Search Climate Insights Directory
142 results
Concentrated Solar Power in South Africa
The document argues that South Africa's heavy reliance on coal, which provided over 90% of electricity generation, creates a significant opportunity for carbon mitigation through the deployment of Concentrated Solar Power (CSP). While the government's White Paper on Renewable Energy (WPRE) set a target of 10,000GWh of renewable energy by 2013, the author suggests a more ambitious target of 15% renewable contribution to final electricity consumption by 2020. To achieve this, the paper proposes a tender process for large-scale projects, complemented by a Renewable Energy Feed-in Tariff (REFIT) to make projects financially viable despite low domestic electricity tariffs. The author highlights that South Africa possesses vast solar resources, with 194,000km2 of land potentially viable for CSP. International cooperation is recommended to provide knowledge sharing, incremental funding to bridge the gap between levelised electricity costs and revenues, and risk mitigation to attract private capital.
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Document type: Research paper
Jobs from Renewable Energy and Energy Efficiency
The document presents a collection of data points from multiple research organizations arguing that renewable energy (RE) and energy efficiency (EE) sectors generate more employment per unit of energy or investment than fossil fuels. It highlights national and state-level projections in the US, such as the potential for 4.2 million new green jobs by 2038, and international examples from Germany, Spain, Brazil, and India. Specific technology sectors—including wind, solar, biofuels, and geothermal—are detailed alongside the impact of policy mechanisms like Renewable Portfolio Standards (RPS) and investment tax credits.
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Document type: Fact sheet
Developing Solar Friendly Communities
The report identifies non-hardware balance of system costs, which can reach 40% of installed system costs, as a significant barrier to rooftop solar adoption. It recommends the adoption of standardized frameworks such as the Solar ABCs Expedited Permit Process for permitting, the IREC Model Interconnection Procedures for grid connection, and the NNEC design criteria for net metering. The document highlights Colorado as a leader in solar-friendly policies, citing the Fair Permit Act's fee caps and the state's removal of net metering capacity limits for systems up to 120% of annual on-site consumption.
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Document type: Report
Renewable Electricity Standard
The document advocates for a national Renewable Electricity Standard (RES) in the United States, describing it as a market-based mechanism that requires utilities to increase the share of electricity produced from renewable sources. It highlights economic benefits, such as saving consumers money and creating rural jobs, and environmental benefits, including the reduction of carbon dioxide and other harmful pollutants.
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Document type: Fact sheet
Jobs from Renewable Energy & Energy Efficiency
The document provides a comprehensive overview of employment trends in the clean energy sector, contrasting the job-creation potential of renewables and energy efficiency with traditional fossil fuel industries. It highlights specific national and state-level projections in the U.S., international trends in the EU and Brazil, and sector-specific data for wind, solar, biofuels, and geothermal energy, while also noting the decline of coal mining employment.
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Document type: Fact sheet
The 2007 Farm Bill: Policy Recommendations for Integrated Renewable Energy Production
The Environmental and Energy Study Institute (EESI) argues that the 2007 Farm Bill should transition agriculture policy to treat renewable energy as a core component. The report identifies a gap between the authorization of programs in the 2002 Farm Bill and the Energy Policy Act of 2005 and the actual appropriations provided. It recommends expanded funding for biomass research, the creation of a national biomass assessment, and incentives for small-scale, farmer-owned biorefineries to ensure rural economic benefits. Additionally, it proposes enhancing federal procurement of biobased products and implementing a Renewable Portfolio Standard of 25 percent by 2025.
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Document type: Report
Wind Power in New England: Reducing Pollution
The document explains how wind energy integrates into the New England electricity grid to displace polluting fossil fuels, particularly natural gas, oil, and coal. It highlights the importance of siting turbines in high-wind areas to maximize pollution reduction and discusses policy mechanisms like cap-and-trade and renewable portfolio standards to accelerate the transition to clean energy.
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Document type: Fact sheet
Wind Power in New England
The document outlines the potential for wind energy in New England, emphasizing that the region has "excellent wind resources, particularly on mountain ridges and along the coast." It details the criteria for optimal siting—primarily wind speed, topography, and proximity to transmission lines—and highlights economic benefits such as tax revenues for towns and lease payments for landowners. The text addresses environmental concerns, noting that modern turbines cause significantly fewer bird fatalities than other human structures and that wind power does not reduce property values. It also discusses human impacts, including visual aesthetics, noise, and aviation lighting, while noting that 81 percent of surveyed Vermont residents find turbines "beautiful or acceptable."
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Document type: Fact sheet
Wind Power in New England
The document outlines the environmental and economic benefits of wind energy in New England, noting that over 60 percent of the region's electricity was generated from fossil fuels in 2005. It explains how wind power integrates into the grid via ISO New England to displace more expensive and polluting plants, particularly oil-fired plants during winter peaks. The text highlights that 18 proposed wind projects with a total capacity of 1,890 MW could avoid millions of tons of pollution annually, including over 3 million tons of CO2. It also discusses the importance of siting for efficiency and the role of policy mechanisms like cap-and-trade and renewable portfolio standards in accelerating the transition.
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Document type: Fact sheet
Renewable Energy Fact Sheet
As of early 2006, the U.S. wind industry had a generating capacity of 9,149 MW, with 2005 seeing a 35 percent growth in capacity. The document details various federal incentives, including the Production Tax Credit (PTC) and Clean Renewable Energy Bonds (CREBS), as well as state-level mechanisms like Renewable Portfolio Standards (RPS) and Public Benefit Funds (PBF). It highlights the potential for wind energy to provide up to 20 percent of the U.S. power supply if natural gas prices remain above $4 per thousand cubic feet.
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Document type: Fact sheet
Increasing the Texas Renewable Energy Standard: Economic and Employment Benefits
The Union of Concerned Scientists analyzed two proposals to increase the Texas Renewable Portfolio Standard (RPS). The more aggressive 20 percent by 2020 proposal would result in 17,820 MW of renewable capacity by 2025, creating 38,290 new jobs and saving consumers $5.6 billion in energy bills. The more modest 10,000 MW by 2025 proposal would yield approximately 8 percent renewable energy by 2025, creating 19,950 new jobs and $5.5 billion in consumer savings. Both proposals would diversify the electricity mix by displacing natural gas and coal, reducing CO2 emissions and providing significant capital investment and tax revenues to rural Texas communities.
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Document type: Report
Clean Energy Blueprint
The Clean Energy Blueprint proposes a comprehensive set of policies to increase energy efficiency and renewable energy in the US. By 2020, the plan aims to have non-hydro renewables provide 20% of electricity, reduce carbon dioxide emissions from power plants by two-thirds compared to business-as-usual, and save consumers $440 billion. The report argues that these measures would eliminate the need for 975 new power plants and significantly reduce reliance on coal and natural gas.
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Document type: Report
Powerful Solutions
The Union of Concerned Scientists identifies seven policy tools—Renewables Portfolio Standards, public benefits funding, net metering, fair transmission/distribution rules, fair pollution rules, consumer information, and green customer demand—to transition the US to renewable energy. It argues that deregulation risks favoring fossil fuels unless these mechanisms internalize the public benefits of renewables and remove market barriers.
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Document type: Report
Open Statement on NAFTA, Environment and Climate
The statement argues that NAFTA's current structure prioritizes corporate interests over the planet and calls for the removal of Investor-State Dispute Settlement (ISDS) provisions and the energy chapter to allow Canada to implement climate-friendly regulations and restrict fossil fuel exports.
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Document type: Statement
EL SECRETO SUCIO DE NUEVA JERSEY
The report details the environmental and public health impacts of waste incinerators in New Jersey, specifically highlighting how these facilities are located in low-income communities of color. It provides data on air pollution emissions and permit violations, criticizes the use of renewable energy subsidies for incineration, and proposes a policy framework to phase out incinerators in favor of zero-waste strategies.
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Document type: Report
NEW JERSEY’S DIRTY SECRET
The report details the environmental and public health impacts of waste incinerators in New Jersey, highlighting their disproportionate location in overburdened communities of color and low-income areas. It documents significant air permit violations and the receipt of millions in clean energy subsidies despite high emissions. The authors propose a shift toward a zero-waste hierarchy—emphasizing redesign, reduction, reuse, recycling, and composting—and recommend that New Jersey ban new incinerators and decommission existing ones by 2030.
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Document type: Report
POLICIES THAT WORK: HOW TO BUILD A LOW-EMISSIONS ECONOMY
The report argues that a small number of well-designed policies—categorized as economic signals, performance standards, and R&D support—can substantially reduce global greenhouse gas emissions and provide economic benefits. It details ten specific policy areas, including vehicle and appliance standards, clean energy supply, and smart urban design, while emphasizing the need for policies to be predictable, market-driven, and synchronized with infrastructure turnover. The text highlights successful examples from the US, China, Europe, and Japan to demonstrate the effectiveness of these approaches.
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Document type: Report
Reinventing Fire Electricity Sector Methodology
The document describes the use of NREL's Regional Energy Deployment System (ReEDS) and RMI's internal dispatch model to evaluate the technical feasibility and cost of four electricity scenarios: Maintain, Migrate, Renew, and Transform. It outlines spatial and temporal resolutions, generation cost assumptions based on learning curve theory, and specific modifications made to approximate distributed energy resources in the Transform case.
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Document type: Report
Renewable Qualified
The 'Renewable Qualified' variable allows users to specify the percentage of a process's output that is considered renewable, ranging from 0% to 100%. While typically used for wind, solar, hydro, and biomass, the document warns that users can manually mark any process as renewable regardless of feedstock, and notes that some hydro and biomass projects may not meet specific Renewable Portfolio Standard (RPS) qualifications.
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Document type: Guide
Introduction to Optimization
The document describes the optimization capabilities of LEAP, which are powered by the open-source NEMO framework. It details the difference between partial cost optimization for single modules and full energy system optimization (ESO) across all transformation modules and selected demand end-uses. The guide explains that optimization aims to find the least-cost capacity expansion and dispatch by minimizing the total net present value of social costs, subject to constraints like emission caps. It also covers the implicit Reference Energy System (RES) in LEAP and the options for perfect versus limited foresight optimization.
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Document type: Guide