Case Studies
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Case Studies
Strategic Planning for a Decarbonized Future
Case Studies
ILLUME assists clients by offering strategic planning support to identify research, program designs, and technologies that align with utility and policy…
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Case Studies
The Intersection of Food Deserts and Energy Efficiency
Case Studies
The ILLUME team led a research study to support the launch of SoCalREN’s new Food Desert Energy Efficiency Equity (FDEEE) program.
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Case Studies
Addressing Challenges in Heat Pump Water Heater Adoption
Case Studies
ILLUME conducted an ethnographic research study to explore the magnitude of installation challenges for heat pump water heaters (HPWHs) in cold-climate…
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Case Studies
Heat Pump and Integrated Controls Performance Review
Case Studies
Heat pumps are on the rise in the Northeast, with Massachusetts offering incentives for electrifying home heating and reducing reliance on…
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Case Studies
Shifts in Energy Use Through Time-Varying & Dynamic Pricing Rates
Case Studies
Rolling out dynamic pricing (or real-time pricing) rates is a challenge, but new rate designs will be increasingly necessary to address…
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Case Studies
A Square Peg and a Round Hole: Advancing Affordability, Access, and Resiliency
Case Studies
Many states, agencies, and utilities are entrusted with translating policies and goals into actionable strategies. In this case study, ILLUME shares…
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Case Studies
Driving the All-Electric Home Construction Market Forward
Case Studies
In order to help federal, state, and local action plans reach their decarbonization goals, ILLUME looked into ways to promote the…
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Case Studies
How Market Actors Can Spur All-Electric New Home Construction
Case Studies
ILLUME investigated the market actors that have the power to influence electrifying the residential sector to better understand the barriers that…
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Case Studies
Eliminating Energy Program Participation Barriers
Case Studies
An ILLUME study reveals that homeowners are nearly 20% more likely than renters to be aware of their utility’s energy efficiency…
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Case Studies
New York Leans Into Community-Focused Climate Goals
Case Studies
Disadvantaged communities face numerous barriers when accessing clean energy and climate adaptation services. To overcome these barriers, NYSERDA enlisted ILLUME to…
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Case Studies
Testing the Efficacy of Home Energy Reports
Case Studies
Drawing on statistical methods from biomedical research, ILLUME applied meta-analysis techniques to measure savings from home energy report (HER) programs to…
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Case Studies
Connecting with Communities
Case Studies
Expanding engagement to create more inclusive programs. With a novel and engaging research approach, ILLUME identified strategies for an electric utility…
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Case Studies
Understanding Customer Motivations to Reshape Solar Programs
Case Studies
In 2021, ILLUME conducted research to help a southeastern utility understand customers’ experiences with under-subscribed solar offers and to understand how…
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Case Studies
Holistic Customer Segmentation
Case Studies
ILLUME was contracted by a regional utility to conduct a customer segmentation study that coupled demographic data with satisfaction and engagement…
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Case Studies
Integrated HVAC Controls: Learning From Early Adopters
Case Studies
To reach our industry’s ambitious carbon reduction goals, technology has to work for the environment and for people. In this case…
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Case Studies
Value, Cost, and Price In A Time of Climate Shocks
Case Studies
Extreme weather events nearly always result in the same outcome: power failures. When this happens, utilities can activate incident command protocols…
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Case Studies
From Energy Efficiency to Demand Impacts
Case Studies
As the need for demand mitigation increases, how can utilities and program administrators extend energy efficiency portfolios to increase demand impacts?
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Case Studies
Hidden in the Basement: Learnings From A Demand Response Study
Case Studies
In a crowded market of new and more efficient appliances, can heat pump water heaters deliver deeper savings and expanded opportunities…
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Case Studies
New Metrics: Assessing Energy Burden and Bill Impacts
Case Studies
Reorienting toward equity, utilities are seeking ways to remedy disparities through income eligible (IE) offerings. Learn how we helped a Midwest utility…
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Case Studies
Understanding Our Underserved Majority
Case Studies
What happens when we reject monolithic thinking, and listen to customers’ lived experiences to find out what matters most to them?…
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Case Studies
Are EV-Supporting Programs Revving the Market?
Case Studies
ILLUME led research to evaluate and understand the market impact of National Grid’s EV charging incentive program in 2020.
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Case Studies
Residential Nonparticipant Market Characterization and Barriers Study
Case Studies
ILLUME conducted primary research for the Massachusetts Program Administrators and EEAC to characterize Mass Save residential nonparticipants, investigate barriers to participation,…
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Case Studies
Bring Your Own Thermostat (BYOT) Pilot Evaluation
Case Studies
ILLUME conducted a Bring your Own Thermostat (BYOT) Pilot evaluation for Georgia Power (process, impact) to assess demand impacts and savings…
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Case Studies
Optimizing Thermostat Demand Response Program Performance Paper
Case Studies
This paper, co-presented at the 2019 IEPEC conference, explores how weather and program design factors influence DR program participant behavior, particularly…