T&D World Magazine

NSTAR to Upgrade Substations

Boston-based electric and gas utility NSTAR has contracted Advanced Control Systems to support an ongoing, multi-year substation automation upgrade program. NSTAR has been installing ACS substation managers for more than a year as part of a comprehensive initiative to improve service levels and reliability for its customers.

NSTAR selected ACS based on the company’s responsiveness and flexibility in meeting NSTAR’s specific requirements, and because of the cost-effective, integrated upgrade approach offered by ACS. Approximately 100 ACS Connex 30 substation managers are being deployed over the course of the project, replacing DAQ and Harris remote terminal units and upgrading installed Landis & Gyr systems.

The ACS systems are helping NSTAR meet its reliability goals with state-of-the-art technology that supports applications such as automatic bus restoration. Advanced Control Systems president Dave Moore remarked, “NSTAR is making significant investments in both physical and IT infrastructure to support its ongoing objective to improve reliability and service levels for its customers. ACS is proud to add NSTAR to our growing list of tier-one IOU customers.”





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