Skip to content

2026 Customer Satisfaction Survey

Planned Transmission Work

Learn how customers can help reduce the risk of service interruptions

April is Dig Safe Month: Remember to click before you dig!

Request a locate.

Protect yourself from electricity and energy scams.

Learn More

You can now choose the pricing option that is best for you.

Learn more or request a change

Visit AccountOnline to view your energy use, billing and payment history and more.

Learn more about AccountOnline

Moving? Let us know with our easy-to-use online forms.

View Online Move Forms

COVID-19 Updates

View Website

There's help for lower-income households

View Website

Delivering Value to Customers

View Website
Twitter

@HHHydro

6 hours ago – Reminder: Sept. 26 from 9 p.m. to 9 a.m., Hydro One will complete overnight transmission work that may temporarily… https://t.co/ikNjNWrowK

@HHHydro

8 hours ago – **Notice: PLANNED POWER OUTAGE: This outage is for our crews to upgrade existing infrastructure ** Date: Wednesday… https://t.co/fQPM5olbes

Follow Us

Newsroom

2026 Customer Satisfaction Survey

September 3, 2026

Please let us know how we’re doing – it really does make a difference! Halton Hills Hydro is currently conducting a Customer Satisfaction survey to gather feedback on topics such as customer communications, service satisfaction,…

Potential Electricity Supply Interruption Notice

September 2, 2026

Saturday September 26 from 9 pm to 9 am Hydro One will be completing planned transmission work related to the Highway 413 project on Saturday September 26 from 9 pm to 9 am.  During this…

April is Dig Safe Month: Remember to click before you dig!

April 8, 2026

April is Dig Safe Month, a time to raise awareness about preventing underground utility damage. Ontario sees more than 3,900 damages to underground infrastructure every year, averaging about 17 incidents each workday. Many of these…
View Newsroom

Contact Halton Hills Hydro

Emergencies & Outages
519-853-3701

Customer Service
519-853-3701 or 905-453-2222

Administration
519-853-3700

Fax
519-853-2621

Customer Service
inquiries@haltonhillshydro.com

Close