Contact

Questions, corrections, source updates, or suggestions? We welcome feedback that helps keep WattCost.org useful and accurate.

Email: hello@wattcost.org

Reporting errors

If you spot an incorrect electricity rate, appliance wattage, EV assumption, fuel price, carbon estimate, or calculation issue, please email us with the correct figure, the source, the country/state/utility if relevant, and the date of the source.

We review correction requests, but we may update, reject, annotate, or defer changes at our discretion. WattCost.org estimates are informational and may not reflect every tariff, tax, fee, appliance model, public charging provider, or local condition.

Legal, privacy, or advertising questions

For privacy, advertising, affiliate, or terms-related questions, please include enough detail for us to understand the issue and the page URL involved.

Response time

We aim to review messages within 5 business days, but response times may vary.