EPRI Advances Distributed Energy Resources with New Public Model
June 13, 2022 -- The Electric Power Research Institute (EPRI) announced this weekthe release of an open-source distributed energy resource (DER) model, OpenDER, to support increased renewable energy capacity on the electric grid.
The OpenDER model can be used to assess the static and dynamic behaviors of DER for planning and interconnection studies. EPRI also released a free public model specifications document to complement the OpenDER model software for easy implementation and adaptation of the same model across the electric sector. Providing free, public models, like this one, can help utilities and commercial software companies accurately represent DER systems for planning, operation, and research purposes.
DERs, including solar photovoltaic (PV), battery energy storage (BES), electric vehicle (EV), and controllable load, play an increasingly significant role in decarbonizing the electric sector with increased energy efficiency, lower consumer demand, and greater reliability. In recent years, DERs have increased capabilities, including grid-supportive smart inverter functions. In fact, more commercial products with grid interactive functions are emerging in the market. However, increased DER capability means increased complexity, requiring more advanced and accurate behavior models.
'Making these powerful modeling elements available to all stakeholders provides another tool in the toolbox for utilities, technology providers, and researchers to manage and build greater resilience and reliability as we transition towards a net zero economy,' said Haresh Kamath, director of energy storage and DER at EPRI.
This model represents devices that meet the requirements and capabilities of IEEE 1547-2018, the new IEEE standard for interconnection of DER with electric power systems and associated interfaces. EPRI's OpenDER model will be periodically updated to reflect changing conditions and learnings from laboratory and field evaluations. In future updates, EPRI also plans to incorporate DER behavior models to support analysis of grid disturbances and microgrids.
To learn more about this model specifications and related open-source software, visit the following sources: OpenDER homepage, IEEE 1547-2018 DER Model: Version 1.0 and OpenDER model software.
Source: EPRI
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