Power usage graphs
Data import formats 
Data Import
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With the cost of power ever increasing, knowing what you are using and when
gives your the ability to reducing the cost,
EMA shows you how.
EMA analyzes the NEM12 formatted data from the E1 and E2 registers, this must be
provided by your retailer and / or distributor on request, the software
calculates the total power that has been used, this is made up of, peak, off
peak and controlled load, if you have solar generatiion, EMA will also import
this data which comes from the B3 register of your meter.
By reading these values, EMA calcultaes the cost of power based on the time
slice charged at the applicable rate as indicated on the retailers bill.
EMA also takes into account any Off Peak Concession, Govenment rebates
or any
other discount or charges that may apply to come up with a final costing independant of the
electricity retailers bill you received.
Once the data has been analyzed, you are able to see the power usage in graph
form, the graphs show the daily usage in half hour intervals for peak, off peak,
controlled load, solar input if any and an amalgamation of the three types to show the total for the
time slice.
EMA also shows you the total power used for a selected day, the
daily cost and the average monthy over the whole period.
To help you to analyze your usage, EMA is also able to import weather data from
the Bureau of Meteorology, this information is shown on the graph so that you can correlate the weather
conditions with rain fall with that of your power usage on any particular day of
the read cycle.
Having all this data available to you enables you to reduce cost without
reducing total power consumption by smarter use of off peak power, for instance,
all power consumption on week end's for some tariffs, is charged at the off peak rate so by using
this knowledge you can reduce your power bills by simply running your washing
machine on week ends or starting a load at 6.0 am before the peak period starts.
The graphs will also show you anomalies like spikes in power usage at specific
time intervals, you can also compare the graphs of the same period for the
previous year along with the weather data for that period.
Importing meter data is simply a matter of obtaining the data from your
electricity retailer or distributor making sure that you ask for the data to be
in the NEM12 format that includes the E2,
E1 and B3 registers (if you have solar generation), in the CSV format.
Using the NEM12 format,
EMA will import data from any retailer or distibutor that supplies the raw NEM12
data files, it may however be necesary to strip xml headers from the file before
import can begin, assistance will be provided if needed.
Upload file types must be Microsoft Excel (xls) or comma
seperated values (csv) only, all other types will be ignored.
Download the
free demo with sample data, judge for yourself. |