String Sizing

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Welcome to the PV Powered String Sizing Tool. Use the Project Specifications section to specify your project. The Sizing Tool will then calculate compatible string configurations and show them in the Recommendations section.

Project Specifications
Module Manufacturer	Temperature Scale Fahrenheit Celsius
Module Model #	Correction Factor
Mounting Type Roof Ground Pole	Local Temperature Range from to
Filter Inverter List Current Discontinued	Inverter

Module Specifications
Manufacturer: 1SolTech	Model: STH-235

STC Watts	235.0 watts	VOC Temp Coefficient	-0.1369 V/Deg C
PTC Watts	0.0 watts	Max Power Temp Coefficient	n/a
VOC	37.0 vdc	Coldest Day VOC	42.9 vdc
VMP	29.3 vdc	Warmest Day VMP	23.2 vdc
IMP	8.02 A

Inverter Specifications: PVP 100K-480
Maximum DC Input Voltage	600 V	Continuous Power Output	100,000 W
DC Peak Power Tracking Range	295 - 500 V	Weighted CEC Efficiency	96.0%
DC IMP Nominal Current	356 A	AC Nominal Voltage	480 V
		AC Operating Range	422 - 528 V
		AC Frequency	60 Hz
		AC Maximum Continuous Current	120 A

Recommendations:
	Parallel Strings	Series Modules	STC Watts	PTC Watts	Inverter AC Watts	STC VOC	Coldest Day VOC	STC VMP	Warmest Day VMP	STC IMP

40	13	122,200 W	481 vdc	558 vdc	381 vdc	302 vdc	320.8 A
39	13	119,145 W	481 vdc	558 vdc	381 vdc	302 vdc	312.78 A
38	13	116,090 W	481 vdc	558 vdc	381 vdc	302 vdc	304.76 A
37	14	121,730 W	518 vdc	600 vdc	411 vdc	325 vdc	296.74 A
37	13	113,035 W	481 vdc	558 vdc	381 vdc	302 vdc	296.74 A
36	14	118,440 W	518 vdc	600 vdc	411 vdc	325 vdc	288.72 A
36	13	109,980 W	481 vdc	558 vdc	381 vdc	302 vdc	288.72 A
35	14	115,150 W	518 vdc	600 vdc	411 vdc	325 vdc	280.7 A
35	13	106,925 W	481 vdc	558 vdc	381 vdc	302 vdc	280.7 A
34	14	111,860 W	518 vdc	600 vdc	411 vdc	325 vdc	272.68 A
34	13	103,870 W	481 vdc	558 vdc	381 vdc	302 vdc	272.68 A
33	14	108,570 W	518 vdc	600 vdc	411 vdc	325 vdc	264.66 A
33	13	100,815 W	481 vdc	558 vdc	381 vdc	302 vdc	264.66 A
32	14	105,280 W	518 vdc	600 vdc	411 vdc	325 vdc	256.64 A
32	13	97,760 W	481 vdc	558 vdc	381 vdc	302 vdc	256.64 A
31	14	101,990 W	518 vdc	600 vdc	411 vdc	325 vdc	248.62 A
31	13	94,705 W	481 vdc	558 vdc	381 vdc	302 vdc	248.62 A
30	14	98,700 W	518 vdc	600 vdc	411 vdc	325 vdc	240.6 A
30	13	91,650 W	481 vdc	558 vdc	381 vdc	302 vdc	240.6 A
29	14	95,410 W	518 vdc	600 vdc	411 vdc	325 vdc	232.58 A
29	13	88,595 W	481 vdc	558 vdc	381 vdc	302 vdc	232.58 A
28	14	92,120 W	518 vdc	600 vdc	411 vdc	325 vdc	224.56 A
28	13	85,540 W	481 vdc	558 vdc	381 vdc	302 vdc	224.56 A
27	14	88,830 W	518 vdc	600 vdc	411 vdc	325 vdc	216.54 A
27	13	82,485 W	481 vdc	558 vdc	381 vdc	302 vdc	216.54 A
26	14	85,540 W	518 vdc	600 vdc	411 vdc	325 vdc	208.52 A
26	13	79,430 W	481 vdc	558 vdc	381 vdc	302 vdc	208.52 A
25	14	82,250 W	518 vdc	600 vdc	411 vdc	325 vdc	200.5 A
25	13	76,375 W	481 vdc	558 vdc	381 vdc	302 vdc	200.5 A
24	14	78,960 W	518 vdc	600 vdc	411 vdc	325 vdc	192.48 A
24	13	73,320 W	481 vdc	558 vdc	381 vdc	302 vdc	192.48 A
23	14	75,670 W	518 vdc	600 vdc	411 vdc	325 vdc	184.46 A
23	13	70,265 W	481 vdc	558 vdc	381 vdc	302 vdc	184.46 A
22	14	72,380 W	518 vdc	600 vdc	411 vdc	325 vdc	176.44 A
22	13	67,210 W	481 vdc	558 vdc	381 vdc	302 vdc	176.44 A
21	14	69,090 W	518 vdc	600 vdc	411 vdc	325 vdc	168.42 A
21	13	64,155 W	481 vdc	558 vdc	381 vdc	302 vdc	168.42 A
20	14	65,800 W	518 vdc	600 vdc	411 vdc	325 vdc	160.4 A
20	13	61,100 W	481 vdc	558 vdc	381 vdc	302 vdc	160.4 A
19	14	62,510 W	518 vdc	600 vdc	411 vdc	325 vdc	152.38 A
19	13	58,045 W	481 vdc	558 vdc	381 vdc	302 vdc	152.38 A
18	14	59,220 W	518 vdc	600 vdc	411 vdc	325 vdc	144.36 A
18	13	54,990 W	481 vdc	558 vdc	381 vdc	302 vdc	144.36 A
17	14	55,930 W	518 vdc	600 vdc	411 vdc	325 vdc	136.34 A
16	14	52,640 W	518 vdc	600 vdc	411 vdc	325 vdc	128.32 A