DIY - A Home Solar Power System

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Excel may force you have to choose just one Power Efficiency Guide Review  balance point, and possibly then you would iterate with different balance points, whereas canned software will allow you to easily find the best fit line using different balance points. In addition, if you enter your weather data in high low temperatures or average temperatures, it can be difficult to apply the correct weather data to the correct billing periods. Try it, and you will see.

AVAILABLE WEATHER CORRECTION DESKTOP SOFTWARE All of the major desktop utility bill tracking software packages will now correct for weather data. Nearly all of them will correct for your own variables as well. The major desktop programs are Energy CAP, Metrix, Stark Essentials, and Utility Manager Pro. You can find information on all of them online.

CONCLUSION Weather changes from year to year. If wish to use utility bills to show energy savings from energy management programs with any degree of accuracy, it is important to correct your utility bills for fluctuations in weather.

John Avina, President of Abraxas Energy Consulting, has worked in energy analysis and utility bill tracking almost 15 years. During his tenure at Thermal Energy Applications Research Center, Johnson Controls, SRC Systems, Silicon Energy and Abraxas Energy Consulting, Mr. Avina has managed the M&V for a large performance contractor, managed software development for energy analysis applications, created energy analysis software that is commercially for sale, taught over 200 energy management classes, created hundreds of building models and utility bill tracking databases, modeled hundreds of utility rates, performed numerous energy audits and set up and maintained M&V projects for a handful of 500 to 1000 unit big box store chains.

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