1. What is a Cost per kWh Calculator?

Definition: This calculator determines the cost per kilowatt-hour (kWh) of electricity based on total cost and energy consumption.

Purpose: It helps consumers and businesses understand their electricity costs and compare different energy plans or usage scenarios.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( C_{kWh} \) — Cost per kilowatt-hour ($/kWh or £/kWh)
• \( C \) — Total cost ($ or £)
• \( E_{kWh} \) — Energy consumption (kWh)

Explanation: The total cost is divided by the total energy consumption to determine the cost per unit of energy.

3. Importance of Cost per kWh Calculation

Details: Understanding cost per kWh helps in budgeting, comparing utility providers, evaluating energy efficiency measures, and making informed decisions about electricity usage.

4. Using the Calculator

Tips: Enter the total cost (from your electricity bill) and the total energy consumption in kWh (also from your bill). Both values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Where can I find these values on my electricity bill?
A: The total cost is usually labeled as "Amount Due" and energy consumption is typically listed as "kWh used" or similar.

Q2: What's a typical cost per kWh?
A: Residential rates typically range from $0.10 to $0.30 per kWh, varying by location and provider.

Q3: Should I use the total bill amount or just the energy charge?
A: For most accurate comparisons, use the total bill amount including all fees and taxes.

Q4: How can I reduce my cost per kWh?
A: Consider switching to a cheaper tariff, using energy during off-peak hours, or installing energy-efficient appliances.

Q5: Does this work for both residential and commercial electricity?
A: Yes, the calculation works the same way regardless of customer type, though commercial rates often have different structures.