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Senior Power Supply Analyst

Marathon Petroleum Corporation
San Antonio, United Statesfull_timeVerifiedPosted 24 Jun 2026

About the role

An exciting career awaits you


At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.

Position Summary 

The Power Supply Analyst will support the North America Power team with power supply planning, electricity cost analysis, utility data management, load forecasting, procurement support, settlements review, and market analysis for refinery and industrial power needs. This role is for someone who can work with large datasets, understand operational details, and help the business make better decisions around electricity supply, utility costs, and market exposure. 

Key Responsibilities  

  • Support power supply planning for refinery and industrial electricity needs across North America. 

  • Track facility load, electricity consumption, cogen output, imports, exports, outages, and utility supply needs. 

  • Collect, clean, organize, and validate load data, utility data, ISO/RTO data, market data, and internal operating data. 

  • Assist with load forecasting using historical usage, weather, refinery operating plans, maintenance schedules, and market inputs. 

  • Review electricity bills, tariffs, riders, demand charges, transmission charges, ancillary charges. 

  • Identify unusual charges, billing changes, rate impacts, data gaps, settlement issues, and reduction opportunities. 

  • Maintain recurring reports for electricity cost, facility exposure, load trends, utility charges, and market drivers. 

  • Support power procurement analysis, including fixed price supply, indexed supply, renewable products, demand response, and other supply options. 

  • Track utility rate cases, tariff changes, ISO/RTO developments, regulatory changes, and relevant market events. 

  • Prepare clear summaries that explain what changed, why it matters, and what action may be needed. 

 

Education, Experience and Attributes 

  • Bachelor’s degree in Finance, Accounting, Business, or other related discipline required. 

  • Four(4) or more years of experience in the electric power (regulated or deregulated) and/or natural gas industry required. 

  • Experience in energy, utilities, refining, industrial operations, finance, or analytics is preferred. 

  • Experience working with large datasets, spreadsheets, operational data, or market data is strongly preferred. 

  • Exposure to power procurement, settlements, utility bills, tariffs, rate structures, or energy reporting is a plus. 

  • Familiarity with ERCOT, PJM, MISO, CAISO, or other North American power markets is helpful. 

  • Strong Excel skills, including formulas, pivot tables, lookups, charts, and structur

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Company

Marathon Petroleum Corporation

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