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MSCDN / Series Compensation

Elvanfoot MSCDNMechanically Switched Capacitor with Damping Network (MSCDN)

MSCDN equipment is an important part of SP Energy Networks ongoing commitment to delivering a reliable and resilient service to all our customers and stakeholders. MSCDN is a highly developed form of mechanically switched capacitor which assists in managing and controlling system voltage levels across the network.

The programme to install MSCDN is now completed at various locations across our Transmission Network in Central and Southern Scotland including Elvanfoot, Windyhill, Longannet and Moffat.

Series Compensation

Series Compensation is one of two complimentary projects which, on completion, will result in increasing the Scotland - England interconnector capacity to 4400MW.  Series Capacitor banks installed in substations at Eccles, Moffat and Gretna to reduce the impedance of the interconnector circuits between Strathaven and Harker and Eccles and Stella by 35% increasing the power flow capacity in the circuits.

The programme is at an advance stage of construction with the west coast works now complete and the remaining works on the east coast scheduled for completion during 2017.

Contact Information

Should you require any further information on these programmes please make contact via the following phone number or e mail address

Community Liaison phone number – 07516461129
Community Liaison

To view our ongoing investment projects in Scotland, please select from the menu below: