Integrated system planning
News and Notes

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E3 Selected to Lead the Next Phase of CPUC IRP Support

May 13, 2025

We're excited to share that E3 has been selected to continue supporting the California Public Utilities Commission (CPUC) Integrated Resource …

A Roadmap for Integrated System Planning

October 22, 2024

Integrated system planning is a pioneering effort to integrate generation, transmission, distribution, and customer/DER planning in a single holistic process. …

E3 Supports Salt River Project in Completing First-Ever Integrated System Plan

July 9, 2024

Recently Salt River Project (SRP), a not-for-profit utility that provides water and energy to more than 2 million people in …

E3’s Planning Practice Wins Excellence Award from ESIG

April 26, 2023

At its recent Spring Technical Workshop, the Energy Systems Integration Group (ESIG) recognized E3’s Arne Olson and E3’s planning practice …

E3 Provides End-to-End Modeling to Support EPE IRP Filing

October 4, 2021

El Paso Electric (EPE), an electric utility serving customers in Texas and New Mexico, filed its latest Integrated Resource Plan …

Wind turbines at sunsetE3 Assists PNM in Creation of 2020 IRP

March 3, 2021

E3 assisted the Public Service Company of New Mexico (PNM) in the creation of their 2020 Integrated Resource Plan (IRP). …

E3 Examines Role of Nuclear Power in a Deeply Decarbonized Pacific Northwest

March 9, 2020

Following 2019 Washington state legislation calling for emissions-free electricity by 2045, E3 recently investigated the role of zero-emitting firm resources …

Viewpoint: A Smart Transition to 100% Clean Energy

December 19, 2019

In a recent opinion piece for UtilityDive, E3’s Arne Olson and Dan Mullen argue that a smart transition to 100% clean energy …

E3 Testimony Supports Georgia’s Largest-Ever Solar Procurement

July 25, 2019

Georgia Power, the Southern Company subsidiary that is the state’s largest electricity provider, will procure more than 2 GW of …

In Minnesota, Xcel Lays Out Clean Energy Vision with E3 Support

July 3, 2019

On July 1, Xcel Energy filed its 2019 Integrated Resource Plan (IRP) for its Upper Midwest system with the Minnesota …

E3 Completes Study of Policies to Decarbonize Electric Sector in the Northwest

January 9, 2018

On behalf of the Public Generating Pool (PGP), a group of hydro-owning public power entities in Washington and Oregon, E3 …

HECOnewlogoE3 Helps Hawaiian Utility Win Approval for 100% RPS Plan

July 22, 2017

Hawaiian Electric Companies is the first U.S. utility with an approved long-term plan to meet a 100% Renewable Portfolio Standard …

Western Interconnection Flexibility Assessment

January 30, 2016

E3 recently completed an assessment of the flexibility of the generation fleet of the Western Interconnection under a range of …

Jim Williams Speaks on “Deep Decarbonization of the United States”

May 15, 2015

On May 13, 2015, E3 Chief Scientist Dr. Jim Williams gave an invited talk on "Deep Decarbonization of the United …

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