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Accelerated Loss Of Mains Change Programme
We, alongside other Distribution Network Operators (DNOs) and Independent Distribution Network Operators (IDNOs), are joining forces with National Grid ESO on their 'Accelerated Loss of Mains (LoM) Change Programme'. The initiative helps owners of generation assets make the necessary changes to ensure compliance with new settings introduced under the Distribution Code.
The new requirements specify that the current protection settings required for any new generation connecting to the network must now also be applied retrospectively to existing generation with loss of mains protection.
Loss of mains protection is used to prevent damage when issues occur on the electricity distribution network with old methods of protection leading to the disconnection of generation unnecessarily. The effect of this, more often than not, happens when more renewable generation is running and the costs of trying to stop any disruptions are paid for by the consumer and electricity industry. Changing loss of mains protection will therefore deliver a step change in how the electricity system can be operated allowing more low carbon power at a lower cost.
All owners of generation installed prior to February 2018, where generation equipment is not type-tested, and that currently comply with EREC G59, now need to comply with new settings required for the interface protection. This means owners will need to make changes to their protection settings, and have until 1 September 2022 to do so.
We recognise that generators may incur some costs as a result of having to make these necessary changes, and the industry has arranged for support and funding to be available to help. To qualify for funding support, generators need to register their assets through the ENA's dedicated portal, this can be found on the ENA's website.
The funding is limited and will be awarded based on a set of criteria which will be published on the Energy Network Association’s website. One of the criteria relates to how soon generators can make the changes, so there is a benefit in applying early.
For further information, please visit the Energy Network Association’s website.