- Source: Hardisty, Alberta, Canada
- Destination: Cushing, Oklahoma, USA
- Ownership: TransCanada
- Website: http://www.transcanada.com/
- Length: 3,461 kilometre (2,151 mile)
- Capacity: 500,000 barrels of oil per day
- Crude Type: Heavy Canadian crude oil
- The Keystone Pipeline System is an operational 3,461 kilometre (2,151 mile) pipeline that is delivering over 500,000 barrels per day of Canadian crude oil to U.S. Midwest markets and Cushing, Oklahoma.
- In Canada, the first phase of Keystone involved the conversion of approximately 864 kilometres (537 miles) of the Transcanada Canadian Mainline Gas Pipeline in Saskatchewan and Manitoba to crude oil pipeline service. It also included approximately 373 kilometres (232 miles) of new 30-inch diameter pipeline, 16 pump stations and the Keystone Hardisty Terminal.
- The U.S. portion of the Keystone Pipeline included 1,744 kilometres (1,084 miles) of new, 30-inch diameter pipeline in North Dakota, South Dakota, Nebraska, Kansas, Missouri and Illinois. It also involved construction of 23 pump stations and delivery facilities at Wood River and Patoka, Illinois.
- The second phase of Keystone includes a 480 kilometre (298 mile) extension from Steele City, Nebraska to Cushing, Oklahoma and 11 new pump stations which will increase the capacity of the pipeline from 435,000 barrels per day to 591,000 barrels per day.
- The pipeline has been in operation since 2010
- Phase two entered operations in February 2011
- The system is to be expanded with the construction of the Keystone XL Pipeline Project
- 2005 - Binding open season commences
- 2007 - NEB approves the transfer of gas pipelines from Transcanada to Keystone
- 2007 - NEB approves the Canadian portion of the pipeline
- 2008 - NEB approves the expansion of the Canadian portion of the pipeline
- 2008 - The project recieves US Federal Environmental approval
- 2009 - Transcanada bought out Conocophillips
- 2010 - The 1st phase of Keystone begins commercial operations
- 2011 - The link to Cushing was completed
- The project was originally a joint venture with Conocophillips. Transcanada bought their partner out in 2009
- Binding Open Season begins on proposed Keystone oil pipeline
- National Energy Board approves TransCanada - Keystone Facilities Transfer
- NEB Approves Keystone Pipeline Project
- Keystone Oil Pipeline achieves key milestone in U.S. Final federal environmental impact assessment issued
- NEB approves Keystone Cushing Expansion Project
- TransCanada to Become Sole Owner of the Keystone Pipeline System
- Keystone Pipeline Starts Deliveries to U.S. Midwest
- Keystone's Cushing Extension Begins Deliveries to Oklahoma
- TransCanada Launches Binding Open Season for Keystone Hardisty Terminal