Monthly electrical bill is as good for energy management as a summary of monthly bank statement is for financial management: too little of data to understand what happened and too late to act.
Summary of bank statement shows balance of account: sum of deposits and sum of payments. If you have spent too much or received too little – it’s water under the bridge now.
Monthly electrical bill shows how much electricity has been used and how much it costed you. Similarly to situation with bank account, you can’t change it. It’s in the past.
If you aim to manage energy in industrial environment, you must monitor energy consumption continuously. Usually it’s impractical and too costly to do this work manually, or even in Excel.
Energy management information system (EMIS) is the key to managing your energy cost before it’s too late.
Nobody can recover energy wasted last month. What’s gone is gone. Like with cash.
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