96% April 24.40 101% May 23.24 78% June 24.87 56% Summer 24.71 52% July 26.24 55% August 25.53 48% September 22.12 49% October 23.41 81% Fall 21.29 83% November 19.13 85% December 14.18 61% Winter 17.67 78% January 18.19 86% February 20.96 90% Table 14: Daily Grid Water Usage (in Gallons) Avoided Due To a 5.61 KW PV Array, by Month, Season, and Year Month Water Cons. Avoided Due to PV (Gallons) % of Daily Water Cons. Avoided Due to PV Season Daily Water Cons. Avoided Due to PV (Gallons) % of Water Cons. Avoided Due to PV Yearly Daily Water Cons. Avoided Due to PV (Gallons) % of Daily Water Cons. Avoided Due to PV March 6.72 114% Spring 6.53 96% 6.63 98% May 6.25 77% June 7.56 59% Summer 7.98 56% July 8.68 60% August 8.74 53% September 6.87 53% October 6.41 80% Fall 5.85
82% November 5.28 84% December 3.89 55% Winter 4.88 84% January 5.00 101% February 5.83 97% Table : Vehicle Fuel, Emissions, and Water Consumption for Homes with EV's and Traditional Light Duty All-Gasoline Vehicles Chevy Volt Nissan Leaf Gasoline-Fueled Vehicle Average Reductions from Volt over Vehicle Average Reductions from Nissan Leaf over Gasoline-Fueled Vehicle FUEL CONSUMPTION DATA/ASSUMPTIONS Average Hourly Household Car Electricity Consumption (KWh/car) 0.24 0.26 0 (-0.24) (-0.26) Annual Gasoline Consumption, Scenario 1*: Average Light Duty MPG for Traditional All-Gasoline Vehicles 54 Gallons/ 2,010 Miles 0 528 Gallons/ 11,400 474 Gallons/ 9,390 528 Gallons/ 11,400 Miles Annual Gasoline Consumption, Scenario 2**: Chevy Volt MPG, for Both All-Gasoline Vehicles and PHEVs 54 Gallons/ 2,010 Miles 0 319 Gallons/ 11,804 Miles 265 Gallons/ 9,794 Miles 319 Gallons/ 11,804 EMISSIONS CALCULATIONS Average Annual Vehicle Electricity Emissions (lbs CO2/yr/car) 2,555 3,056.31 0 (-2,555) (-3,056.31) SCENARIO 1: Annual Gasoline Emissions (lbs CO2/yr/car) 1,064.35 0 10,340.91 9,276.56 10,340.91 SCENARIO 2: Annual Gasoline Emissions (lbs CO2/yr/car) 1,064.35 0 6,250.39 5,186.04 6,250.39
SCENARIO 1: Annual Vehicle Total Emissions (lbs CO2/yr/car) 3,619.35 3,056.31 10,340.91 6,721.56 7,284.6 SCENARIO 2: Annual Vehicle Total Emissions (lbs CO2/yr/car) 3,619.35 3,056.31 6,250.39 2,631.04 3,194.08 SCENARIO 1: Avg Percentage Avoided Annual Vehicle Emissions (lbs CO2 /yr/car) NA NA NA 64.99% 70.44% SCENARIO 2: Avg Percentage Avoided Annual Vehicle Emissions (lbs CO2 /yr/car) NA NA NA 42.09% 51.10% WATER CALCULATIONS Chevy Volt Nissan Leaf Gasoline-Fueled Vehicle Average Reductions from Chevy Volt over Vehicle Average Reductions from Nissan Leaf over Gasoline-Fueled Vehicle Average Grid Water Consumption (Gallons/yr/car) 721.47 859.98 0 (-721.47) (-859.98) SCENARIO 1: Annual Water Usage from Gasoline (Gallons/yr/car) 230.58 0 2,253 2,022.42 2,253 SCENARIO 2: Annual Water Usage from Gasoline (Gallons/yr/car) 230.58 0 1,362 1,131.42 1,362 SCENARIO 1: Avg Total Annual Vehicle Water Consumption (Gallons/yr/car) 952.05 859.98 2,253 1,300.95 1,393.02 SCENARIO 2: Avg Total Annual Vehicle Water Consumption (Gallons/yr/car) 952.05 859.98 1,362 409.95 502.02 SCENARIO 1: Avg Percentage Avoided Annual Vehicle Water Consumption (Gallons/yr/car) NA NA NA 57.74 % 61.83% SCENARIO 2: Avg Percentage Avoided Annual Vehicle Water Consumption (Gallons/yr/car) NA NA NA 30.10% 36.86%