Greenhouse Gas Calculations - NorCal

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R
1	This spreadsheet was created by Danny Parker (FSEC) as part of the Passive House California (PHCA) workshops on Heat Pump Water Heaters
2	Please provide credit to Danny and PHCA when using this resource.
3	Date:	April 2018
4
5	Hot Water Energy Estimator & GreenHouse Gas Emission Rates										key inputs
6		Lbs CO2/kWh		lbs/Therm	$/kWh	$/therm							Nat. GasTank	Nat Gas:Tankless	ElecResistance	HPWH	PV_HPWH
7	PaloAlto	0.727		11.7	0.19	1.39						EF/UEF	0.54	0.75	0.84	3.00	6.00
8												Therms/yr	202.74	110.2	0	0	0
9												kWh/yr	0	0	2885	808	404
10												lbs CO2/yr	2372	1290	2098	587	294
11												$Dollars/yr	$282	$153	$548	$153	$77
12	Energy for Heating Hot Water
13	Gallons per Day*		Water T	Hot Water T		Btu/day	kWh/Day	kWh/yr		Therms/day	Therms/yr
14	37.8		58	130		22651	6.64	2423		0.302	110.2
15																Clotheswasher (CW)		Dishwasher (DW)
16	Tank Standby Loss					Btu/day	kWh/Day	kWh/yr	Total	Seasonal_EF		Hot Water Draw Influences		Parameter		CW Cycles/yr		DWCycles/yr
17	UA tank_Elec											ClothesWasher_gpd		1.9		306		181
18	2.5					4320	1.27	462	2885	0.84		Dishwasher_gpd		4.1
19												Total Occupants		3.0		Energy Star CW?		EnergyStar DW?
20	UA_tank_gas					Btu/day	Therms/Day	Therms/yr	Total	Seasonal_EF		Fmix		0.65		N		N
21	11					19008	0.253	92.5	202.7	0.54		Teenagers		0.0		CW/gpc		DW/gpc
22												Children		1.0		2.3		8.2
23	Firing Efficiency											VintageFixtures		1.00
24	Gas firing efficiency			NatGas Heat Content		Electric Heat Content						Non-demographic GPD		49.3
25	0.75			100000		3412						Total Gallons/day		37.8
26
27	Energy Rates
28	https://www.cityofpaloalto.org/civicax/filebank/documents/8089								https://www.pge.com/tariffs/index.page
29	Data for GHG Calculations
30	https://www.pge.com/includes/docs/pdfs/shared/environment/calculator/pge_ghg_emission_factor_info_sheet.pdf
31	https://www.cityofpaloalto.org/civicax/filebank/documents/25543/
32	Data for Hot Water Gallons per Day
33	http://fsec.ucf.edu/en/publications/pdf/FSEC-PF-464-15.pdf
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100