Distributed Energy Resource Management System (DERMS)

ETAP Grid? Solution for Distribution Systems

Increase hosting capacity while maintaining grid reliability from modeling to operations

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

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

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

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

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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