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This Applied Economic Clinic white paper provides the calculations and assumptions necessary to estimate complete 2019 benefit-cost ratios for battery storage measures in Massachusetts, using a methodology identical to that of the program administrator's own "BCR Model" spreadsheets for the 2019-2021 and previous three-year efficiency plans. The resulting Massachusetts benefit-cost ratios for battery storage in 2019 are:2.8 for a single-family home battery under the low-income efficiency program3.4 for a multi-family apartment complex battery under the commercial and industrial efficiency programsThe benefits of electric battery storage outweigh their costs, and, therefore, must be offered by Massachusetts electric program administrators to their customers, in accordance with the Green Communities Act. This white paper reviews the calculation of a value for battery storage of the cost and each type of benefit included in Massachusetts' cost-effectiveness assessment: avoided energy, avoided energy demand reduction induced price effects (DRIPE), summer generation capacity, winter generation capacity, electric capacity DRIPE, transmission, distribution, and reliability, non-energy benefits, and non-embedded environmental costs. Of these benefits, avoided capacity costs are by far the most substantial.
On behalf of the Conservation Law Foundation, this report, prepared by the Applied Economics Clinic (AEC), investigates how well Massachusetts' energy efficiency programs are reaching under-served communities and hard-to-reach families. In 2017, Massachusetts' "Mass Save" energy efficiency programs ranked number one in the annual efficiency scorecard produced by the American Council for an Energy-Efficient Economy (ACEEE) for the seventh consecutive year. Mass Save's ranking is not, however, a good indicator of whether or not low-income households are getting the services they need. At present, it is not possible to answer this question completely because Mass Save program administrators have access to - but do not include in publicly available statistics - information regarding low-income households, under-served communities and hard-to-reach families. Working with limited data, AEC found that there are substantial differences in energy savings among Massachusetts' towns, and lower-income communities are receiving lower efficiency savings. This report presents maps and other figures showing differences in efficiency savings, income, and other community characteristics like language abilities and renter status for both Massachusetts towns and neighborhoods within Boston.
Community Choice Energy (CCE) allows a municipality to purchase electricity from a competitive supplieron behalf of participating electric customers. CCE would allow Boston to pool customers together, using this greater bargaining power to benefit customers in the City. In addition, through CCE, the City would purchase at least five percent more Class I renewable energy than required under the Commonwealth'sRenewable Energy Portfolio (RPS) law.Currently, 127 cities and towns Massachusetts have adopted CCE—more than one-third of the 351 municipalities in the Commonwealth. Many municipalities that implement CCE procure five percent more renewable energy than is required by the Massachusetts RPS. Some are going even further, such as Brookline, which is purchasing 25 percent more renewable energy than required, and Greenfield, which is purchasing 100 percent renewables.This report reviews commonly asked questions that the City should consider as it assesses whether to adopt this policy.
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