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BENEFITS OF ANM CONCLUSIONS

UK Power Networks have used ANM solutions on their Techniques for integration of DER are adding value
Flexible Plug & Play project [3] which was a project to through facilitating the growth of renewable generation,
increase the generation hosting capacity, and to provide and doing this without network reinforcement, thus
cheaper and faster connection of Distributed Generation reducing the connection costs. Integration of DER is
to constrained parts of the network. This was a trial using extracting value because it’s making available the latent
smart grid technologies and smart commercial capacity in the network. However, commercial
agreements, enabling approximately 100 MW of arrangements will need to be in place to manage the
generation to be added onto the grid making savings of enforced intermittent nature of the DER under an ANM
roughly $38m in connection costs. scheme. In addition, there may be a risk of nuisance
tripping and potential impact to power quality levels on
Scottish & Southern Electricity Networks have used similar the network.
ANM schemes on projects both in the Orkney [4] &
Shetland Islands [5] to increase the generation capacity of Utilities need to be clear on the decisions driving
the networks without having to make reinforcement. On investment. It may be necessary to recognize the
the Orkney Islands there was an extra 39MW of generation opportunity to skip a technology, and invest with
added, making a saving of approximately $36m in flexibility as a core element.
connection costs. On the Shetland Islands there was an
extra 8.5MW of generation added which displaced diesel
generation making a saving of $1.2m per year.

References

https://www.westernpower.co.uk/docs/About-us/Our-business/Our-network/Strategic-network-investment/DSO-Strategy/DSO-Transition-Strategy.aspx
TIMED CONNECTIONS, EDS 08-5021, UK Power Networks.
FLEXIBLE PLUG AND PLAY PROJECT: KEY CONSIDERATIONS FOR NETWORK WIDE ROLL OUT OF ACTIVE NETWORK MANAGEMENT
FOR DISTRIBUTED GENERATION CONNECTIONS, CIRED Workshop - Rome, 11-12 June 2014,
Sotiris GEORGIOPOULOS UK Power Networks, Graham Ault, Smarter Grid Solutions
Active Network Management(Orkney)
https://www.ofgem.gov.uk/ofgem-publications/88169/dglearning.pdf
Northern Isles Energy Solutions (NINES) Active Network Management (ANM) System
https://www.ninessmartgrid.co.uk/wp-content/uploads/2013/11/Shetland-Active-Network-Management-System_Use-Cases_Sep20121-v-0.1.pdf

ABOUT THE AUTHOR

Tim Spearing is responsible for the product management of the automation business in
Lucy Electric. These range from secondary RTUs to complete SCADA and automation
solutions. Tim has a BSc (Hons.) in Information Technology, an MBA from Aston
University, and is a Chartered Engineer, a Member of the IET, and a key supporter and
contributor to IET Developments in Power System Protection (DPSP), the IET Midlands
Tim Spearing Power Group in the UK, the UK Smart Grid Forum, and EU Smart Grid Task Force.

CE INDUSTRY Journal 23