Search Climate Insights Directory

This guide explains the concept of resource adequacy (RA) and the implementation of the Resource Adequacy Planning Framework released by India's Ministry of Power in June 2023 to ensure grid reliability amidst growing electricity demand and renewable energy integration.

This research paper by the World Resources Institute argues that achieving decarbonization targets in the United States electricity sector requires coordinated, reliability-informed policy planning rather than relying solely on market prices. It emphasizes that grid reliability depends on both resource adequacy and operating reliability, and warns that the retirement of essential reliability services without equivalent replacements puts both grid stability and climate goals at risk.

This briefing from RMI describes the role of Virtual Power Plants (VPPs)—aggregations of distributed energy resources like batteries and electric vehicles—in enhancing grid reliability, affordability, and decarbonization, while outlining priorities to scale the market.

This policy brief by Energy Innovation argues that floating offshore wind is a critical, untapped resource for decarbonizing the Western United States. While the U.S. currently lags behind other nations in offshore wind capacity, the authors contend that scaling this technology can diversify energy resources, reduce land-use conflicts, and provide reliable power during peak evening demand. The document outlines the economic potential for job creation and port revitalization, specifically highlighting projects in California, and provides policy recommendations for federal tax credits, infrastructure investment, and transmission planning to achieve net-zero emissions by midcentury.

This report evaluates the operational feasibility and reliability of California achieving an accelerated interim target of 85% clean electricity by 2030. Using production cost modeling (PLEXOS) and capacity expansion modeling (RESOLVE), the study stress-tests three resource portfolios—Base Case, Diverse Clean Resources, and High Electrification—against various stressors including extreme weather, gas and coal retirements, and import constraints. The findings indicate that an 85% clean target is reliably achievable, provided there is sufficient battery storage and a strategic retention of some natural gas capacity or access to regional imports.

This policy brief by RMI examines the 'undergrid minigrid' model piloted in Mokoloki, Nigeria, and discusses its potential application to improve electricity reliability for underserved rural communities in India. The model involves a privately owned solar minigrid sharing existing distribution infrastructure with a utility company to provide reliable last-mile service.

This briefing by Energy Innovation examines the role of offshore wind in achieving zero-emissions climate goals, focusing on cost reductions, technological advancements like floating turbines, and policy recommendations for the United States to scale its capacity.

This policy brief by Energy Innovation examines how the transition to clean energy challenges traditional 'resource adequacy' planning—the process of ensuring grid operators have sufficient resources to balance supply and demand. The author argues that historical planning paradigms, which rely on dispatchable fossil fuel plants and simple peak-demand metrics, are becoming inadequate as variable renewable energy (VRE) and distributed energy resources (DERs) increase. The document warns that fossil fuel incumbents are leveraging these reliability concerns to protect their market share and slow decarbonization, urging climate advocates to promote more granular, flexible, and holistic planning models.

This issue brief from the Environmental and Energy Study Institute examines the role of energy storage technologies in mitigating electricity industry challenges, integrating renewable energy, and improving grid reliability. It details various storage technologies—ranging from pumped hydro and compressed air to advanced batteries and flywheels—and analyzes the impact of U.S. federal policies, specifically FERC orders and Department of Energy (DOE) initiatives, in overcoming implementation barriers.

This policy brief from the Environmental and Energy Study Institute (EESI) examines the role of energy storage technologies in mitigating electricity industry challenges, integrating renewable energy, and improving grid reliability. It provides a technical overview of various storage methods, analyzes the impact of U.S. federal policies and legislation, and highlights specific large-scale implementation projects across the United States.

This 2005 report by the Rocky Mountain Institute (RMI) argues that fuel cells can be cost-effective distributed energy resources (DER) by capturing economic benefits beyond simple energy generation, such as deferring utility distribution investments and providing premium reliability for the digital economy.

This policy brief by Energy Innovation outlines a pathway for California to achieve 85 percent carbon-free electricity by 2030. Based on technical analysis by Telos Energy and GridLab, the document argues that this target is reliably achievable even under extreme stressors. It provides a set of 'no-regrets' policy recommendations focused on diversifying clean energy deployment, phasing out natural gas plants—particularly in disadvantaged communities—leveraging demand-side resources, and improving regional coordination across Western states.

This fact sheet summarizes a study by Energy Innovation on the reliability of accelerated clean electricity portfolios in California, specifically testing an 85% clean electricity target for 2030. Using a production cost model (PLEXOS) to stress-test three portfolios against variables such as low hydro, reduced gas availability, and limited imports, the study concludes that reaching this target is feasible and reliable across most weather years and stress conditions.

This document is a rebuttal by Amory B. Lovins of the Rocky Mountain Institute (RMI) to an article and subsequent response by Charles C. Mann in The Atlantic. Lovins argues that Mann ignores the role of efficiency and technological innovation in reducing oil demand and misrepresents the reliability and economic viability of renewable energy, specifically in Germany.

This report describes two new methodological updates to the Open-Source Spatial Electrification Tool (OnSSET) designed to account for grid unreliability. While standard OnSSET modelling assumes 100% reliability for grid extensions, these updates introduce the Cost of Non-Served Energy (CNSE) and diesel back-up system proxies to more accurately reflect the costs of power outages. A case study in eastern Uganda demonstrates that incorporating these reliability metrics shifts the 'least-cost' electrification pathway away from grid extension and toward decentralized off-grid solutions.