the price control (for example changing key financial aspects such as the allowed cost of capital).
A copy of Ofgem's consultation on further changes to allowances of transmission and gas distribution companies under parallel work for the mid-period review is here https://www.ofgem.gov.uk/publications-and-updates/consultation-mid-period-review-parallel-work
Links to the reports are below:
RIIO Electricity Transmission Annual Report 2015-16 - https://www.ofgem.gov.uk/publications-and-updates/riio-electricity-transmission-annual-report-2015-16
RIIO Electricity Distribution Annual Report 2015-16 - https://www.ofgem.gov.uk/publications-and-updates/riio-electricity-distribution-annual-report-2015-16
RIIO Gas Distribution Annual Report 2015-16 - https://www.ofgem.gov.uk/publications-and-updates/riio-gas-distribution-annual-report-2015-16
RIIO Gas Transmission Annual Report 2015-16 - https://www.ofgem.gov.uk/publications-and-updates/riio-gas-transmission-annual-report-2015-16
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