New Study Finds That Complementary Policies Can Reduce Costs While Accelerating Emissions Reductions
WASHINGTON, September 13, 2022--(BUSINESS WIRE)--A new report released today by the Clean Energy Buyers Institute (CEBI) and Resources for the Future (RFF) estimates the effects of five policy pathways that would complement the clean electricity incentives in the recently passed Inflation Reduction Act (IRA). The Pathways Toward Grid Decarbonization: Impact and Opportunities for Energy Customers from Several U.S. Decarbonization Approaches report finds that while each policy pathway is impactful, three of the policy pathways accelerate greenhouse gas (GHG) emission reductions while also reducing costs:
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A national high-capacity transmission macrogrid would reduce national average retail electric rates by approximately 1% while reducing U.S. power-sector GHG emissions an estimated 2.6% by 2050.
Expansion of competition among electricity generators via organized wholesale electricity market (OWM) expansion would save $11 billion annually by 2035 and $14 billion annually by 2050 and reduce national power-sector GHG emissions an estimated 8% by 2035.
Expansion of electricity supply choice for commercial and industrial customers would reduce emissions a further 2% beyond the reduction achieved by expanding OWMs.
"Recently passed landmark legislation has the potential to drive unprecedented demand for clean energy and incentivize customers to continue to play a key role in accelerating its uptake," said Bryn Baker, Senior Director, Market and Policy Innovation, Clean Energy Buyers Institute (CEBI). "This report shows that expanding organized markets and transmission, in particular, will be critical to unlocking the IRA’s incentives by directly addressing barriers to bringing clean energy projects to market, reducing customer costs and opening more avenues for customers to be the demand-side drivers of clean energy."
"Energy customers have faced many challenges in accessing clean energy, and our research indicates that transmission investments and electricity market expansion have significant potential to save money, save lives, and reduce climate change, at the same time. That’s like the pharmacist handing you a wad of cash with your prescription," said RFF fellow Daniel Shawhan, lead author of the report. "Furthermore, our research indicates that transmission expansion is even more valuable since the passage of the IRA, to allow the clean generation incentivized by the Act to come from low-cost sites."
"Our analysis indicates that combining organized wholesale electricity market expansion and a transmission macrogrid would likely save more than enough money to fully offset the cost of doubling non-emitting generation in the U.S, to about 80 percent of total generation," said Shawhan.
While transmission investments, electricity market expansion, and supply choice expansion can provide billions of dollars of annual net benefits, they alone are insufficient to drive deep decarbonization. The other two policies assessed in the study—utility-led decarbonization and clean electricity standards —have stronger potential for that, locally or nationally.
Based on detailed modeling of the policies, compared to outcomes in the same years in a reference scenario with none of the policies, the report’s findings indicate:
Table 1: Net Benefits and Greenhouse Gas Emission Reductions from Pathways
Annual Net Benefits
Electricity Sector GHG
A national CES with a target of 100% clean in 2035
A national CES with a target of 78% clean in 2035, and 100% in 2050
All vertically integrated investor-owned utilities achieve 70% clean generation by 2035 and 100% by 2050
A national high-voltage DC transmission macrogrid is constructed by 2035
OWMs are expanded throughout the U.S.
OWM & Supply
OWMs are expanded, and all electricity supply choice is expanded to almost all C&I customers
*Note: The reason that the CESs do not achieve 100% clean generation is that we assume that there are caps on prices that the CES credits can reach, based on the caps in recently proposed U.S. legislation. These price caps limit the costs of complying with the CESs.
More policy-specific findings, such as a policy’s associated retail cost savings and projected clean energy generation, can be found in the Summary for Policymakers and the full report.
Unlocking customer demand
Transmission and organized market expansion, in particular, directly address several challenges slowing clean energy deployment and greater utilization of IRA investments. Transmission allows projects to connect to the grid and move power, and well-functioning, organized wholesale markets reduce production costs for all customers, provide a level playing field to integrate clean energy projects, and serve as a platform through which customers can more efficiently buy and sell clean energy.
Access the Summary for Policymakers or full report, Pathways Toward Grid Decarbonization: Impacts and Opportunities for Energy Customers from Several U.S. Decarbonization Approaches, HERE.
Daniel Shawhan, Steven Witkin, and Christoph Funke of RFF conducted and wrote the study. The Clean Energy Buyers Institute and RFF funded the study.
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