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LET THE SUN IN: CLEAN ENERGY IS THE CHEAPEST WAY TO MEET RISING DEMAND
The report compares two pathways for meeting U.S. electricity demand growth through 2030: one relying on fossil fuels and another on clean energy. It finds that a clean energy scenario reduces the incremental cost of meeting demand by $5.1 billion annually in 2030 and offers greater protection against fuel price volatility. To realize these savings, the authors recommend setting ambitious clean energy targets, updating electricity system planning with market-based assumptions, reducing permitting and interconnection barriers, implementing fuel cost sharing to manage risk, improving grid utilization through technologies like surplus interconnection and high-performance conductors, and harnessing demand-side resources such as virtual power plants and distributed energy technologies.
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Document type: Report
From the 2026 session to what’s next: Expanding our work in Virginia
The Clean Air Task Force (CATF) reports on the 2026 Virginia legislative session, highlighting progress in diversifying the electricity portfolio, modernizing procurement, and improving infrastructure siting. Key achievements include the state's planned reentry into the Regional Greenhouse Gas Initiative (RGGI) by July 1, 2026, and the creation of a Chief Energy Officer position. CATF argues that while these targeted improvements are constructive, Virginia must further modernize its Clean Economy Act (VCEA) to better integrate clean firm resources and manage rising electricity demand from data centers and manufacturing.
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Document type: Statement
Data Center Threats in Louisiana
The Union of Concerned Scientists (UCS) warns that Louisiana's current regulatory trajectory could lead to up to $26 billion in electricity system costs and $3 billion in public health damages between 2026 and 2041 due to data center growth. The report highlights a systemic overreliance on fossil gas, which is projected to peak in 2038, and criticizes the Louisiana Public Service Commission (LPSC) for a lack of transparency and inadequate ratepayer protections, specifically citing the 'Lightning Amendment' and the Entergy/Meta project as examples of risky policy. UCS recommends reforming the Integrated Resource Planning (IRP) process, implementing standardized tariffs for data centers, and expanding wind, solar, and grid connectivity to reduce costs and emissions.
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Document type: Policy brief
Data Center Threats in Louisiana
The Union of Concerned Scientists finds that under current policies, Louisiana will meet increased electricity demand from data centers using gas-fired generation, leading to significant costs for ratepayers and environmental damage. Between 2026 and 2041, cumulative electricity system costs attributed to data center growth are projected to be between $14 billion and $26 billion. The analysis further estimates that electricity generation for data centers will result in $1.5 billion to $3.0 billion in public health costs and $35 billion to $87 billion in climate damages by 2041. The report urges the Louisiana Public Service Commission to reform resource planning, ensure technology companies pay for the costs of new demand, and diversify the energy mix with non-fossil resources.
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Document type: Executive summary
Data Center Power Play in Illinois
The Union of Concerned Scientists analysis finds that data center load growth could increase Illinois electricity system costs by $24 billion to $37 billion by 2050 and drive the state to become an energy importer as early as 2030. Under current policies, this growth would increase reliance on in-state fossil fuel plants and out-of-state imports, leading to higher CO2, methane, NOx, and SO2 emissions. The report estimates that this growth could cause between 68 and 403 additional mortalities and up to $124 billion in climate damages by 2050. To mitigate these effects, the document recommends requiring data centers to secure new carbon-free electricity resources, increasing transparency in power reporting, and restoring federal clean energy tax credits.
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Document type: Fact sheet
Data Center Power Play in Wisconsin
The report finds that data centers are the primary driver of near-term electricity demand growth in Wisconsin, which risks increasing reliance on fossil fuels under current policies. By implementing a Clean Electricity Standard and CO2 reduction policies, Wisconsin could generate 83% of its electricity from clean energy by 2050 and reach net-zero CO2 emissions. Such policies would avoid significant health-related costs and mortalities compared to current trajectories. The report recommends reintroducing Integrated Resource Planning and establishing a clean electricity standard to protect ratepayers and the climate.
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Document type: Report
Analyzing the Gas System: A Framework to Reduce Consumer Costs and Risks
The report highlights a trend of massive infrastructure spending by both electric and gas utilities in the U.S., which is driving up consumer energy bills. While the electric sector has a 'full toolbox' of regulatory and technical solutions to manage costs, the author contends that gas utility solutions are 'more nascent and uncharted.' The document proposes the use of a gas system analysis (GSA) to provide the foundational technical information necessary for decision-makers to avoid investing in redundant or irrelevant long-lived assets.
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Document type: Report
ANALYZING THE GAS SYSTEM: A FRAMEWORK TO REDUCE CONSUMER COSTS AND RISKS
The report proposes a Gas System Analysis (GSA) framework to counter rising consumer costs and risks associated with massive gas infrastructure investments. It outlines a three-part process: depicting current system characteristics, defining future scenarios (including business-as-usual and alternative pathways), and forecasting impacts on costs, emissions, and public health. The framework aims to prevent stranded assets and support the transition to clean heat through electrification and non-pipeline alternatives.
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Document type: Report
Optimizing Grid Infrastructure and Proactive Planning to Support Load Growth and Public Policy Goals
The US power sector is experiencing unprecedented load growth, requiring the grid to expand more than five times faster than in the previous two decades. To address this, the report recommends maximizing existing grid value through grid-enhancing technologies (GETs) and demand-side flexibility, accelerating connections via 'energy parks' and streamlined interconnection processes, and adopting proactive, scenario-based planning. It also suggests targeted affordability measures for low-income customers and specialized rate designs for large loads to prevent cost-shifting and stranded-asset risks.
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Document type: Report
Electricity Action Framework and Menu for States
The document introduces a three-part framework consisting of on-the-ground solutions, policy and market-enabling conditions, and state levers. It categorizes electricity system improvements into six areas: system-wide efficiency and demand management, utility-scale clean energy supply, community- and commercial-scale clean energy supply, clean distributed energy supply, improved grid management, and updated grid infrastructure. For each category, the guide suggests specific actions—such as implementing clean portfolio standards, expanding virtual power plants (VPPs), and adopting grid-enhancing technologies (GETs)—and provides sample implementation pathways combining different state levers and market conditions.
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Document type: Guide
Getting Alternative Transmission Technologies to Scale
The report examines the potential of advanced transmission technologies (ATTs), including grid-enhancing technologies (GETs) and advanced conductors, to expand US grid capacity. While pilots have demonstrated success—such as increasing capacity by 40% in the Midwest—widespread adoption is hindered by risk aversion, financial disincentives, a lack of integration into planning processes, and poor cross-utility coordination. The author suggests that large corporate energy users can accelerate deployment through policy advocacy at federal and state levels and by leveraging their influence to catalyze collaboration across different utility service territories.
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Document type: Report
Get a Load of This
The report addresses the surge in US electricity demand, noting that utility integrated resource plans covering 48% of sales expect load to grow 20% from 2023 to 2035. It argues that traditional forecasting is inadequate for new large loads—specifically data centers and industrial reshoring—which possess unique load shapes, high uncertainty, and 'flight risk'. The authors recommend that regulators shift toward scenario-based forecasting, increase the frequency of updates (e.g., quarterly), and implement 'least-regrets' capital investments and risk-shifting tariffs to protect ratepayers from the costs of forecast errors.
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Document type: Report
Four Essential Assumptions for Future-Ready Grid Modeling
The document asserts that traditional grid modeling assumptions are outdated for grids integrating high levels of renewables and distributed energy resources. It identifies three critical model types—capacity expansion, production cost, and resource adequacy models—that require updated assumptions to ensure reliability and affordability. Furthermore, it emphasizes that technical modeling must be paired with an energy equity lens to account for human impacts, such as health and distributional equity, particularly for vulnerable communities.
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Document type: Report
Modeling the DOE’s Energy Infrastructure Reinvestment Program in Resource Planning
The document outlines a three-step approach for utilities to incorporate the DOE's Energy Infrastructure Reinvestment (EIR) program into resource planning: modeling portfolio-wide savings from low-interest financing, prioritizing 'clean repowering' at existing fossil sites, and optimizing transmission investments. It argues that failing to model these factors leads to suboptimal resource portfolios and missed savings. The brief provides technical guidance on calculating forward interest rates, managing compliance costs (such as NEPA and the Davis-Bacon Act), and leveraging the EIR's $250 billion lending authority to accelerate the clean energy transition while reducing costs for ratepayers.
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Document type: Policy brief
A NET ZERO FUTURE FOR MANITOBA THROUGH BIGGER, CLEANER, SMARTER ELECTRICITY
Manitoba's transition to a net-zero economy requires expanding its electricity grid to accommodate significant load growth from the electrification of space heating, transportation, and industry. While the province currently generates 99% of its electricity from non-emitting sources, projections suggest installed capacity may need to double by mid-century. The report compares modelling from Manitoba Hydro and Navius Research, noting a divergence in the projected role of natural gas; Manitoba Hydro's aggressive electrification scenario relies heavily on gas for winter peak demand, whereas Navius suggests a greater role for intermittent renewables and storage. To ensure a cost-effective transition, the report recommends establishing a permanent electricity task force, creating a detailed energy roadmap, expanding the mandate of Efficiency Manitoba, and ensuring meaningful Indigenous participation and ownership in clean energy projects.
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Document type: Report
Transitions: The Role of the Department of Mineral Resources and Energy in South Africa’s Just Energy Transition
The report finds that the DMRE has exhibited significant reluctance to lead South Africa's just energy transition (JET), often viewing it as a 'western imposition'. This resistance is rooted in the historical minerals-energy complex (MEC) and a desire to protect vested interests in the coal sector and black industrialist projects. The document highlights a lack of policy articulation, poor stakeholder engagement, and internal organizational incoherence caused by repeated mergers and splits. It recommends that the successor departments—Mineral and Petroleum Resources, and Electricity and Energy—improve transparency, update the Integrated Resource Plan (IRP) regularly, and align the transition with the post-apartheid racial transformation agenda.
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Document type: Report
DECLARATION OF RIC O’CONNELL, MICHAEL O’BOYLE, AND BRENDAN PIERPONT IN SUPPORT OF ENVIRONMENTAL AND PUBLIC HEALTH RESPONDENT-INTERVENORS
The document argues that the U.S. coal fleet is already in a sustained economic decline, making the EPA's emissions rules a catalyst for prudent utility planning rather than a source of economic or reliability risk. It asserts that the 2032 compliance timeline is sufficient for utilities to procure replacement resources, citing hundreds of gigawatts of 'shovel-ready' projects in interconnection queues. The authors maintain that 'baseload' coal is no longer necessary for grid stability, as portfolios of wind, solar, battery storage, and low-utilization gas can meet peak loads and growing demand without compromising reliability.
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Document type: Statement
Electric Utility Toolkit
The Electric Utility Toolkit explains the technical and regulatory framework of the US power grid, highlighting systemic inequalities in energy access and affordability. It details the role of Public Utility Commissions (PUCs) and provides actionable steps for citizens to engage in the regulatory process to promote energy justice and decarbonization.
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Document type: Guide
How Utility Regulators Can Unlock $12.7 Billion in Annual Savings for Customers
The policy brief advocates for 'clean repowering'—the strategy of siting new renewable energy projects at existing or retiring fossil fuel plant interconnection points—to reduce interconnection times from nearly five years to less than one year. RMI's analysis indicates this approach could enable 250 GW of new renewable energy without transmission upgrades, resulting in average national savings of $12.7 billion annually from 2025 to 2035. The brief highlights the role of the Inflation Reduction Act (IRA) and the Energy Infrastructure Reinvestment (EIR) program in making these projects financially viable and provides specific recommendations for regulators to ensure these savings reach customers through integrated resource planning and oversight.
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Document type: Policy brief
Ensuring Grid Reliability in India
The document introduces resource adequacy (RA) as a planning concept to minimize blackouts while balancing costs, specifically focusing on India's new Resource Adequacy Planning Framework released in June 2023. It details the metrics used for reliability, such as loss of load probability (LOLP) and normalized energy not served (NENS), and outlines the roles of the Central Electricity Authority (CEA), National Load Dispatch Center (NLDC), and distribution utilities (Discoms) in executing national and state-level plans. The guide emphasizes that adopting integrated resource planning (IRP) best practices and advanced planning tools will help Discoms manage peak demand and integrate renewable energy more effectively.
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Document type: Guide