Senior Power Supply Analyst

Marathon Petroleum Corporation

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

Posted 9/18/2026full-timeSan Antonio • Ohio • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in power supply planning, load forecasting, and utility analysis, with strong analytical skills to manage large datasets and identify trends. Proficient in financial analysis related to electricity costs, tariffs, and market dynamics, while effectively collaborating with cross-functional teams.

Highest-signal resume keywords

Power Supply PlanningLoad ForecastingElectricity Cost AnalysisStrong Excel SkillsData Analysis

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Load Data ManagementUtility Data AnalysisMarket Data AnalysisElectricity Bill ReviewPower Procurement Analysis

Soft Skills

Clear Written CommunicationAttention to DetailOrganizational SkillsCollaboration

Tools & Technologies

Power BITableauSQLPythonVBA

Industry Keywords

Electric Power IndustryNatural Gas IndustryEnergy ReportingRegulatory ChangesNorth American Power Markets

Tech Stack

Tools & technologies

PythonSQLTableauVBA

About the role

Key responsibilities & impact

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, and 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 explaining what changed, why it matters, and what action may be needed
Collaborate with commercial, operational, technical, and financial teams

Requirements

What you’ll need

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 structured data tables
Strong analytical skills and ability to identify errors, outliers, trends, and cost changes
Clear written communication with the ability to simplify complex information
High attention to detail, organized, and strong follow-through
Comfortable working with commercial, operational, technical, and financial teams
Experience with Power BI, Tableau, SQL, Python, VBA, or other data tools is a plus
Estimated travel of 10–15%

Benefits

Comp & perks

Health insurance
Vision insurance
Dental insurance
Paid time off
401k matching program
Paid parental leave
Educational reimbursement
Discretionary company-sponsored annual bonus program