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Longfellow Elementary School

System Details

Location	Westerville, OH   Map
Capacity	1.040 KWdc, 0.936 KWac
Commissioned Date	August 1, 2002
Monitoring Method	Soltrex
Array Azimuth	180°   What's this?
Array Tilt	45°   What's this?

Module Make and Model	Module Wdc	Quantity	Total Capacity (KWdc)
Astropower 65	65	16	1.040
Inverter Make and Model	Inverter Wac	Quantity	Total Capacity (KWac)
AES GC1000	1000	1	1.000

Latest Graph Data

Showing: Power output in kilowatts (kW)
		Choose a graph: Power Output Custom... Unit Converter

Modeled vs. Measured Energy

PV Energy (kWh)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Tot
Modeled kWh	68	74	108	114	114	112	113	115	109	96	64	57	1,144
2010 Actual kWh 2010 Ratio to Model	22 0.32	21 0.28	70 0.65	87 0.76	71 0.62	67 0.60	16 0.14	0 0.00	0 0.00				354 0.38
2009 Actual kWh 2009 Ratio to Model	17 0.24	52 0.71	77 0.71	70 0.62	80 0.70	74 0.66	67 0.59	70 0.61	66 0.61	44 0.45	50 0.78	30 0.53	697 0.61
2008 Actual kWh 2008 Ratio to Model	39 0.58	32 0.43	53 0.49	76 0.67	73 0.64	70 0.62	79 0.69	87 0.75	75 0.69	65 0.68	36 0.56	27 0.47	711 0.62
2007 Actual kWh 2007 Ratio to Model	32 0.47	46 0.62	60 0.55	67 0.59	85 0.74	77 0.69	80 0.71	77 0.67	83 0.76	54 0.56	40 0.62	20 0.35	720 0.63
2006 Actual kWh 2006 Ratio to Model			18 0.16	86 0.76	76 0.67	75 0.67	69 0.61	70 0.60	55 0.50	55 0.57	43 0.66	46 0.81	592 0.59

Energy/Pollution Equivalents

 Since monitoring began, this system has produced 3,073 kWh of electrical energy.

Enough electricity for...		More electricity equivalents
90 Americans' electricity needs for one day.	236,412 hours use of an energy-efficient CFL light bulb.	186,264,121 minutes yakking on a mobile phone.
And offsetting...		More pollution equivalents
4,280 lbs. of CO2 emissions, the main cause of global warming.	4,681 miles worth of CO2 emissions from the average American car.	6 trees cut down, given their capacity to absorb CO2.