Results Category: Wind

Unmanned Aerial Vehicles Used to Assess Performance of Automated Detection and Audio Deterrent System for Reducing Wind-Turbine Collison Risk for Golden Eagles

REWI was appointed as the prime awardee of DOE award number DE-EE000788 to evaluate the performance of DTBird at two commercial facilities in CA and WA, USA.

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Evaluation of the Turbine Integrated Mortality Reduction (TIMR) Technology as a Smart Curtailment Approach

The Electric Power Research Institute (EPRI) funded the development of Turbine Integrated Mortality Reduction (TIMR) Technology, which curtails turbine operation when bats are detected.

Effectiveness of a Detection and Deterrent System in Reducing Golden Eagle Fatalities at Operational Wind Facilities

The Renewable Energy Wildlife Institute (REWI) was appointed as the prime awardee of DOE award number DE-EE0007883 to lead a team in evaluating the effectiveness of a DTBird system minimizing the risk of collision to large soaring raptors when approaching the RSZ of operating wind turbines.

Influence of Turbine Size Parameters on Collision-Based Bird and Bat Mortality

A study funded by the Renewable Energy Wildlife Research Fund investigating the influence of turbine size parameters on collision-based bird and bat mortality.

Developing and Evaluating a Smart Curtailment Strategy Integrated with a Wind Turbine Manufacturer Platform

The Renewable Energy Wildlife Institute lead a team of scientists, wind developers, and turbine manufacturers in a study to develop and test the Vestas Bat Protection System (VBPS), a “smart curtailment” system intended to help reduce bat collisions with wind turbines.

Wind Wildlife Research Meeting XIV Proceedings

These Proceedings of the 14th Wind Wildlife Research Meeting, 2020, summarize more than 80 on-demand presentations and panel discussions on current research pertaining to wind energy-related wildlife fatalities; habitat and behavioral impacts; and mitigation strategies and technologies.

Seasonal patterns of bird and bat collision fatalities at wind turbines

Information on when birds and bats die from collisions with wind turbines can help refine efforts to minimize fatalities via curtailment of energy productions and can offer insight into the risk factors associated with collision fatalities.

Technology Acceptance Workshop Proceedings

These proceedings summarize a virtual workshop convened by the Renewable Energy Wildlife Institute and the National Renewable Energy Laboratory and facilitated by the Consensus Building Institute in April 2022.

Game bird carcasses are less persistent than raptor carcasses, but can predict raptor persistence dynamics

Researchers conduct post-construction fatality monitoring (PCFM) to determine a wind energy facility’s direct impacts on wildlife. Results of PCFM can be used to evaluate compliance with permitted take, potentially triggering adaptive management measures or offsetting mitigation; reducing uncertaint

Prairie Grouse and Wind Energy: The State of the Science And Implications for Risk Assessment

Behavioral changes are the most commonly reported effect of wind-energy development on populations of prairie grouse, but the long-term demographic consequences are uncertain.

Evaluating the effectiveness of a camera-based detection system to support informed curtailment and minimize eagle fatalities at wind energy facilities

The American Wind Wildlife Institute (AWWI – now Renewable Energy Wildlife Institute, REWI) was appointed prime awardee of DOE award number DE-EE0007880 to lead a team of scientists, wind developers, and technology manufacturers in a collaborative evaluation of the effectiveness of Identiflight.

Paint it Black: Does Painting Wind Turbine Blades Increase Visibility to Reduce Bird Fatalities?

In this publication synthesis, AWWI summarizes the results of a study in Norway that investigated the effect of painting one of three turbine blades black as a strategy to increase the visibility of rotating blades to birds thereby reducing collision fatalities.

Summary of Wind Power Interactions with Wildlife

This document summarizes publicly available information about the adverse impacts of land-based wind power on wildlife in North America and the status of our knowledge regarding how to avoid or minimize these impacts.

Wind Wildlife Research Meeting XIII Proceedings

These Proceedings of the 13th Wind Wildlife Research Meeting, 2020, summarize more than 80 on-demand presentations and panel discussions on current research pertaining to wind energy-related wildlife fatalities; habitat and behavioral impacts; and mitigation strategies and technologies.

Performance of the GenEst Mortality Estimator Compared to The Huso and Shoenfeld Estimators

This study compared the performance of GenEst to other mortality estimators used to correct for sources of detection error in post-construction monitoring studies and estimate mortality for birds and bats at wind energy facilities.

AWWIC Bat Technical Report – 2nd Edition (2020)

AWWIC is the most comprehensive post-construction fatality database in the U.S., incorporating both public and confidential data. This 2nd Edition Bat Technical Report (2020) ensures the most up-to-date data are available for generating hypotheses about bat collision risk at wind energy facilities.

AWWIC Bird Technical Report – 2nd Edition (2020)

AWWIC is the most comprehensive post-construction fatality database in the U.S., incorporating both public and confidential data. This 2nd Edition report (2020) ensures the most up-to-date data are available for generating hypotheses about bird collision risk at wind energy facilities.

Patterns of Bat Activity and Mortality

This study investigates whether bat activity and mortality at wind energy facilities correlate with regional weather data, and whether these data could optimize wind turbine curtailment strategies that reduce bat collision fatalities.

Bat Activity and Fatality Rates

A study supported by the Wind Wildlife Research Fund investigated the relationship between pre-construction bat acoustic activity and post-construction bat fatality rates at wind energy facilities.

Hedging Against Uncertainty When Granting Permits for Mitigation

A chapter co-authored by AWWI in the book "Structured Decision Making: Case Studies in Natural Resource Management" illustrates how to characterize and respond to uncertainty in a regulatory decision, with the case study of a compensatory mitigation model for eagles.

Landscape Factors and Migratory Tree Bats

A study supported by the Wind Wildlife Research Fund used bat fatality data from a unique database to identify associations between fatality rates of migratory tree bats at wind energy facilities and landscape-level factors.

Lesser Prairie-Chicken Response to Wind Energy

A study supported by the Wind Wildlife Research Fund investigates the effects of wind energy infrastructure on lesser prairie-chickens over three years at a wind energy facility in Kansas.

National Wind Wildlife Research Plan 2020-2023

This updated Plan is a refresh of the 2017 document and identifies priority areas of research in 2020-2023 to achieve key outcomes for wind energy development and wildlife conservation.

Behavioral Response of Grouse to Wind Turbines

This meta-analysis reviewed studies that evaluated the effect of wind energy facilities on grouse. The objective was to determine the magnitude of effects of wind turbines on grouse habitat selection, lek attendance, and survival at various distances from wind turbines.

Guidance for Potential Hosts of Wind-Wildlife Technologies and Strategies

This resource provides details of considerations for installing and operating wildlife risk-minimization technologies and strategies at wind energy facilities.

Impacts to Wildlife of Wind Energy Siting and Operation in the U.S.

This report provides provides a peer-reviewed synthesis of current, accurate, and properly contextualized information about the benefits of wind energy, adverse wind-wildlife impacts, efforts to find solutions, and recommended focus for future research.

AWWIC Bird Technical Report – 1st Edition (2019)

AWWIC is the most comprehensive post-construction fatality database in the U.S., incorporating both public and confidential data. This 1st Edition Bird Technical Report (2019) sets the foundation for further studies of what bird species are at risk, and where and why they are at risk.

Bats and Wind Energy Issue Brief

This Issue Brief discusses what we know about bat interactions with wind turbines and reducing collision fatalities for bat species in the U.S. and Canada.

Technology Integration White Paper

This white paper provides guidance on the technical details for integrating wildlife impact minimization technologies into operating wind energy facilities.

Wind Wildlife Research Meeting XII Proceedings

These Proceedings of the 12th Wind Wildlife Research Meeting, 2018, summarize 33 presentations and panels on current research on wind energy-related wildlife fatalities; habitat and behavioral impacts; mitigation strategies; and balancing wind energy development and wildlife conservation.

Bats and Wind Energy White Paper

This white paper provides an overview and review of what is known about wind energy’s impacts to bats, and discusses meeting emissions mitigation needs and accepting some uncertainty about risk to bats.

DTBird Technology Evaluation

This pilot test of DTBird, a technology designed to detect and deter birds, evaluated its ability to detect and deter large raptors and reduce the risk of collisions of these birds with wind turbines.

Compensatory Mitigation for Golden Eagles: Reducing Vehicle Collisions

AWWI and collaborators developed a model that estimates the number of golden eagles that can be saved by removing roadkill to reduce eagle fatalities from vehicle collisions.

AWWIC Bat Technical Report – 1st Edition (2018)

AWWIC is the most comprehensive database of post-construction fatality data from U.S. wind projects, incorporating both publicly available and contributed data. The 1st Edition Bat Technical Report (2018) sets the foundation for further studies of which bat species are at risk, where, and why.

IdentiFlight Technology Evaluation

This proof-of-performance test of IdentiFlight, a camera-based eagle detection/curtailment technology, evaluated its ability to detect and classify eagles at wind farms by comparing its capabilities to those of human observers.

Wind Documents Library

The Wind-Wildlife Documents Library is a searchable database of publicly available literature and reports related to wind energy and wildlife in North America.

Comprehensive Guide to Studying Wind Energy/Wildlife Interactions

This resource document of the Wildlife Workgroup is intended as a guide to persons involved in designing, conducting, or requiring wind energy/wildlife interaction studies.

Greater Sage-Grouse Fact Sheet: Overview and Effects of Wind Energy Development

This fact sheet provides an overview of knowledge on greater sage-grouse ecology, status, conservation challenges, and current conservation efforts, and presents a summary of recent research findings on the interactions between sage-grouse and wind energy development.

A Review of Conservation Options for Golden Eagles at Wind Energy Facilities

This publication discusses strategies for evaluating and implementing conservation measures for golden eagles at wind energy facilities and provides an updated framework for AWWI's Eagle Program.

National Wind Wildlife Research Plan 2018-2020

This Plan identifies priority areas of research 2018-2020 to achieve key outcomes for wind energy development and wildlife conservation.

Eagle Issue Brief

This Issue Brief provides an overview of eagle conservation policy in the U.S. and applications to eagles and wind energy.

Wind Wildlife Research Meeting XI Proceedings

These Proceedings of the 11th Wind Wildlife Research Meeting, 2016, summarize 37 presentations on research on balancing wind energy development and wildlife conservation. Focus areas include eagle detection and deterrence, bat fatalities, curtailment strategies, and population level impacts.

Prairie Grouse Issue Brief

This Issue Brief describes research (both ongoing and planned) and conservation strategies being employed to protect prairie-chickens and sage-grouse.

Predicting Eagle Fatalities at Wind Facilities

This paper compiles site-specific data on eagle activity and fatalities at wind energy facilities to update and refine the Bayesian predictive eagle “take” model developed by the U.S. Fish and Wildlife Service, providing more accurate estimates of take.

Estimating Mitigation Credits from Abating Lead Poisoning in Golden Eagles

This model quantifies the number of eagles that could be saved from voluntary measures to reduce their exposure to lead, expanding the number of compensatory mitigation options for eagles.

Effects of Wind Power Development on the Population Biology of Greater Prairie-Chickens in Kansas

This research brief summarizes the key findings from the comprehensive seven-year research project on the effects of wind power development on Greater Prairie-Chickens in Kansas.