An Act to Promote Responsible, Cost-effective Energy in Maine by Amending the Tariff Rates Applicable to the Commercial and Institutional Net Energy Billing Program
Summary
LD 1317 amends Maine’s commercial and institutional net energy billing program by changing how tariff rates are set for distributed generation resources used in the program. Under current law, different tariff formulas apply depending on the size and status of the project. This bill keeps the existing 2025 framework in place through the end of 2025, but beginning January 1, 2026, it shifts the Public Utilities Commission to a rulemaking role for setting the tariff rate applicable to all customers in the program, regardless of project size.
The bill establishes a transition schedule for the tariff rate. For 2026, the commission must set a rate above 12 cents per kilowatt-hour but no higher than the lower of the 2025 tariff rates. For 2027, the rate must again be above 12 cents but no higher than the 2026 rate. Beginning January 1, 2028, the tariff rate is fixed at 12 cents per kilowatt-hour. The bill also preserves the existing 2025 treatment for certain projects, including larger projects that meet specified construction-start criteria or are sufficiently subscribed by net energy billing customers, and smaller projects at or below one megawatt.
Impact
This bill would amend the statutes governing Maine’s commercial and institutional net energy billing program by replacing the current size-based tariff structure with a phased-down statewide tariff framework beginning in 2026. It would give the Public Utilities Commission authority to establish the 2026 and 2027 rates by rule within statutory bounds, and then require a fixed 12-cent-per-kilowatt-hour tariff starting in 2028. The change would affect developers of distributed generation resources, participating commercial and institutional customers, and investor-owned transmission and distribution utilities that administer credits under the program.
Sentiment
Based on the bill title and structure, the measure appears to be framed as a cost-control and rate-stabilization proposal rather than an expansion of the program. The available record contains no committee transcript or recorded votes, so there is no direct evidence of support or opposition in the provided materials. The bill’s language suggests an intent to make net energy billing more predictable and less costly over time, which may appeal to ratepayer and utility cost concerns while drawing interest from renewable energy developers and program participants.
Contention
The main point of contention is likely the reduction and eventual cap of net energy billing tariff rates, which could lower compensation for distributed generation projects over time. Developers of larger solar or other distributed generation facilities may object to the scheduled decline and the 2028 fixed rate, especially if their project economics depend on higher credits. By contrast, supporters are likely to emphasize affordability, ratepayer protection, and the need to align the program with cost-effective energy policy. The bill also preserves special treatment for certain projects already underway or heavily subscribed, which may reflect an effort to balance transition concerns with broader rate reform.
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A bill for an act relating to energy systems by modifying electric power generation, energy storage, and transmission facility ratemaking principles, creating tariffs for public utility innovation programs, implementing land restoration standards, including right of first refusal, modifying the energy infrastructure revolving loan program, and creating regulations for anaerobic digester systems, making appropriations, providing penalties, and including effective date and applicability provisions.(See HF 834.)
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