MISO Grid-Forming Battery Energy Storage Capabilities, Performance, and Simulation Test Requirements Proposal - DRAFT Whitepaper July 2024 Version 0.2

Sep 4, 2026

A proposal draft outlines MISO’s approach to grid-forming battery energy storage capabilities, defining capability and performance requirements supported by simulation tests. The document addresses why the evolving energy landscape demands grid-forming control technologies to maintain grid stability during the fleet transition, and it presents recommended practices aligned with industry direction and IEEE 2800 integration. It also specifies modeling, data exchange, and conformance assessment procedures with functional test system designs and success criteria, including multiple test setups and example test results.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages44

Reading Time1 h 51 min

AccessFree to download

Executive summary

Scope and Background

Introduction

Scope

Drivers and Industry Landscape

MISO’s GF M IBR requirement development

Capability and performance requirements and recommended practices

General

Voltage source capability requirements

Background on voltage source capability requirements

requirements to integrate IBR GFM with IEEE 2800-2022

MISO Recommended practices

IEEE 2800 compatability and integration discussion

Modeling and data exchange

Model quality fundamentals

Data requirements and documentation

Conformance assessment procedures

General

Process

Functional test systems

Test set-up A: Loss of last synchronous machine

Test set-up B: Variable source and impedance

Test descriptions and success criteria

Example Test Results

LLSM Case 1 – Charging

LLSM Case 2 – Limits

LLSM Case 3 – Power Balance

MISO Grid-Forming Battery Energy Storage Capabilities, Performance, and Simulation Test Requirements Proposal D R A F T W h i t e p a p e r Ju ly 2 0 2 4 ( Ve rs io n 0 . 2 ) Highlights • The evolving energy landscape requires MISO and the industry to adopt available grid-forming control technologies to support MISO’s Reliability Imperative and grid stability as the fleet transitions. • MISO proposes an initial draft framework of capability and performance requirements with supporting simulations tests to determine conformity. • MISO’s current effort aligns with the general direction of industry to anticipate advancements in gridforming inverter technology capabilities and standard maturity. Table of Contents .................................................................................................................................................. 1 Executive summary ........................................................................................................... 4 Scope and Background ..................................................................................................... 6 Introduction.......................................................................................................................................................................................6 Scope ....................................................................................................................................................................................................8 Drivers and Industry Landscape ................................................................................................................................................ 9 MISO’s GF M IBR requirement development ..................................................................................................................... 13 Capability and performance requirements and recommended practices .. 16 General ............................................................................................................................................................................................. 16 Voltage source capability requirements .............................................................................................................................. 16 Background on voltage source capability requirements .......................................................................................... 17 requirements to integrate IBR GFM with IEEE 2800-2022 ......................................................................................... 17 MISO Recommended practices ............................................................................................................................................... 18 IEEE 2800 compatability and integration discussion ...................................................................................................... 20 Modeling and data exchange ...................................................................................... 23 Model quality fundamentals..................................................................................................................................................... 23 Data requirements and documentation ............................................................................................................................... 24 Conformance assessment procedures..................................................................... 24 General ............................................................................................................................................................................................. 24 Process ............................................................................................................................................................................................. 25 Functional test systems .......................

FAQs

What is the purpose of this MISO draft proposal?

It proposes an initial framework of grid-forming battery energy storage capability and performance requirements, supported by simulations and tests to determine conformity.

Why does the document emphasize grid-forming control technologies?

It explains that the changing energy landscape and the transition of the generation fleet require grid-forming control technologies to support reliability imperatives and maintain grid stability.

What does the proposal cover regarding validation and compliance?

It defines modeling and data exchange elements, then details conformance assessment procedures, including functional test systems, test setups, success criteria, and example test results.

Sep 4, 2026

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