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In May 2019, Gov. Jay Inslee signed into law a landmark piece of legislation that will transform the electrical supply across Washington over the next 25 years.

The Clean Energy Transformation Act (CETA) commits the state to transition to 100 percent clean electricity by 2045.

Electricity production is the third-largest source of carbon emissions in the state. The bill aims to curb that by eliminating coal power, including the importation of electricity produced by coal-fired power plants in neighboring states, by 2025. Washington utilities, including Inland Power & Light, are required by law to transition to a carbon-neutral electricity supply by 2030, before eliminating fossil fuel electricity production completely by 2045.

Compliance with the new law presents unique challenges and opportunities to Inland Power and more than 60 other utilities from around the state.

While Inland Power purchases nearly 95 percent of its power from non-carbon emitting sources—83 percent of which is carbon free, renewable hydropower—about 5 percent of the energy is produced on the open market and is not guaranteed to be carbon-free.

Inland Power's leadership team and leaders from other publicly and privately-owned utilities are working with state officials to define parameters and optional pathways to reaching those goals while still providing customers with reliable and affordable electricity.



CETA was just one bill in a suite of clean energy legislation signed into law during the last legislative session. The ambitious package aims at meeting carbon reductions proposed in the Paris climate accord, which the federal government announced its intention to leave in 2017.

To meet the 2030 standards mentioned above, utilities will have to replace coal-based resources with non-emitting and renewable sources, be they wind, hydropower or other sources, in addition to becoming more efficient.

The law includes provisions that strive to protect low-income customers and benefit all state residents—including those that would be affected most through climate change and environmental pollution. Utilities will be required to provide energy assistance to low-income customers and to tailor programs to vulnerable populations and households with high energy burdens.

The legislation requires utilities to use a framework that enables the facilitation of public participation and oversight while working to meet reduction goals.

Utilities will be required to account for the costs of carbon pollution when considering energy sources. They must develop short- and long-term plans clean energy plans that demonstrate how they’ll meet carbon standards for the lowest reasonable cost.


  • Clean Energy Plans: Utilities must develop clean energy plans on a frequent basis. The first milestone for all electric utilities comes in 2022 when they must prepare and publish a clean energy implementation plan with targets for energy efficiency and renewable energy.

  • Regulatory Flexibility: The Utilities and Transportation Commission, one of the state agencies tasked with overseeing the implementation of CETA, may use performance-based rate making and other tools to work with utilities as they try to meet lower emission standards.

  • Renewable Resources: As it has been since the New Deal Era, hydropower will continue to play a central role in the Pacific Northwest energy supply in the CETA era. Still, utilities are expected to look to other technological innovations and investments that will reduce emissions in other areas.

  • Alternative Solutions: In an effort to reach their lower emission goals, utilities may turn to other sectors to reduce pollution. That may include, but is not limited to, expanding and incentivizing the local electric vehicle charging grid to facilitate the transition away from gasoline engines.

  • Emerging Technology: State lawmakers are aware that renewable energy technologies are still in their infancy and many are not yet ready to be scaled to real world applications. The law provides a cost cap so that utilities won’t be penalized if they can’t meet reduction deadlines because renewable products aren’t available or affordable.

Inland Power Clean Energy Implementation Plan (CEIP)

To view Inland Power's Clean Energy Implementation Plan, click here

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