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O Henry Middle School

System Details

Location	Austin, TX   Map
Capacity	4.059 KWdc, 3.653 KWac
Commissioned Date	October 1, 2006
Monitoring Method	Soltrex
Array Azimuth	180°   What's this?
Array Tilt	30°   What's this?

Module Make and Model	Module Wdc	Quantity	Total Capacity (KWdc)
Sharp ND-L3EJEA	123	33	4.059
Inverter Make and Model	Inverter Wac	Quantity	Total Capacity (KWac)
Fronius IG-4500	4500	1	4.500

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	391	381	489	494	486	487	514	534	480	488	380	370	5,494
2010 Actual kWh 2010 Ratio to Model	142 0.36	259 0.68	402 0.82	308 0.62	335 0.69	339 0.70	352 0.68	412 0.77	75 0.16				2,623 0.62
2009 Actual kWh 2009 Ratio to Model	336 0.86	330 0.87	327 0.67	351 0.71	362 0.75	395 0.81	384 0.75	416 0.78	278 0.58	208 0.43	0 0.00	0 0.00	3,386 0.62
2008 Actual kWh 2008 Ratio to Model	237 0.61	512 1.34	482 0.98	525 1.06	549 1.13	423 0.87	400 0.78	360 0.67	395 0.82	384 0.79	306 0.81	251 0.68	4,823 0.88
2007 Actual kWh 2007 Ratio to Model	190 0.49	0 0.00	221 0.45	399 0.81	375 0.77	374 0.77	294 0.57	279 0.52	212 0.44	259 0.53	206 0.54	255 0.69	3,064 0.56
2006 Actual kWh 2006 Ratio to Model											344 0.91	304 0.82	648 0.86

Energy/Pollution Equivalents

 Since monitoring began, this system has produced 14,544 kWh of electrical energy.

Enough electricity for...		More electricity equivalents
428 Americans' electricity needs for one day.	1,118,782 hours use of an energy-efficient CFL light bulb.	881,464,485 minutes yakking on a mobile phone.
And offsetting...		More pollution equivalents
20,253 lbs. of CO2 emissions, the main cause of global warming.	22,153 miles worth of CO2 emissions from the average American car.	30 trees cut down, given their capacity to absorb CO2.