ENCOMPASS POWER PLANNING SOFTWARE

PROVEN AND ACCEPTED

EnCompass is recognized and accepted by public service commissions, customer, and environmental groups

PROVEN AND ACCEPTED POWER PLANNING AND FORECASTING SOLUTIONS METHODOLOGY

EnCompass modeling software is proven and accepted. It has been used as the basis for regulatory filings in 17 states and is recognized by main intervenors. It is broadly accepted by consumer and environmental groups. It was designed with more capabilities to evaluate new technologies for decarbonization and sustainability.

PROVEN AND ACCEPTED POWER PLANNING AND FORECASTING METHODOLOGY

GREAT RIVER ENERGY

Great River Energy uses EnCompass modeling to evaluate coal retirement

The interim IRP update details Great River Energy’s plan to build a reliable, affordable, and environmentally responsible power supply portfolio. GRE relied on EnCompass results to determine the benefits of retiring its major coal plant across multiple scenarios and sensitivities.

“The EnCompass planning software was used to perform capacity expansion modeling to identify the least cost future resource portfolio. GRE has implemented the EnCompass model since its previous Integrated Resource Plan.”

The 2021 Interim IRP Update document includes a section titled “EnCompass modeling” on page 6, which describes how it used the software to decide to retire its major coal-fired power plant and replace it with renewable energy, natural gas, and market purchases. https://greatriverenergy.com/making-electricity/future-plans/

MINNESOTA POWER

EnCompass is the analytical foundation for Minnesota Power’s transformational IRP

Minnesota Power used EnCompass software to develop a low-cost, reliable resource plan that retires all coal generation by 2035. One year after implementing EnCompass, Minnesota Power relied on its advanced capabilities to determine its resource plan featuring low carbon emissions and high levels of renewable energy.

The 2021 IRP Filing calls for 70% renewables by 2030 and an 80% reduction in carbon emissions and a coal-free generation mix by 2035. In the cover letter to the filing, the company states they are “pleased to be the first Minnesota utility to initiate an IRP and Baseload Retirement Study using the EnCompass Power Planning model from the outset. Establishing this sophisticated model has involved many months of advance planning, model development, and coordination with the Company’s stakeholders, resulting in the detailed analyses presented in this IRP.” https://www.mnpower.com/Environment/IntegratedResourcePlan2021

PUBLIC SERVICE COMPANY OF COLORADO (XCEL ENERGY)

Xcel Energy switches to EnCompass as the basis for its landmark Clean Energy Plan

The Company’s plan would achieve 85% of carbon reduction by 2030 and deliver nearly 80% of customers’ energy through renewable sources. The capacity plans produced by EnCompass consider more operating details and constraints than any other model, which is a key consideration in the transition to renewables and storage.

Additional reasons cited by the Company for selecting EnCompass include:

Uses a state-of-the-art solver algorithm that finds the optimal power supply portfolio
Allows modeling on an hourly chronological basis, providing increased resolution to accurately model power supply system operations with increasing levels of intermittent generation, storage systems, and ancillary service requirements
Performs utility capital accounting functions to translate power system investments into utility revenue requirements
Meets the need for improved transparency and accessibility by other parties through a data structure that is easy to understand with all inputs and outputs shareable and readable in non-proprietary Excel spreadsheets

https://www.xcelenergy.com/company/rates_and_regulations/resource_plans/clean_energy_plan

PUBLIC SERVICE COMPANY OF NEW MEXICO

PNM Resources relies on EnCompass to generate a plan that exceeds New Mexico’s carbon-free goals

PNM used EnCompass to produce a portfolio that is carbon-free by 2040 (five years earlier than the state goal) utilizing renewables, batteries, and hydrogen. EnCompass allows utilities to meet multiple environmental goals such as renewable requirements and carbon intensity limits by evaluating the latest technologies while maintaining reliability.

The 2020-2040 Integrated Resource Plan relied on the EnCompass model to select a plan that meets a carbon intensity target of 200 lbs/MWh by 2032, and zero carbon emissions and 80% renewable energy by 2040.

In the full report, PNM states, “Our transition to use of EnCompass as the primary analytical tool to support this plan enhances our capabilities to address a number of the emergent challenges in highly renewable electricity systems that these previous tools were not as well-equipped to study.” https://www.pnmforwardtogether.com/irp

CLIENT LIST

Duke Energy
Xcel Energy
Minnesota Power
Otter Tail Power Company
DTE Electric Company
Tennessee Valley Authority
PNM Resources
Liberty Utilities – Empire District
Great River Energy
Southwest Power Pool

Dairyland Power Cooperative
ACES
Hydro Quebec
Arkansas Electric Cooperatives
Arizona’s G&T Cooperatives
Utah Municipal Power Agency
Kentucky Municipal Energy Agency
Vote Solar
Minnesota Department of Commerce

Fresh Energy
Synapse Energy Economics
Old Dominion Electric Cooperative
nFront Consulting
Burns & McDonnell
Central Municipal Power Agency and Services
Colorado Department of Regulatory Agencies

Indiana Municipal Power Agency
North Dakota Public Service Commission
North Carolina Utilities Commission
Tri-State Generation & Transmission Association
Santee Cooper
South Carolina Office of Regulatory Staff

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