Savings Formula:
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Definition: This calculator estimates the monetary savings from reduced home energy consumption by comparing old and new energy usage.
Purpose: It helps homeowners evaluate the financial benefits of energy efficiency improvements or behavior changes.
The calculator uses the formula:
Where:
Explanation: The difference between old and new energy use is multiplied by the electricity rate to determine dollar savings.
Details: Understanding potential savings helps justify energy efficiency investments and encourages conservation behaviors.
Tips: Enter your previous energy use, estimated new energy use after improvements, and your local electricity rate (default $0.12/kWh).
Q1: Where can I find my energy usage?
A: Check your utility bills or online account for monthly kWh consumption data.
Q2: What's a typical electricity rate?
A: Rates vary by location but average $0.12-$0.20/kWh in the U.S. Check your latest bill for exact rates.
Q3: Can this calculate monthly savings?
A: Yes, just enter monthly kWh values instead of annual ones.
Q4: What if my new usage is higher than old?
A: The calculator will show $0 savings (negative savings aren't displayed).
Q5: Does this account for tiered rates?
A: No, it uses a flat rate. For tiered rates, use the rate that applies to your reduced consumption.