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London Hydro mailing address

To mail a letter to London Hydro, an serving the City of London, Ontario, send it to the correspondence address at London Hydro, 111 Horton Street, P.O. Box 2700, London, ON N6A 4H6. London Hydro is the electricity distribution utility for the City of London, Ontario. This is London Hydro's publicly listed correspondence address — for billing disputes, service requests, account closures, and formal notices. It's not the address utilities use for bill-payment remittance; use the PO Box printed on your own bill for payments. Add your return address if you'd like a reply, and confirm this address on London Hydro's official contact page before anything time-sensitive.

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Mailing address

Verified September 2026

London Hydro — correspondence address

London Hydro
111 Horton Street, P.O. Box 2700
London ON  N6A 4H6

Written correspondence — billing disputes, service requests, account closures, and formal notices. Not the separate address used for bill-payment remittance; use the payment stub or PO Box printed on your own bill for that.

Mail a letter to London Hydro

No printer, envelope, or stamp — we print and mail it the next business day.

Sources

Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.

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Key facts

  • This is London Hydro's correspondence mailing address, taken from the utility's own contact page.
  • London Hydro is an electric utility serving the City of London, Ontario.
  • Use it for letters, disputes, service requests, and formal notices — not for bill payments, which go to a separate PO Box printed on your bill.
  • Include your account number and service address so the utility can find your file.
  • Include your return address and a reference number so the utility can respond.
  • PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.

How to send your letter

  1. 1

    Decide what your letter is for

    Use this address for written correspondence — a billing dispute, a service request, an account closure, or a formal notice. If you're mailing a cheque or payment, use the remittance address printed on your own bill instead; utilities almost always route payments to a separate PO Box.

  2. 2

    Write your letter

    Include your account number, your service address (if different from your mailing address), the outcome you're looking for, and your return address so London Hydro can respond.

  3. 3

    Address it to the correspondence address

    First line: London Hydro. Then the street: 111 Horton Street, P.O. Box 2700. Then the city line: London ON N6A 4H6.

  4. 4

    Send it with PostPal

    Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.

Common questions

What does London Hydro do?

London Hydro is the electricity distribution utility for the City of London, Ontario. It serves the City of London, Ontario. The address above is its correspondence address — the right place for account letters, disputes, and formal notices.

What is London Hydro's mailing address?

London Hydro, 111 Horton Street, P.O. Box 2700, London, ON N6A 4H6. This is London Hydro's publicly listed correspondence address. Confirm it on London Hydro's official contact page before anything time-sensitive — utilities occasionally change offices and PO Boxes.

Can I mail my bill payment to this address?

Not usually. This is a correspondence address for letters, not the payment-processing address most utilities use for mailed cheques. Use the remittance address or PO Box printed on your own bill for payments, and this address for everything else — disputes, service requests, and written notices.

How do I dispute a charge or file a complaint by mail?

Write a clear, dated letter explaining the charge or issue, include your account number and any supporting documents, state what resolution you're asking for, and include your return address. Mailing it creates a dated paper record, which can help if the dispute escalates.

How do I close or transfer my account by mail?

Include your account number, the closing/transfer date, your forwarding address, and a phone number in case London Hydro needs to confirm details. Most utilities also offer this online or by phone, which is often faster if you're on a tight moving deadline — mail is best for a written record or when online/phone options aren't available.

How do I mail London Hydro a letter without a printer?

Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.

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