£83m network evolution as Northern Powergrid embraces rapid changes in generation and use

By Grimsby Telegraph | Posted: 26 Jan 2018

NORTHERN Powergrid has announced details of an £83 million programme to prepare the regional economy for rapid growth of electric vehicles, domestic heat pumps and renewable power.

Smart Grid Enablers, the UK’s most comprehensive network upgrade programme, is creating the backbone of a smart grid, supporting the North’s ambitions to put low-carbon technology at the centre of its economy, and enabling solutions that could save up to £500 million by 2031.

It will run to 2023 and deliver the most radical change to the network since the 1970s, transforming its ability to monitor, control and communicate with more than 8,000 substations delivering power to 3.9 million homes and businesses in northern Lincolnshire, Yorkshire and the North East.

The programme will underpin the company’s transition into a Distribution System Operator, providing a platform to roll out smart, cost-effective solutions to actively manage a network with complex power flows that are hard to predict.

The company shared the latest details with customers, businesses and energy industry figures at a consultation event on its future plans in York.

Patrick Erwin, pictured right, policy and markets director at Northern Powergrid, said: “Our Smart Grid Enablers programme is putting our region at the forefront of the low-carbon revolution. It will make us ready to support rapid growth of electric vehicles, heat pumps and solar power in the next decade, while maintaining a reliable system and keeping costs as low as possible for all our customers.

“This is the most comprehensive upgrade programme of any UK network operator and will give us a state of the art command and control capability, enabling us to respond to real-time information about power flow on our network.”

The programme responds to unprecedented change in the UK’s energy system. Increasing amounts of electricity are being produced by solar panels, wind farms and other forms of intermittent, local generation. New ways to manage supply and demand are going mainstream, such as battery storage and paying big energy users to reduce consumption at peak times. Homes are becoming mini-power stations generating and storing electricity with solar panels and home batteries. Electric vehicles and heat pumps will increase demand but also introduce new scope for flexible consumption.

Smart Grid Enablers will create a platform that will let Northern Powergrid roll out smart solutions to support the growth of this low-carbon energy system. The company calculates that it would need to spend £400 to £500 million more from 2023 to 2031 if it had to rely on conventional solutions.

By enabling rapid take-up of low-carbon technologies, Smart Grid Enablers will also support the ambitions of the Northern Energy Taskforce, which has set out proposals for the North to lead the UK’s low-carbon transition and create a regional economy that could be worth £15 billion a year and support 100,000 jobs by 2050.

MORE: Wind power hits 10GW as Grimsby plays its part

Northern Powergrid is the first local network operator to develop and deliver a co-ordinated and holistic programme to upgrade and future-proof the entire system for monitoring and controlling its sub-stations. The complex task involves overhauling a communications network that is the largest private telecoms network in its region, and upgrading more than 8,000 substations without any disruption to customers.

The company has established a dedicated team to co-ordinate the Smart Grid Enablers programme, which will be carried out by its team of nearly 100 specialist engineers. It is recruiting and training staff in the skills needed to install and operate more dynamic control systems, develop the smart solutions they will enable, and integrate these into routine operations.

By 2023 Northern Powergrid will replace or install more than 1,900 substation and transformer control units that allow engineers to monitor and control equipment in real time. The communications network to these units will be upgraded to create a secure, resilient digital system capable of transmitting large amounts of data, and it will be expanded further to provide detailed visibility of what is happening on the grid at a local level.

By understanding actual load on key equipment, Northern Powergrid will be able to save money by only investing in upgrades where they are really needed.

By understanding actual load on the system, it will be able to identify where it can connect more solar power and electric vehicles without costly upgrades.

By being able to control voltage on local networks, it will be able to support increased numbers of solar panels and electric vehicles.

The programme will upgrade equipment dating from the 1950s to the 1990s and install new technology. It includes:

  • Installing high-bandwidth digital communications links to over 860 major substations and 7,200 secondary substations replacing old analogue links.
  • Replacing transformer monitoring control units in 750 major substations and the equipment that allows them to control voltage.
  • Replacing or upgrading substation controllers in over 860 major substations.
  • Installing monitoring equipment for the first time in 1,300 secondary substations and obtaining data from 2,000 existing sites.
  • Creating new data warehouses to process data from substations and from domestic smart meters.

MORE: High profile £1.2m investment in Grimsby eco energy innovators



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