Eileen Hannigan

In this paper presented at the 2022 IEPEC Conference, we describe a broad market research study completed in 2020, intended to provide a snapshot of the current state of underserved businesses in one state in the southeast.
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In Episode 2 of Growing to Meet the Change, Anne speaks with each member of the Executive Team about their new roles, and what it means for the future of ILLUME and our clients.
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This presentation, presented at the 2022 IEPEC conference, discusses two approaches to water heater demand response (DR); full unit replacement and after-market controllers. We present results from a pilot sponsored by a southeastern utility that tested installing brand-new Wi-Fi-enabled water heaters and conducted both winter and summer events.
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Our team conducted a thorough review of research addressing the research question: What happens to energy savings when HER recipients no longer receive reports or if they receive reports at a reduced cadence?
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Anne Dougherty discusses how massive shifts in energy use patterns have us rethinking everything from baselines to alternative metrics for 2020 with ILLUME’s technical team.
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Eileen Hannigan moderates a discussion on how massive shifts in energy use patterns have us rethinking everything from baselines to alternative metrics for 2020.
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As we continue to think through the implications of the novel coronavirus, we need to consider how to quickly adapt our evaluation frameworks to provide meaningful results.
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In a crowded market of new and more efficient appliances, can heat pump water heaters deliver deeper savings and expanded opportunities to leverage DR to support the grid during peak usage?
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With a novel and engaging research approach, ILLUME identified strategies for an electric utility to serve a broader, more inclusive group of customers residing in the Korean, Vietnamese, Chinese, and Latine communities.
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This white paper presented at the 2022 IEPEC conference discusses two approaches to water heater demand response (DR) – full unit replacement and after-market controllers. We present results from a pilot sponsored by a southeastern utility that tested installing brand-new Wi-Fi enabled water heaters and conducted both winter and summer events. 
Click on the title to read the white paper.

In her BECC 2017 presentation, Eileen Hannigan share an overview of her statewide potential study of the behavioral savings potential—and tactics to reach those savings—with Minnesota small and medium businesses.
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Eileen Hannigan’s white paper shares how small businesses, which may have limited capital for large investments, are good candidates for low-cost behavior change conservation.
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What is the behavioral intervention potential in Minnesota small businesses? And how do you get them to engage? Anne Dougherty, Eileen Hannigan, and Shannon Kahl answer those questions in this 2017 report.
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Co-authored by Eileen Hannigan and presented at the 2015 IEPEC conference.
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Eileen Hannigan co-authored a report comparing Wisconsin weatherization programs for the U.S. Department of Energy, Energy Efficiency & Renewable Energy Building Technologies Program.
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This white paper on market lift was co-authored by Eileen Hannigan and Rick Winch and presented at the 2010 ACEEE Summer Study.
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This white paper, co-authored by Eileen Hannigan and presented at the 2010 ACEEE Summer Study proves how promotional tactics encouraged commercial lighting in the Focus on Energy Program.
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