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7.A. - Page 225 of 285 2019 Nonresidential New Construction Reach Code Cost Effectiveness Study 4.4 Cost Effectiveness Results - PV -only and PV+Battery The Reach Code Team ran packages of PV -only and PV+Battery measures, without any additional efficiency measures, to assess cost effectiveness on top of the mixed -fuel baseline building and the all - electric federal code minimum reference (Package 2 in Sections 4.1— 4.3). Jurisdictions interested in adopting PV -only reach codes should reference the mixed -fuel cost effectiveness results because a mixed -fuel building is the baseline for the nonresidential prototypes analyzed in this study. PV or PV+Battery packages are added to all -electric federal code minimum reference which (in many scenarios) do not have a positive compliance margin compared to the mixed - fuel baseline model, and are solely provided for informational purposes. Jurisdictions interested in reach codes requiring all-electric+PV or all-electric+PV+battery should reference package 3B results in Sections 4.1-4.3.25 Each of the following eight packages were evaluated against a mixed fuel baseline designed as per 2019 Title 24 Part 6 requirements. ♦ Mixed -Fuel + 3 kW PV Only: ♦ Mixed -Fuel + 3 kW PV + 5 kWh battery ♦ Mixed -Fuel + PV Only: PV sized per the roof size of the building, or to offset the annual electricity consumption, whichever is smaller ♦ Mixed -Fuel + PV + 50 kWh Battery: PV sized per the roof size of the building, or to offset the annual electricity consumption, whichever is smaller, along with 50 kWh battery ♦ All -Electric + 3 kW PV Only ♦ All -Electric + 3 kW PV + 5 kWh Battery ♦ All -Electric + PV Only: PV sized per the roof size of the building, or to offset the annual electricity consumption, whichever is smaller ♦ All -Electric + PV + 50 kWh Battery: PV sized per the roof size of the building, or to offset the annual electricity consumption, whichever is smaller, along with 50 kWh battery Figure 38 through Figure 40 summarize the on -bill and TDV B/C ratios for each prototype for the two PV only packages and the two PV plus battery packages. Compliance margins are 0 percent for all mixed -fuel packages. For all -electric packages, compliance margins are equal to those found in Package 2 for each prototype in Sections 4.1— 4.3. The compliance margins are not impacted by renewables and battery storage measures and hence not shown in the tables. These figures are formatted in the following way: ♦ Cells highlighted in green have a B/C ratio greater than 1 and are cost-effective. The shade of green gets darker as cost effectiveness increases. ♦ Cells not highlighted have a B/C ratio less than one and are not cost effective. 25 Because this study shows that the addition of battery generally reduces cost effectiveness, removing a battery measure would only increase cost effectiveness. Thus, a jurisdiction can apply the EE+PV+Battery cost effectiveness findings to support EE+PV reach codes, because EE+PV would still remain cost effective without a battery. 50 © 2019-07-25 477