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Triennial Plan VI (Fiscal Years 2026-2028)

The Maine Public Utilities Commission approved the Efficiency Maine Trust’s Triennial Plan for Fiscal Years 2026-2028 on April 25, 2025. The plan may be found below, or click here for the docket (no. 2024-00310) at the Maine Public Utilities Commission.

Triennial Plan for Fiscal Years 2026-2028 (as approved 04/25/2025)

Primary Benefits of Triennial Plan VI

Appendices

A. Budget and Performance Metrics 
B. Triennial Plan VI Measure Details

B-1. Measure Screening for Cost-Effectiveness
B-2. Program Budget Roll-Up 

C. Regional Greenhouse Gas Initiative (RGGI) Revenue Forecast

D. Long-Term Target Results

E. Avoided Costs

E-1.Staff Testimony
E-2. Avoided Energy Supply Components in New England: 2024 Report, Synapse Energy Economics, Inc.

E-3. Triennial Plan VI Avoided Energy Cost Data Set

F. Summary of Initiatives Serving Low-Income Customers

G. Statutory Budget Allocation Requirements

H. Beneficial Electrification Plan 

H-1. Beneficial Electrification Plan for Maine 
H-2. Reliable Reduction in Rates Screen

I. Residential Baseline

I-1. Staff Testimony
I-2. Maine Residential Baseline Assessment 2024, NMR
I-3. 2015 Maine Residential Baseline Assessment, NMR

J. Heat Pump Analysis and Considerations

J-1. Staff Testimony

J-2. Residential Heat Pump Evaluation, Ridgeline Energy Analytics

J-3. Commercial and Industrial Heat Pump Evaluation, DNV

K. Comprehensive Literature Review

K-1. Staff Testimony

K-2. Triennial Plan VI Potential Measures Memorandum, Cadmus

K-3. Measure Discovery Report, Cadmus

L. Electric Vehicle and Public Electric Vehicle Charging, Analysis, and Considerations

L-1. Staff Testimony

L-2. Plan for EV Infrastructure Deployment (PEVID)

L-3. Electric Vehicle Market Assessment, Dunsky Energy and Climate Advisors

L-4. Load Impacts from Electric Vehicles in Maine, Dunsky Energy and Climate Advisors

M. Natural Gas Programs

N. Heat Pump Water Heater Analysis and Considerations

O. Demand Management Program Analysis and Considerations 

O-1. Staff Testimony

O-2. Demand Management Program Benefit Cost Analysis

P. Commercial and Industrial Lighting Opportunity

Click here for additional background on the Triennial Plan VI stakeholder process and input.

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