Released on: November 24, 2007, 9:15 pm

Press Release Author: Stephen Yang, E.E., Wattminder

Industry: Internet & Online

Press Release Summary: Free public service website provides photovoltaic performance
benchmark on demand.
No more wondering about how a PV system is performing, even without critical
monitoring service.

Press Release Body: Sunnyvale, California - Nov. 25, 2007 - Wattminder, an energy &
utilities monitoring service provider, launches today a free, public service
Real-Time PV Performance bench mark website. It offers a sorely needed performance
reference checkpoint for all solar electric system owners, available globally at
www.pvperformance.com.
Any solar system owner and operators can now obtain mathematical model derived
performance bench marks on line, and stop wondering about how their system is
performing.
"After assessing or observing hundreds of solar installations, I concluded a large
proportion of PV installations is not performing properly, and is un-noticed by
their owners and operators, due to a lack of monitoring system. I decided to do
something about it." continued Steve Yang, P.E., president of wattminder-Yang
Associates, "This condition had been reported in CEC/PUC and National Renewable
Energy Laboratories (NREL) sponsored studies."
A visitor to the website, www.wattminder.com, or www.pvperformance.com, simply
enters a brief set of values for \'vital statistics\' of a solar system. The free
performance predictor will output a look-up table for a number of environmental
conditions, that this visitor\'s PV system should be producing at that instance-given
the Sun\'s position and the solar array\'s location and attitude. The values provided
serves as a checkpoint for a PV system owner who does not have a monitoring system,
or if monitoring system does not indicate how well his/her system is performing.
He/She may then manually check on his system\'s power meter reading, or from display
on the inverter readout. If the numbers match, or co-relate well with each other,
under somewhat different operating conditions, it would indicate his PV system is
performing reasonably well. "We hope, by providing this free bench mark service,
under-performing systems can be identified, and brought to the attention of its
install contractor, who would then correct any performance issue, thus restoring an
under-performing system to its full capacity.
About Wattminder\'s - Wattminder\'s, Inc, www.wattminder.com, is a Silicon Valley
startup company with a mission to leverage the convergence of internet, wireless
communications, software technologies, and artificial intelligence methodologies to
bring positive and meaningful impacts to the global warming crisis and get
real-time, visibility over energy usage and generation.

###

For more information about this topic, visit wattminder.com.

Web Site: http://www.wattminder.com

Contact Details: Steve Yang, P.E. Wattminder
1153 Bordeaux Dr. S#199, Sunnyvale, CA 94089
408-734-2907, 408-306-5803
scyang@wattminder.com