Electric Sub Meter Calculator

Electric Sub Meter Calculator




Electric Sub Meter Calculator: A Comprehensive Guide

Introduction & Importance

Electric sub meters are crucial for tracking energy consumption and costs. Our calculator simplifies the process of determining your electricity usage and associated costs.

How to Use This Calculator

  1. Enter the two consecutive sub meter readings.
  2. Enter the rate per kWh.
  3. Click ‘Calculate’.

Formula & Methodology

The calculator uses the formula:

Usage (kWh) = Reading 2 - Reading 1

Cost ($) = Usage (kWh) * Rate (kWh)

Real-World Examples

Case Study 1

Reading 1: 12345, Reading 2: 12567, Rate: 0.12

Usage: 222 kWh, Cost: $26.64

Case Study 2

Reading 1: 67890, Reading 2: 68123, Rate: 0.15

Usage: 333 kWh, Cost: $49.95

Case Study 3

Reading 1: 98765, Reading 2: 99012, Rate: 0.13

Usage: 357 kWh, Cost: $46.21

Data & Statistics

Average Monthly Electricity Consumption by Sector (kWh)
Sector Average
Residential 911
Commercial 2,500
Industrial 10,000
Average Electricity Rates by State (ยข/kWh)
State Average
Hawaii 32.8
Alaska 18.3
Connecticut 20.1

Expert Tips

  • Regularly monitor your sub meter readings to track energy usage.
  • Compare your usage with the average to identify potential savings.
  • Consider energy-efficient appliances and practices to reduce costs.

Interactive FAQ

What is an electric sub meter?

A sub meter is a device that records the amount of electricity consumed by a property.

Why is it important to monitor my sub meter?

Monitoring your sub meter helps you understand your energy usage, identify potential savings, and ensure accurate billing.

How often should I read my sub meter?

Ideally, you should read your sub meter monthly to track your energy usage and costs.

Electric sub meter reading Electricity usage chart

For more information, see the U.S. Energy Information Administration and ENERGY STAR.

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