Real Accuracy
We calculate your true electricity rate using your actual plan details, including TDU charges and credits.
WattWise
Texas Electricity Rate Calculator
Calculate your true price per kWh - including delivery charges, credits, and fees - plus see your monthly bill.
Why Texans use WattWise
Join the first 500 Texans getting early access to true-rate transparency.
Simple & Fast
Enter a few numbers and instantly get your real price per kWh and estimated bill.
Make Better Decisions
Know whether your electricity plan is fair — or if it’s time to switch.
How WattWise Works
1
Grab your latest bill
Find your Electricity Facts Label (EFL) or latest bill to get your plan details.
2
WattWise Runs the True-Rate Formula
We factor in TDU fees, credits, and plan structures to show your actual cost.
3
See Your Real Price & Estimated Bill
Get the insight you need to choose — or avoid — a plan.
Ready to see your true electricity rate?
Start CalculatorElectricity Rate Questions Texans Ask
Many Texas plans advertise an energy charge but don’t highlight delivery (TDU) fees, fixed monthly charges, and bill credits that depend on usage. WattWise combines these to show your true effective ¢/kWh.
No. WattWise is a calculator and education tool. After you calculate your rate, you can choose to compare plans on third-party sites.
Yes — the calculator and guide are free.
WattWise is designed for deregulated Texas electricity areas. Some ZIP codes may be in regulated territories where plan shopping works differently.
Your true ¢/kWh depends on the plan details you enter and how your usage lines up with credits or thresholds. WattWise provides a strong estimate based on your inputs so you can compare plans more accurately.