Eric O’Shaughnessy
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View article: Go slow to go fast? A review of the impacts of permitting on large-scale solar project development
Go slow to go fast? A review of the impacts of permitting on large-scale solar project development Open
State and local permitting challenges could impede the ability of large-scale solar (LSS) to meet growing electricity demand in the United States. Here, we review research that explores LSS permitting and its impacts on the pace and scale …
View article: The missing correlation between the potential rate impacts of rooftop solar and the timing of state net metering policy revisions
The missing correlation between the potential rate impacts of rooftop solar and the timing of state net metering policy revisions Open
Residential solar photovoltaic (PV) output in most states is credited at the retail electricity rate, a policy commonly known as net metering. Twelve states have replaced net metering with alternative rate structures that reduce PV adopter…
View article: The effect of residential solar on energy insecurity among low- to moderate-income households
The effect of residential solar on energy insecurity among low- to moderate-income households Open
Each year, millions of Americans experience energy insecurity, or the inability to afford enough energy to meet their basic needs. This study evaluates whether residential rooftop solar can serve as a preventative solution to energy insecu…
View article: A Review of Value of Solar Studies In Theory and In Practice
A Review of Value of Solar Studies In Theory and In Practice Open
Though most states in the United States required net metering as of 2024 (i.e., compensating solar output at the full electricity rate), many have taken recent action to address distributed generation compensation and valuation. One common…
View article: Residential Solar-Adopter Income and Demographic Trends: 2024 Update [Slides]
Residential Solar-Adopter Income and Demographic Trends: 2024 Update [Slides] Open
The report describes income, demographic, and other socio-economic trends among U.S. residential rooftop solar adopters. The report is based on address-level data for roughly 4.1 million residential rooftop solar systems installed through …
View article: Consequential Analysis of the Greenhouse Gas Emissions Impacts of Actions That Influence the Electric Grid: The Theory and Practice of Using Marginal Emissions Rates
Consequential Analysis of the Greenhouse Gas Emissions Impacts of Actions That Influence the Electric Grid: The Theory and Practice of Using Marginal Emissions Rates Open
This paper discusses consequential greenhouse gas emissions analysis for actions that influence the electric grid that is, the analytical approach of estimating how such actions change greenhouse gas emissions, relative to what they otherw…
View article: SolarAPP+ Performance Review: Final Technical Report
SolarAPP+ Performance Review: Final Technical Report Open
The National Renewable Energy Laboratory (NREL) and its project partners have developed the novel Solar Automated Permit Processing plus (SolarAPP+) software platform that provides a flexible, web-based PV-permitting tool for residential s…
View article: Land-Based Wind Market Report: 2024 Edition
Land-Based Wind Market Report: 2024 Edition Open
Wind power additions in the United States totaled 6.5 gigawatts (GW) of capacity in 2023. 1 Wind power growth has historically been supported by the industry’s primary federal incentive—the production tax credit (PTC)—as well as numerous s…
View article: Tracking the Sun: Pricing and Design Trends for Distributed Photovoltaic Systems in the United States, 2024 Edition [Slides]
Tracking the Sun: Pricing and Design Trends for Distributed Photovoltaic Systems in the United States, 2024 Edition [Slides] Open
Berkeley Lab’s annual Tracking the Sun report describes trends among grid-connected, distributed solar photovoltaic (PV) and paired PV+storage systems in the United States. For the purpose of this report, distributed solar includes residen…
View article: Community solar reaches adopters underserved by rooftop solar
Community solar reaches adopters underserved by rooftop solar Open
In this study, community solar, a business model where multiple customers buy output from shared solar systems, has expanded solar access among multifamily housing occupants, renters, and low-income households. Policies to enable community…
View article: Evaluating community solar as a measure to promote equitable clean energy access
Evaluating community solar as a measure to promote equitable clean energy access Open
Rooftop and community solar are alternative product classes for residential solar in the United States. Community solar, where multiple households buy solar from shared systems, could make solar more accessible by reducing initial costs an…
View article: Climate and air quality benefits of wind and solar generation in the United States from 2019 to 2022
Climate and air quality benefits of wind and solar generation in the United States from 2019 to 2022 Open
Summary: Wind and solar generation reduce electric sector pollutant emissions and associated climate-related damages and air quality-related health damages. Here, we assess these emission reductions, focusing on carbon dioxide (CO2), sulfu…
View article: Exploring Wholesale Energy Price Trends: The Renewables and Wholesale Electricity Prices (ReWEP) tool (Ver. 2024.1)
Exploring Wholesale Energy Price Trends: The Renewables and Wholesale Electricity Prices (ReWEP) tool (Ver. 2024.1) Open
The Renewables and Wholesale Electricity Prices (ReWEP) visualization tool from Berkeley Lab has been updated with nodal electricity pricing and wind and solar generation data through the end of 2023. ReWEP users can explore trends in whol…
View article: Exploring Wholesale Energy Price Trends: The Renewables and Wholesale Electricity Prices (ReWEP) tool (Ver. 2024.1)
Exploring Wholesale Energy Price Trends: The Renewables and Wholesale Electricity Prices (ReWEP) tool (Ver. 2024.1) Open
The Renewables and Wholesale Electricity Prices (ReWEP) visualization tool from Berkeley Lab has been updated with nodal electricity pricing and wind and solar generation data through the end of 2023. ReWEP users can explore trends in whol…
View article: Achieving Scale: Community Solar Technical Potential and Meaningful Benefits in the United States
Achieving Scale: Community Solar Technical Potential and Meaningful Benefits in the United States Open
The slide deck was presented at the webinar on February 28th titled Achieving Scale: Community Technical Potential and Meaningful Benefits in the United States. It describes the National Community Solar Partnership program followed by meth…
View article: Technical Potential and Meaningful Benefits of Community Solar in the United States
Technical Potential and Meaningful Benefits of Community Solar in the United States Open
The report describes the methodology and results from a study on the technical potential of community solar and associated meaningful benefits. A key finding of the study suggests that the opportunity space for community solar to meet unme…
View article: Residential Solar-Adopter Income and Demographic Trends: 2023 Update [Slides]
Residential Solar-Adopter Income and Demographic Trends: 2023 Update [Slides] Open
The report describes income, demographic, and other socio-economic trends among U.S. residential rooftop solar adopters. The report is based on address-level data for roughly 3.4 million residential rooftop solar systems installed through …
View article: Impacts of non-residential solar on residential adoption decisions
Impacts of non-residential solar on residential adoption decisions Open
Household decisions to adopt rooftop solar photovoltaics are partly driven by social influence. Previous research on solar adoption influence has focused on influence among residential peers. Here, we expand the framework of solar adoption…
View article: Comparison of the demographics of residential rooftop and community solar adopters
Comparison of the demographics of residential rooftop and community solar adopters Open
Rooftop and community solar are alternative product classes for residential solar in the United States. Community solar, where multiple households buy solar from shared systems, could make solar more accessible by reducing initial costs an…
View article: Effects of rooftop solar on household energy burden in the United States
Effects of rooftop solar on household energy burden in the United States Open
Policymakers at the federal and state level have begun to incorporate energy burden into equity goals and program evaluations, aiming to reduce energy burden below a “high” level of 6% for lower income households. Pairing an empirical hous…
View article: Tracking the Sun: Pricing and Design Trends for Distributed Photovoltaic Systems in the United States (2023 Edition) [Slides]
Tracking the Sun: Pricing and Design Trends for Distributed Photovoltaic Systems in the United States (2023 Edition) [Slides] Open
Berkeley Lab’s annual Tracking the Sun report describes trends among grid-connected, distributed solar photovoltaic (PV) and paired PV+storage systems in the United States. For the purpose of this report, distributed solar includes residen…
View article: U.S. Solar Photovoltaic System and Energy Storage Cost Benchmarks, With Minimum Sustainable Price Analysis: Q1 2023
U.S. Solar Photovoltaic System and Energy Storage Cost Benchmarks, With Minimum Sustainable Price Analysis: Q1 2023 Open
The U.S. Department of Energy's (DOE's) Solar Energy Technologies Office (SETO) aims to accelerate the advancement and deployment of solar technology in support of an equitable transition to a decarbonized economy no later than 2050, start…
View article: Land-Based Wind Market Report: 2023 Edition
Land-Based Wind Market Report: 2023 Edition Open
Wind power additions in the United States totaled 8.5 gigawatts (GW) in 2022. Wind power growth has historically been supported by the industry’s primary federal incentive—the production tax credit (PTC)—as well as myriad state-level polic…
View article: Status and Trends in the U.S. Voluntary Green Power Market (2021 Data)
Status and Trends in the U.S. Voluntary Green Power Market (2021 Data) Open
Voluntary green power, for the purposes of this report, refers to renewable energy procurement by retail electricity customers above state renewable energy mandates. In this report, we present data and key trends for voluntary green power …