# Kenai Refinery

Kenai Refinery, Kenai, AK. 68,000 bpd crude capacity (EIA-820). Crude supply, outlets, events.

- Location: Kenai, AK
- Status: active
- Crude capacity: 68,000 bpd (EIA-820)
- Operator: Tesoro Alaska Company LLC
- Parent: Marathon Petroleum Corporation

## Crude supply
- pipeline: Hilcorp Cook Inlet west-side crude pipeline (to Nikiski) — In Oct 2018 Hilcorp completed a $90M pipeline replacing tanker delivery of Cook Inlet crude to Marathon's Nikiski (Kenai) refinery.
- marine: Kenai Pipe Line Co. Nikiski marine terminal and dock — The Nikiski marine terminal and dock is one of four crude receipt points of Kenai Pipe Line Company named in its 2018 tariff filing. NOAA Coast Pilot 9 lists the wharf for receipt of crude oil, with pipelines to a tank farm of over 916,000 barrels. The refinery is not connected to TAPS. About 90% of its crude was Alaska-sourced in 2021 and crude from outside Alaska was described as relatively infrequent.
- pipeline: Swanson River Oil Pipeline — The interconnection with the Swanson River Oil Pipeline is one of four crude receipt points of Kenai Pipe Line Company named in its 2018 tariff filing with the Regulatory Commission of Alaska.
- pipeline: Middle Ground Shoals Pipeline — The Middle Ground Shoals Pipeline is one of four crude receipt points of Kenai Pipe Line Company named in its 2018 tariff filing. Whether it still delivers is not established.
- truck: Kenai Pipe Line Co. crude truck rack — A truck rack is one of four crude receipt points of Kenai Pipe Line Company named in its 2018 tariff filing. The origin of the trucked crude is not stated.

## Product outlets
- pipeline: Tesoro Alaska Pipeline — Marathon said in April 2025 that it operates a 68-mile common-carrier products pipeline carrying jet fuel, gasoline and diesel to the Port of Anchorage and Anchorage International Airport.
- rail: Rail to Fairbanks / North Pole — Rail starts at Anchorage, not at the refinery. Marathon said in April 2025 that products reaching Anchorage by pipeline are railed from there to the Interior. Destinations given are terminals at Fairbanks International Airport and North Pole.
- truck_rack: Tesoro Alaska - Kenai terminal truck rack (IRS T-92-AK-4505) — The IRS terminal list shows T-92-AK-4505, Tesoro Alaska - Kenai, at 48775 Kenai Spur Hwy, Kenai. Marathon said in April 2025 that wholesale delivery occurs through its terminals in Kenai, the Port of Alaska and North Pole.
- pipeline: Nikiski Terminal (piping from refinery) — The Nikiski Terminal is a bulk petroleum terminal which receives fuel products, such as gasoline, jet fuel and diesel fuel, into storage tanks via piping from the Kenai Refinery. (AK DEC public notice, search snippet)
- pipeline: Kenai Pipe Line Company — A 2012 FERC order records Tesoro's statement that short pipeline spurs carry petroleum products between the refinery and its Nikiski dock.
- marine: Kenai Pipe Line Co. Nikiski Wharf — NOAA Coast Pilot 9 lists the wharf for shipment of petroleum products as well as receipt of crude oil. It is a T-head pier owned and operated by Kenai Pipe Line Co. and Tesoro Alaska Co. Where product cargoes go is not established.

## Recent events
- 2025-02 — Harvest Alaska (a Hilcorp Energy affiliate) acquired Marathon's mothballed Kenai LNG plant next to the refinery, to secure regional gas supply. Harvest Midstream's January 2026 presentation to the Alaska House Energy Committee confirms the purchase and describes the plant as pipeline-connected to the refinery.
- 2021-11 — Marathon Petroleum put the Kenai refinery on the market for potential sale; no completed transaction found in subsequent reporting.
- 2020-12 — Marathon subsidiary Trans-Foreland Pipeline received FERC approval to convert the mothballed Kenai LNG plant from an export facility to a natural-gas import facility, intended to give the adjacent Kenai refinery lower-cost fuel gas for its crude heaters.
- 1995-03 — Tesoro Alaska bought Kenai Pipe Line Company from Chevron. A 2012 FERC order states that all facilities previously owned by Kenai Pipe Line have been owned by Tesoro Alaska since that sale.

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Source: Thinking On Energy Supply Explorer — https://thinkingonenergy.com/supply/refinery/tesoro-alaska-company-llc-kenai-ak/
Built from published FERC pipeline tariffs, EIA-820, the IRS Terminal Control Number list and sourced research. Rates are line-haul only. Cite as: Thinking On Energy, Supply Explorer, 2026-10-19.