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Murchison 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	N/A

Module Make and Model	Module Wdc	Quantity	Total Capacity (KWdc)
Sharp	123	33	4.059
Inverter Make and Model	Inverter Wac	Quantity	Total Capacity (KWac)
Fronius IG-4000	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	391	381	489	494	486	487	514	534	480	488	380	370	5,494
2010 Actual kWh 2010 Ratio to Model	224 0.57	269 0.71	588 1.20	470 0.95	518 1.07	518 1.06	538 1.05	604 1.13	108 0.23				3,837 0.90
2009 Actual kWh 2009 Ratio to Model	493 1.26	488 1.28	489 1.00	520 1.05	560 1.15	600 1.23	571 1.11	612 1.15	297 0.62	242 0.50	225 0.59	180 0.49	5,279 0.96
2008 Actual kWh 2008 Ratio to Model	1 0.00	202 0.53	481 0.98	529 1.07	556 1.14	595 1.22	613 1.19	540 1.01	579 1.21	573 1.17	460 1.21	369 1.00	5,498 1.00
2007 Actual kWh 2007 Ratio to Model	255 0.65	176 0.46	67 0.14	31 0.06	55 0.11	0 0.00	0 0.00	1 0.00	0 0.00	0 0.00	0 0.00	0 0.00	585 0.11
2006 Actual kWh 2006 Ratio to Model											364 0.96	329 0.89	693 0.92

Energy/Pollution Equivalents

 Since monitoring began, this system has produced 15,892 kWh of electrical energy.

Enough electricity for...		More electricity equivalents
467 Americans' electricity needs for one day.	1,222,456 hours use of an energy-efficient CFL light bulb.	963,147,091 minutes yakking on a mobile phone.
And offsetting...		More pollution equivalents
22,129 lbs. of CO2 emissions, the main cause of global warming.	24,206 miles worth of CO2 emissions from the average American car.	33 trees cut down, given their capacity to absorb CO2.