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The Regional Greenhouse Gas Initiative is a cooperative, market-based effort of 10 states to cap and reduce CO2 emissions from the power sector. It puts a limit on carbon pollution from large plants, and we reinvest RGGI funds in programs that directly help people, communities, and businesses.
We help Delawareans reduce their carbon footprint by promoting sustainable energy solutions for a thriving environment and economy. Inspired by our vision, we regularly introduce new, innovative, and relevant solutions that will power tomorrow with clean, efficient, and affordable energy. We’re a proud 501(c)(3) RGGI funded nonprofit that you may know as the Sustainable Energy Utility (SEU).
Resources, rebates, and programs to help homeowners save energy and money.
Incentives and solutions for commercial buildings, offices, and small businesses.
Tools and programs designed to help farms and AG operations become more efficient.
Support for schools, municipalities, and nonprofits pursuing clean energy goals.
Shop energy-saving products through Energize Delaware’s online store.
RGGI CO2 cap represents a regional budget for CO2 emissions from the power sector. For 2026, the RGGI cap for the ten participating states is 78,532,784 CO2 allowances.
Post-2020 cap levels have been established through program review and are detailed in the Principles to Accompany Model Rule Amendments. On March 15, 2021, the RGGI States announced the Third Adjustment for Banked Allowances which is applied to the RGGI cap to account for banked CO2 allowances accumulated through the fourth control period. The adjustment was made over a five-year period (2021-2025), as specified in the 2017 Model Rule.
Info from rggi.org
The Regional Greenhouse Gas Initiative (RGGI) is a cooperative effort among the states of Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, and Vermont to cap and reduce power sector CO2 emissions.
RGGI is composed of individual CO2 Budget Trading Programs in each participating state. Through independent regulations, based on the RGGI Model Rule, each state's CO2 Budget Trading Program limits emissions of CO2 from electric power plants, issues CO2 allowances and establishes participation in regional CO2 allowance auctions.
RGGI is the first market-based, cap-and-invest regional initiative in the United States. Within the RGGI states, fossil-fuel-fired electric power generators with a capacity of 25 megawatts or greater ("regulated sources") are required to hold allowances equal to their CO2 emissions over a three-year control period.
A CO2 allowance represents a limited authorization to emit one short ton of CO2 from a regulated source, as issued by a participating state. Regulated sources can use a CO2 allowance issued by any participating state to demonstrate compliance in any state. They may acquire allowances by purchasing them at regional auctions, or through secondary markets.
Info and graphics from rggi.org