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ABSTRACT Wind power is an important low-carbon technology and the most rapidly growing renewable energy technology in the US, but there is significant state-by-state variation in wind power distribution. This variation cannot be explained solely by wind resource patterns or US state policy and points to the importance of both local and central governance. We outline the national context for wind deployment in the US and then explore the sub-national, state-level factors shaping wind deployment patterns. We probe the socio-political context across four US states by integrating multiple research methods. Through comparative state-level analysis of the energy system, energy policy, public discourse as represented in the media and state-level, energy policy stakeholders' perceptions we examine variation in the context for wind deployment in Massachusetts, Minnesota, Montana and Texas. Our results demonstrate that different patterns of wind deployment and different debates about wind power have emerged in each locale. Participants across the different states appear to frame the risks and benefits of wind power in significantly different ways. We discuss the impact of risks and benefit frames on energy policy outcomes. The comparative assessment highlights the complex interplay between central and local governance and explores the significant socio-political variation between states. The study contributes to the understanding of energy technology deployment processes, decision-making and energy policy outcomes. Copyright © 2014 John Wiley & Sons, Ltd and ERP Environment. [ABSTRACT FROM AUTHOR]

In the United States, electricity consumers are told that they can “buy” electricity from renewable energy projects, versus fossil fuel-fired facilities, through participation in voluntary green power markets. The marketing messages communicate to consumers that they are causing additional renewable energy generation and reducing emissions through their participation and premium payments for a green label. Using a spatial financial model and a database of registered Green-e wind power facilities, the analysis in this paper shows that the voluntary Renewable Energy Certificate (REC) market has a negligible influence on the economic feasibility of these facilities. Nevertheless, voluntary green power marketers at least implicitly claim that buying their products creates additional renewable energy. This study indicates the contrary. Participants in U.S. voluntary green power markets associated with wind power, therefore, appear to be receiving misleading marketing messages regarding the effect of their participation. In the process of completing this analysis, a potentially relevant factor in explaining investor behavior was identified: the potential for the overlap of voluntary REC markets with compliance REC markets that supply utilities need to meet their obligations of Renewable Energy Portfolio Standard (RPS). The majority of state RPS rules allow for regional or even national sourcing of RECs, meaning that projects are generally eligible to provide compliance RECs to utilities not only in their home states, but in several other states., Engineering and Applied Sciences