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Tidewater Midstream and Infrastructure Ltd. is a Canadian company focused on the gathering, processing, and transportation of natural gas and natural gas liquids (NGLs), as well as liquids upgrading, storage, and marketing in Western Canada. Its key assets include integrated gas processing plants like the Pipestone Gas Plant, Brazeau River Complex (BRC), and Ram River Gas Plant, along with related pipeline infrastructure. Tidewater provides essential services to energy producers, connecting their raw production to end markets. In January 2024, Tidewater was acquired by AltaGas Ltd. and now operates as a wholly-owned subsidiary, integrating its assets and operations within AltaGas's broader midstream portfolio.
Historically served as the central hub for corporate management, strategic planning, financial operations, and engineering oversight for Tidewater's midstream assets. Post-acquisition, these functions are integrated within AltaGas's corporate framework.
Standard corporate office facilities located in Calgary's downtown energy district. AltaGas's headquarters, where operations are now centered, are modern office spaces designed for collaboration.
Historically emphasized operational excellence, safety, and an entrepreneurial spirit. As part of AltaGas, the culture aligns with a larger, diversified energy infrastructure company, focusing on safety, reliability, customer service, and sustainability.
Calgary is a critical center for Canada's oil and gas industry, providing access to talent, financial markets, and industry partners. Integration with AltaGas enhances its strategic position within this hub.
Tidewater Midstream's operations are concentrated in Western Canada, specifically within Alberta and British Columbia. The company owns and operates a network of natural gas processing plants, NGL fractionation facilities, pipelines, storage solutions, and terminals. These assets primarily support the Canadian energy industry. Through its acquisition by AltaGas Ltd., these operations are now part of a larger North American energy infrastructure portfolio that includes assets in Canada and the United States, managed under AltaGas.
Suite 900, 250 – 6th Avenue SW (Historic Tidewater HQ; operations now integrated with AltaGas Ltd. at 1700, 355 4 Ave SW)
Calgary
Alberta
Canada
Address: Operational site near Grande Prairie, Alberta (Specific plant address not for public listing)
Core processing hub for rich natural gas, critical for extracting NGLs and sending processed gas to market. Key asset in the AltaGas midstream portfolio.
Address: Operational site near Drayton Valley, Alberta (Specific plant address not for public listing)
Provides essential gas processing and NGL extraction services, connected to key NGL takeaway infrastructure. A major operational hub for Tidewater's (now AltaGas's) midstream services.
Address: Operational site near Rocky Mountain House, Alberta (Specific plant address not for public listing)
Specialized processing capabilities for sour gas, contributing to regional energy infrastructure and environmental management through sulphur recovery.
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As of April 2025, Tidewater Midstream and Infrastructure Ltd.' leadership includes:
Tidewater Midstream and Infrastructure Ltd. has been backed by several prominent investors over the years, including:
Following the acquisition by AltaGas Ltd. in early 2024, leadership of Tidewater's assets transitioned to AltaGas's executive team. Joel MacLeod, the former President and CEO of Tidewater Midstream, departed the company. The acquired assets are now primarily managed under AltaGas's Midstream division.
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While historically Tidewater Midstream used its own email domain (`@tidewatermidstream.com`), following the acquisition by AltaGas Ltd., communications will increasingly transition to AltaGas email formats (e.g., `@altagas.ca`). Common corporate email patterns generally involve combinations of first name and last name.
Historically: `flast@tidewatermidstream.com` (e.g., jdoe@tidewatermidstream.com) or `first.last@tidewatermidstream.com` (e.g., jane.doe@tidewatermidstream.com). Current/Future: Likely aligns with AltaGas formats such as `firstinitiallastname@altagas.ca` or `firstname.lastname@altagas.ca`.
Format
jsmith@tidewatermidstream.com (historic example pattern)
Example
70%
Success rate
AltaGas Ltd. Newsroom • January 5, 2024
AltaGas Ltd. announced the successful completion of its acquisition of Tidewater Midstream and Infrastructure Ltd. This strategic acquisition significantly enhances AltaGas's midstream business in Western Canada, adding premier natural gas processing plants and related infrastructure....more
AltaGas Ltd. Newsroom • October 4, 2023
AltaGas Ltd. announced it had entered into a definitive agreement to acquire Tidewater Midstream and Infrastructure Ltd. for a total consideration of approximately $650 million (including debt). The acquisition was highlighted as a move to expand AltaGas's NGL and natural gas infrastructure in Western Canada....more
Yahoo Finance / Business Wire • February 29, 2024
AltaGas reported its financial results, noting the positive impact and integration progress of the Tidewater Midstream acquisition. The company highlighted the strategic fit of Tidewater's assets within its midstream segment and increased financial guidance for 2024 partly due to the acquisition....more
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