Marathon Petroleum Corp
MPCNYSEPetroleum RefiningFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 3, 2026Score 16/3013% above fair value
$430.39−14.34 (-3.22%)
Close on Nov 2, 2026Market cap $120.86BP/E 14.8Yield 0.87%
Marathon Petroleum West Coast: Refining operating costs by Year
West Coast: Refining operating costs ($/bbl) ($)
Marathon Petroleum West Coast: Refining operating costs: $8.50 in 2025, up 3.8% from a year earlier.
Latest, 2025
8.50
Period ended Dec 31, 2025
Change on a year earlier
+3.8%
8.19 in 2024
History
8 years
Since 2018
Sources
7
Documents cited below
Where the 2025 figure comes from
“MPC-2Q-2026-IR-Packet.xlsx (West Coast Region Data) | FY2025 | Refining operating costs: 8.50”
Source: MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | West Coast: Refining operating costs ($/bbl) ($) | Year on year | Source |
|---|---|---|---|---|
| 2025 | Dec 31, 2025 | 8.50 | +3.8% | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
| 2024 | Dec 31, 2024 | 8.19 | -4.3% | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
| 2023 | Dec 31, 2023 | 8.56 | +6.1% | MPC Investor Relations Data Packet (MPC-4Q-2025-IR-Packet.xlsx) ↗ |
| 2022 | Dec 31, 2022 | 8.07 | +2.3% | MPC Investor Relations Data Packet (MPC-Q4-2024-IR-Packet.xlsx) ↗ |
| 2021 | Dec 31, 2021 | 7.89 | -17.6% | MPC Investor Relations Data Packet (MPC-Q4-2023-IR-Packet.xlsx) ↗ |
| 2020 | Dec 31, 2020 | 9.57 | +16.8% | Marathon Petroleum Form 8-K Item 2.02 Earnings Release (2021 Q4) ↗ |
| 2019 | Dec 31, 2019 | 8.19 | -9.0% | Marathon Petroleum Form 8-K Item 2.02 Earnings Release (2020 Q4) ↗ |
| 2018 | Dec 31, 2018 | 9 | – | Marathon Petroleum Form 8-K Item 2.02 Earnings Release (2019 Q4) ↗ |
Cite this data
StockData. (2026). Marathon Petroleum West Coast: Refining operating costs ($), annual 2018–2025 [Data set]. Compiled from Marathon Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/mpc/kpis/rm-wc-op-cost-per-bbl
See every metric in the Marathon Petroleum KPI table. Data updated Oct 27, 2026.