Distributed Energy Resource Management System (DERMS)

ETAP Grid™ Solution for Distribution Systems

Distributed Energy Resource Management System (DERMS)

Increase hosting capacity while maintaining grid reliability from modeling to operations

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ETAP DERMS™ is an integrated module within ETAP Grid™ Solution for Distribution Systems used for network planning (ETAP DNA) and real-time grid operations (ETAP ADMS). ETAP DERMS integrates with ETAP Microgrid EMS hardware and software control system providing a true end-to-end modeling, analysis, monitoring, optimization and control solution.

ETAP DERMS highly depends on the specific location (grid connection) of each asset. Leveraging the common ETAP geospatial network model utilized for network planning and real-time operations (SCADA, DMS and OMS), ETAP DERMS taps into smart inverters, storage, combined heat and power units (CHPs) and other distributed generation to improve grid resiliency, power quality, and enable ancillary services.

ETAP DERMS includes integrated hosting capacity analysis network planners. Feeder hosting capacity not only determines the traditional maximum hosting capacity but also the individual location of hosting capacity and allows for “what-if” simulation with distribution automation devices for planned capacity relief. 

Utilizing distributed architecture for model management and simulation, ETAP DERMS grid management manipulates real and reactive unbalanced power flows in real-time along individual distribution feeders including volt/var management, optimal power flow and locational capacity relief to regulate grid conditions and minimize voltage excursions, blackouts and power outages.

    Benefits of ETAP DERMS

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    Grid Reliability and Performance

    • Network visibility at the Grid Edge
    • Gain insights to DER events and effectively monitor and control assets downstream of the substation and behind the meter
    • Significantly reduce voltage excursions and maintain higher network stability
    • Integrates with Volt/VAR Optimization for feeder voltage and reactive power management
    • Integrates with Feeder Hosting Capacity for locational capacity relief and active power management

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    Leverage DER Portfolio

    • Reduce capital spending on central power plants and realize savings from lower operational costs through distributed generation
    • Increase feeder hosting capacity for DERs
    • Achieve regulatory targets for renewable generation, with minimal investment in network capacity
    • DER forecasting – forecast available capacity of the DER e.g. solar

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    Diverse Asset Management

    • Fast network response, real-time control and optimization of assets
    • Manages various DER and traditional distribution assets e.g. capacitor banks, voltage regulators and tap changers
    • Manages various categories of distributed energy assets such as batteries, smart solar inverters, capacitors and other controllable loads
    • Includes behind-the-meter and larger utility-grade resources, while capitalizing on the benefits from the distributed resources

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    High performance and scalability

    • Situational intelligence through a common as-planned and as-operated unified geospatial network model
    • Distributed computing architecture enables the computation of hundreds of thousands of assets on a distribution network
    • Integrates with utility control center utilizing ETAP ADMS as well as aggregators and microgrids utilizing ETAP Microgrid EMS.
     

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