Off Grid Utility Calculator

	A	B	C	D	E	F	G	H	I	J
1	Electrical Load Calculations
2	Item#	Electrical Component	Component Voltage	Component Amps	Start or Continuous	Run Time of Component	Watts Calculated	kVa Calculated	kWh Calculated	kVh Calculated
3	1	Refrigerator	120	7.5	Start	0.25	900.00	0.90	225.00	0.23
4	2	Refrigerator	120	4.5	Continuous	4	540.00	0.54	2,160.00	2.16
5	3	Deep Freeze (Chest Type)	120	1.69	Continuous	4	202.80	0.20	811.20	0.81
6	4	Laptop	20	3.25	Continuous	8	65.00	0.07	520.00	0.52
7	5	Printer	120	0.5	Continuous	2	60.00	0.06	120.00	0.12
8	6	Sony 40” LCD TV	120	1.42	Continuous	3	170.40	0.17	511.20	0.51
9	7	Sony Home Theater	120	1.42	Continuous	3	170.40	0.17	511.20	0.51
10	8	Deep Freeze (Chest Type)	120	4	Start	0.25	480.00	0.48	120.00	0.12
11	9		120				0.00	0.00	0.00	0.00
12	10		120				0.00	0.00	0.00	0.00
13	11		120				0.00	0.00	0.00	0.00
14	12		120				0.00	0.00	0.00	0.00
15	13		120				0.00	0.00	0.00	0.00
16	14		120				0.00	0.00	0.00	0.00
17	15		120				0.00	0.00	0.00	0.00
18	16		120				0.00	0.00	0.00	0.00
19	17		120				0.00	0.00	0.00	0.00
20	18		120				0.00	0.00	0.00	0.00
21	19		120				0.00	0.00	0.00	0.00
22	20		120				0.00	0.00	0.00	0.00
23	21		120				0.00	0.00	0.00	0.00
24	22		120				0.00	0.00	0.00	0.00
25	23		120				0.00	0.00	0.00	0.00
26	24		120				0.00	0.00	0.00	0.00
27	25		120				0.00	0.00	0.00	0.00
28	Totals			24.28			2,588.60	2.59	4,978.60	4.98
29
30	Design Power						1,553.16	1.55	2,987.16	2.99
31
32	Build Comparisons, use this to compare battery and system builds for efficiency
33	Diversity Factor	60%		60%		60%
34	Battery Amp Hour	370		370		344
35	Battery Voltage (DC)	6		6		12
36	Battery Count	4		8		4
37	System DC Voltage	24		48		48
38
39	Battery kW	8880		17760		16512
40	Battery kWh	8.88		17.76		16.512
41	Run Time Days @ 30%	1.0		2.1		1.9
42	Run Time Days @ 40%	1.4		2.7		2.6
43	Run Time Days @ 50%	1.7		3.4		3.2
44	Run Time Days @ 60%	2.1		4.1		3.8
45	Run Time Days @ 70%	2.4		4.8		4.5
46	Generator Charge Times
47	Charger Volts	24		48		48
48	Charger Amps	25		40		40
49	Charger Watts	3000		4800		4800
50	Battery Discharge Value		Balance		Balance		Balance
51	30%	111	-3.0	111	-3	103	-2.8
52	40%	148	-2.0	148	-2	138	-2.4
53	50%	185	-3.4	185	-5	172	-2.0
54	60%	222	-4.8	222	-8	206	-3.6
55	70%	259	-1.4	259	-3	241	-1.2
56			Run Time		Run Time		Run Time
57	Charge Time Days @ 30%	114	4.75	114	2.85	106	2.65
58	Charge Time Days @ 40%	150	6.25	150	3.75	140	3.5
59	Charge Time Days @ 50%	188.4	7.85	190	4.75	174	4.35
60	Charge Time Days @ 60%	226.8	9.45	230	5.75	210	5.25
61	Charge Time Days @ 70%	260.4	10.85	262	6.55	242	6.05
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