{ "schemaVersion": 1, "organisationId": "O-48f84a752963488984794d8c7626093e", "slug": "hydro-one", "name": "HYDRO ONE LIMITED", "updatedAt": "2026-09-28T14:32:24.55967Z", "sections": [ { "type": "OVERVIEW", "text": "Hydro One Limited is an Ontario-based electricity utility whose core business is transmitting and distributing electricity. Its transmission network connects local distribution companies and large industrial customers, while its distribution business serves nearly 1.5 million residential and business customers, primarily across rural Ontario. The company’s stated purpose is to “energize life with reliable and sustainable solutions for a brighter future.” [https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf][https://www.hydroone.com/about/corporate-information/our-focus]\n\nHydro One reported revenue of C$8.484 billion in 2024. It became publicly traded on the Toronto Stock Exchange in November 2015. [https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf][https://www.hydroone.com/about]\n[https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf][https://www.hydroone.com/about/corporate-information/our-focus][https://www.hydroone.com/about]", "updatedAt": "2026-09-28T14:32:24.55967Z" }, { "type": "PRODUCTS", "text": "Hydro One’s principal services are electricity transmission and distribution. Its high-voltage transmission network delivers power to local distribution companies and directly connected industrial customers; its lower-voltage distribution network delivers electricity to approximately 1.5 million residential and business customers. The systems comprise roughly 30,000 circuit-kilometres of transmission lines and 126,000 circuit-kilometres of distribution lines. Transmission accounts for about 52% of revenue net of purchased power, distribution for 47%, and other activities for 1%. [https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf]\n\nRelated services include new residential and business electricity connections, service upgrades, temporary disconnections and transmission or generation connections. Hydro One also administers customer energy-saving and bill-assistance programs and provides electricity providers access to distribution poles for broadband deployment; the latter is pole access, not retail internet service. Its subsidiary Acronym Solutions, formerly Hydro One Telecom, offers information and communications technology services, including network connectivity, cloud and operational solutions. [https://www.hydroone.com/request-a-service][https://www.hydroone.com/saving-money-and-energy/residential][https://www.hydroone.com/distribution-joint-use/broadband][https://www.hydroone.com/about/corporate-information/subsidiaries][https://acronymsolutions.com/about/who-is-acronym/]\n[https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf][https://www.hydroone.com/request-a-service][https://www.hydroone.com/saving-money-and-energy/residential][https://www.hydroone.com/distribution-joint-use/broadband][https://www.hydroone.com/about/corporate-information/subsidiaries][https://acronymsolutions.com/about/who-is-acronym/]", "updatedAt": "2026-09-28T14:32:24.55967Z" }, { "type": "GEOGRAPHY", "text": "Hydro One Limited is headquartered in Toronto, Ontario, and its electricity transmission and distribution operations are concentrated in Ontario. Its distribution network serves approximately 1.5 million residential and business customers, primarily in rural areas, across a service territory covering about 75% of the province’s geographic area. [https://www.sec.gov/Archives/edgar/data/1712356/000171235625000012/ck0001114445-20241231_d2.htm][https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf]\n[https://www.sec.gov/Archives/edgar/data/1712356/000171235625000012/ck0001114445-20241231_d2.htm][https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf]", "updatedAt": "2026-09-28T14:32:24.55967Z" }, { "type": "SEGMENTS", "text": "Hydro One reports three business segments: Transmission, Distribution and Other. Transmission covers its electricity transmission business, while Distribution covers its electricity distribution business. Other captures activities reported outside those two principal segments. [P134659588]\n\nBased on reported 2023 revenue, Distribution accounted for approximately 71% of the total (C$5,582 million), Transmission for 28% (C$2,214 million), and Other for less than 1% (C$48 million). These percentages use reported revenue rather than revenue net of purchased power. [P134659564]\n[P134659588][P134659564]", "updatedAt": "2026-09-28T14:32:24.55967Z" }, { "type": "HISTORY", "text": "Hydro One traces its origins to the restructuring of Ontario Hydro under Ontario’s Electricity Act, 1998. On April 1, 1999, Ontario Hydro’s assets were transferred to successor entities, including Hydro One Inc. [https://www.ontario.ca/land-registration/99006-electricity-act-1998-and-transfer-ontario-hydro-assets]\n\nHydro One Limited was incorporated in August 2015 as the parent company for a public share offering. Its initial public offering closed that November, beginning a phased reduction in the Province of Ontario’s ownership; the province completed its final planned share offering in May 2017. [https://www.hydroone.com/abouthydroone/CorporateInformation/Documents/HOL%20-%202015-08-31%20Incorporation.pdf][https://news.ontario.ca/en/release/34753/hydro-one-initial-public-offering-closes][https://news.ontario.ca/en/release/44795/ontario-raises-28-billion-from-final-hydro-one-share-offering] During this period, Hydro One expanded its transmission business through its 2016 acquisition of Great Lakes Power Transmission. [https://hydroone.mediaroom.com/2016-01-29-Hydro-One-to-Acquire-the-Great-Lakes-Power-Electricity-Transmission-Business-from-Brookfield-Infrastructure][https://www.newswire.ca/news-releases/hydro-one-concludes-regulatory-approval-process-for-acquisition-of-great-lakes-power-transmission-business-597003511.html]\n[https://www.ontario.ca/land-registration/99006-electricity-act-1998-and-transfer-ontario-hydro-assets][https://www.hydroone.com/abouthydroone/CorporateInformation/Documents/HOL%20-%202015-08-31%20Incorporation.pdf][https://news.ontario.ca/en/release/34753/hydro-one-initial-public-offering-closes][https://news.ontario.ca/en/release/44795/ontario-raises-28-billion-from-final-hydro-one-share-offering][https://hydroone.mediaroom.com/2016-01-29-Hydro-One-to-Acquire-the-Great-Lakes-Power-Electricity-Transmission-Business-from-Brookfield-Infrastructure][https://www.newswire.ca/news-releases/hydro-one-concludes-regulatory-approval-process-for-acquisition-of-great-lakes-power-transmission-business-597003511.html]", "updatedAt": "2026-09-28T14:32:24.55967Z" } ], "sources": [ { "id": "https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf", "href": "https://www.hydroone.com/investorrelations/Documents/eventsandpresentations/Hydro%20One%204Q24%20Fact%20Sheet.pdf", "label": "www.hydroone.com" }, { "id": "https://www.hydroone.com/about/corporate-information/our-focus", "href": "https://www.hydroone.com/about/corporate-information/our-focus", "label": "www.hydroone.com" }, { "id": "https://www.hydroone.com/about", "href": "https://www.hydroone.com/about", "label": "www.hydroone.com" }, { "id": "https://www.hydroone.com/request-a-service", "href": "https://www.hydroone.com/request-a-service", "label": "www.hydroone.com" }, { "id": "https://www.hydroone.com/saving-money-and-energy/residential", "href": "https://www.hydroone.com/saving-money-and-energy/residential", "label": "www.hydroone.com" }, { "id": "https://www.hydroone.com/distribution-joint-use/broadband", "href": "https://www.hydroone.com/distribution-joint-use/broadband", "label": "www.hydroone.com" }, { "id": "https://www.hydroone.com/about/corporate-information/subsidiaries", "href": "https://www.hydroone.com/about/corporate-information/subsidiaries", "label": "www.hydroone.com" }, { "id": "https://acronymsolutions.com/about/who-is-acronym/", "href": "https://acronymsolutions.com/about/who-is-acronym/", "label": "acronymsolutions.com" }, { "id": "https://www.sec.gov/Archives/edgar/data/1712356/000171235625000012/ck0001114445-20241231_d2.htm", "href": "https://www.sec.gov/Archives/edgar/data/1712356/000171235625000012/ck0001114445-20241231_d2.htm", "label": "www.sec.gov" }, { "id": "P134659588", "href": "https://app.finbar.com/go?id=P134659588", "label": "HYDRO ONE LIMITED — Presentation (2024 Q 1), p4", "documentId": "D-25521e7aa9164e8db49dd23db744dc1d", "page": 4 }, { "id": "P134659564", "href": "https://app.finbar.com/go?id=P134659564", "label": "HYDRO ONE LIMITED — Presentation (2024 Q 1), p2", "documentId": "D-25521e7aa9164e8db49dd23db744dc1d", "page": 2 }, { "id": "https://www.ontario.ca/land-registration/99006-electricity-act-1998-and-transfer-ontario-hydro-assets", "href": "https://www.ontario.ca/land-registration/99006-electricity-act-1998-and-transfer-ontario-hydro-assets", "label": "www.ontario.ca" }, { "id": "https://www.hydroone.com/abouthydroone/CorporateInformation/Documents/HOL%20-%202015-08-31%20Incorporation.pdf", "href": "https://www.hydroone.com/abouthydroone/CorporateInformation/Documents/HOL%20-%202015-08-31%20Incorporation.pdf", "label": "www.hydroone.com" }, { "id": "https://news.ontario.ca/en/release/34753/hydro-one-initial-public-offering-closes", "href": "https://news.ontario.ca/en/release/34753/hydro-one-initial-public-offering-closes", "label": "news.ontario.ca" }, { "id": "https://news.ontario.ca/en/release/44795/ontario-raises-28-billion-from-final-hydro-one-share-offering", "href": "https://news.ontario.ca/en/release/44795/ontario-raises-28-billion-from-final-hydro-one-share-offering", "label": "news.ontario.ca" }, { "id": "https://hydroone.mediaroom.com/2016-01-29-Hydro-One-to-Acquire-the-Great-Lakes-Power-Electricity-Transmission-Business-from-Brookfield-Infrastructure", "href": "https://hydroone.mediaroom.com/2016-01-29-Hydro-One-to-Acquire-the-Great-Lakes-Power-Electricity-Transmission-Business-from-Brookfield-Infrastructure", "label": "hydroone.mediaroom.com" }, { "id": "https://www.newswire.ca/news-releases/hydro-one-concludes-regulatory-approval-process-for-acquisition-of-great-lakes-power-transmission-business-597003511.html", "href": "https://www.newswire.ca/news-releases/hydro-one-concludes-regulatory-approval-process-for-acquisition-of-great-lakes-power-transmission-business-597003511.html", "label": "www.newswire.ca" } ] }