Last week in Thermal Storage for Grid-Interactive Efficient Buildings (GEBs), I introduced the importance of phase changes from solid to liquid to vapor, and the reverse, to our modern world. Benefits include heating, cooling, and refrigeration for all types of uses, including space conditioning, food storage and transportation, healthcare, manufacturing, and of course, thermal storage. The simplest everyday thermal storage material is ice. Grocery and convenience companies have enormous ice-making facilities for guess what: thermal storage and your lowly Igloo or swanky Yeti coolers. I have a Coleman Lil Oscar cooler that I’ve used since Ha School. Now that is…
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In many states, energy efficiency programs are meeting annual savings goals and their incentive cash is depleted in a fraction of the year. States where energy efficiency programs are a new offering are especially quick to meet goals. These states include Ohio, Michigan and Illinois. These states rely heavily on lighting, which accounts for somewhere in the range of 90% of the total savings. Even mature states like Wisconsin and California still get well over half their savings from lighting and other prescriptive measures (rebates). Wisconsin surpassed goals and ran out of incentives last program year. There are many ways…
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