Search Climate Insights Directory
47 results
MAINTAINING A RELIABLE GRID UNDER EPA’S PROPOSED 111 RULES RESTRICTING POWER PLANT EMISSIONS
The report asserts that the EPA's proposed rules for coal and gas power plants are technically feasible and will not threaten resource adequacy or operational reliability. It synthesizes six industry-standard studies showing that the U.S. grid can remain stable even if all unabated coal is retired by 2035. The authors argue that reliability risks are institutional rather than technical, stemming from slow interconnection processes and inadequate transmission planning. To manage the transition, the report recommends adopting 'connect-and-manage' interconnection processes, deploying grid-enhancing technologies, and proactively planning transmission for coal retirements.
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Document type: Report
Saint-Laurent Ottawa Nord entreprise gazière décarbonisation
The Ontario Energy Board (OEB) took the unusual step of rejecting Enbridge Gas's $123.7 million Saint-Laurent Ottawa Nord pipeline project, citing the City of Ottawa's electrification plans and a projected decline in natural gas demand. The document explores how this decision challenges traditional utility business models—where returns are often based on pipeline mileage rather than gas volume—and highlights the risk of 'stranded assets' if new infrastructure is built despite decarbonization goals. It further discusses Enbridge's five-year plan, which advocates for a 'diversified' scenario including low-carbon gas and hydrogen, contrasting this with the City of Ottawa's preference for integrated energy planning to meet climate targets.
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Document type: Case study
St. Laurent North Denied
The Ontario Energy Board (OEB) denied Enbridge Gas's $123.7-million St. Laurent North pipeline project, citing Ottawa's community electrification plan and reduced future gas demand. This decision highlights a tension between traditional utility business models—which reward infrastructure ownership—and the shift toward net-zero emissions. The case underscores the need for integrated resource planning (IRP) and raises concerns about the risk of stranded assets being passed on to ratepayers as Ontario transitions away from fossil fuels.
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Document type: Case study
Power Planning to the People
The report argues that open-source planning models allow nonutility stakeholders to challenge utility-led resource plans, potentially identifying lower-cost, cleaner energy pathways. Using the GenX tool to analyze the 2021 resource plan from Louisville Gas and Electric and Kentucky Utilities, the authors found opportunities for near-term customer savings. The report recommends that regulators increase data transparency, allow early stakeholder review of assumptions, and reduce cost barriers to modeling tools.
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Document type: Report
From the Ground Up
The report argues that India's buildings sector must adopt an integrative whole-system approach to address both embodied and operational emissions. It highlights that building operations account for about a third of India's energy use, and without intervention, energy consumption could triple by 2050. The proposed framework prioritises reducing energy needs through passive design, serving those needs with super-efficient equipment, and transitioning to clean energy procurement and demand flexibility. Key recommendations include government mandates for net-zero public buildings, the adoption of carbon accounting for corporations, and the implementation of building performance standards to ensure actual operational efficiency.
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Document type: Report
How to Build Clean Energy Portfolios
The document argues that the US power sector faces a critical investment window between 2020 and 2030, with an estimated 420 GW of resource procurement needed. It advocates for a shift toward 'all-source', 'objective-aligned', and 'least-regrets' procurement practices to move away from legacy processes that reflect past conditions rather than emerging trends. The guide provides specific actionable recommendations for legislators, state commissions, and utilities to increase transparency, engage stakeholders, and better integrate distributed energy resources (DERs) into the planning and procurement cycle.
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Document type: Guide
Countdown to Shutdown
The Union of Concerned Scientists finds that California's current electricity sector planning is insufficient to replace the zero-emissions energy from the Diablo Canyon nuclear power plant, which is scheduled for retirement in 2024 and 2025. Without further action, the state faces a cumulative increase of 15.5 million metric tons of global warming emissions over the next decade, as existing natural gas plants fill the gap. The report recommends adopting a more ambitious 30 MMT emissions target by 2030 to guarantee full replacement and accelerate decarbonization.
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Document type: Briefing
MAKING THE MOST OF THE POWER PLANT MARKET: BEST PRACTICES FOR ALL-SOURCE ELECTRIC GENERATION PROCUREMENT
The report examines the procurement processes of vertically integrated utilities in the United States, highlighting how monopsony power and financial incentives often lead to the over-procurement of capacity and a bias toward self-built, gas-fired generation. Using Xcel Colorado as a model, the authors recommend five best practices for regulators: determining technology-neutral needs through resource planning, requiring competitive all-source bidding with robust evaluation, conducting advance review of procurement terms, ensuring utility ownership does not conflict with competitive bidding, and upholding rules for fairness and transparency. The report analyzes case studies from Colorado, New Mexico, Georgia, Minnesota, Indiana, Texas, California, Virginia, and North Carolina to illustrate the effectiveness of all-source RFPs in reducing costs and increasing renewable energy deployment.
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Document type: Report
UTILITY MONOPSONY REGULATION: WHAT’S BEHIND LOW-COST WIND AND SOLAR BIDS IN COLORADO?
The document analyzes the success of Public Service Company of Colorado (PSCo) in achieving low-cost renewable energy bids through a regulated competitive procurement process. It argues that utilities, as single buyers (monopsonies), have incentives to disadvantage suppliers to maintain market control and financial advantages. To mitigate this, the author proposes specific regulatory measures—such as public planning scrutiny, independent bid evaluators, and the filing of draft requests for proposals—that were implemented by the Colorado Public Utilities Commission (COPUC). The brief concludes that utility ownership and competitive bidding can coexist if the process is transparent and linked to approved resource plans, ensuring consumers benefit from current market prices for wind and solar.
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Document type: Policy brief
PATHWAYS TO INTEGRATING CUSTOMER CLEAN ENERGY DEMAND IN UTILITY PLANNING
The document explores the integration of customer clean energy demand into utility planning, focusing on the role of Integrated Resource Plans (IRPs) in the US. It argues that early collaboration between utilities and customers can lead to more efficient clean energy procurement, faster decarbonization, and lower costs. The report details the IRP process, identifies barriers to customer engagement—such as limited resources and lack of transparency—and provides pathways for involvement through direct engagement, stakeholder forums, and regulatory proceedings.
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Document type: Report
Comments on South Africa 2018 Integrated Resource Plan
Synapse Energy Economics identifies several critical flaws in South Africa's draft 2018 IRP, arguing that it relies on an unreasonably high load forecast, overstates the costs of renewable energy and battery storage, and ignores the economic optimality of retiring aging coal plants. The report highlights a significant disconnect between the IRP's optimized modeling—which suggests no new coal in the 2020s—and the proposed resource plan, which calls for over 6,500 MW of new coal capacity. Additionally, the authors criticize the plan for inadequate carbon budgeting, failure to account for water scarcity, and a lack of transparency in providing modeling data to stakeholders.
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Document type: Report
Accelerating Sustainable Electricity Access in Sub-Saharan Africa
The briefing identifies high costs, slow off-grid market growth, and uncoordinated planning as the primary barriers to electricity access in sub-Saharan Africa. It recommends that governments adopt integrated resource plans that combine utility-led energy efficiency, solar-hybrid systems, and private sector-driven off-grid programs to meet growing energy demands while mitigating future carbon emissions.
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Document type: Briefing
IMPROVING PERFORMANCE IN PUBLICLY-OWNED UTILITIES
The report outlines a three-step approach for improving the performance of publicly-owned utilities (POUs). The first step involves 'no regrets' actions, such as engaging diverse stakeholders to define goals and using Integrated Resource Plans (IRPs) to balance reliability, cost, and environmental targets. The second step focuses on governance evolutions, specifically delineating the roles of boards and management and implementing board self-evaluations. The third step suggests more drastic measures for lagging performance, including revenue decoupling to support energy efficiency, performance-based employee compensation, and the use of third-party non-profit entities for specific utility functions.
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Document type: Report
MIDWESTERN BRIEFING ON AMERICA’S POWER PLAN Summary Report
The report details a September 2013 briefing on America’s Power Plan (APP), focusing on the transition to a high-renewables future in the U.S. Midwest. It examines the need for new utility business models to handle decarbonization and distributed energy resources (DERs), highlights Minnesota's legislative progress on solar and renewable standards, and discusses Xcel Energy's experience integrating variable wind power. Key recommendations include adopting performance-based regulation, streamlining 'soft costs' for solar PV, and integrating distribution planning into state resource processes.
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Document type: Report
Direct Testimony of Jeremy Fisher, Ph.D. On Behalf of Sierra Club
Jeremy Fisher, Ph.D., testifying for the Sierra Club, argues that Kentucky Power Company's (KPCo) analysis erroneously favors retrofitting the Big Sandy 2 unit. He identifies significant flaws in the Strategist and Aurora models, including underestimated capital costs for the retrofit, overestimated costs for natural gas combined cycle (NGCC) replacements, and an unrealistically low carbon dioxide (CO2) price forecast. Fisher asserts that when these errors are corrected and off-system sales are properly allocated, alternatives such as NGCC replacement or market purchases are substantially more cost-effective than the FGD retrofit.
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Document type: Report
SEI Strategy 2010 - 2014
The SEI Strategy 2010-2014 establishes a framework for the institute to act as a leading provider of systems understanding and policy solutions for sustainable development. The strategy reorganizes research into four multidisciplinary themes: managing environmental systems, reducing climate risk, transforming governance, and rethinking development. SEI aims to increase its institutional core funding to 40% by 2014 to enhance strategic flexibility and independence. The institute leverages a distributed structure of research centres across Africa, Asia, Europe, and the USA to link global expertise with local implementation, specifically targeting the needs of poor regions and the development of leadership capacities in the South.
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Document type: Report
Valuation of Renewable and Distributed Resources: Implications for the Integrated Resource Planning Process
The document argues that traditional integrated resource planning (IRP) is too generation-centric and fails to account for the specific operational, financial, and grid-side benefits of distributed and renewable energy. It introduces the Energy Resource Investment Strategy (ERIS) methodology, which uses probabilistic load and fuel forecasting and portfolio theory to value these resources. Key technical discussions include the use of Effective Load Carrying Capability (ELCC) to measure reliability contributions, the role of geographical dispersion in reducing portfolio variability, and the financial advantages of modular, short-lead-time resources in mitigating the risk of overbuilding capacity.
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Document type: Report
The Politics of Power Sector Reform in India
The document examines the evolution of India's power sector, highlighting the transition from state-run electricity boards (SEBs) to a restructured model involving independent power producers (IPPs) and privatization. It details the 'Orissa Model' promoted by the World Bank, the failures of the 1991 IPP policy, and the subsequent scaling of restructuring to other states like Andhra Pradesh. The authors argue that political expediency and financial crises often overrode social and environmental goals, leading to institutional 'lock-ins' such as agricultural subsidies and expensive long-term power purchase agreements.
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Document type: Research paper
Negawatts: Twelve Transitions, Eight Improvements, and One Distraction
The author outlines twelve fundamental transitions in electricity efficiency, moving from fragmented equipment upgrades to integrated, whole-system optimization. He argues that 'negawatts' (saved electricity) are often cheaper than new generation and that market failures currently penalize efficiency. The paper proposes eight improvements to make efficiency programs more cost-effective and critiques the concept of 'retail wheeling' as a distraction from the more significant shift toward wholesale competition and decentralized generation via fuel cells and superflywheels.
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Document type: Research paper
The impacts of government’s plans for 1500 MW of new coal power in South Africa
The document argues that adding 1.5 GW of new coal power to South Africa's electricity system is unnecessary for reliability and would increase costs, emissions, and GDP loss while reducing employment compared to a least-cost plan focusing on renewable alternatives.
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Document type: Fact sheet