Senior Power Supply Analyst

Marathon Petroleum Corporation; San Antonio (TX); On-site; USD 95,000 - 120,000; Full time

Job summary

Marathon Petroleum Corporation is seeking a Power Supply Analyst to join the North America Power team in San Antonio, TX. The role focuses on power supply planning, cost analysis, and market insights to optimize electricity usage for refineries and industrial operations.

The ideal candidate will have a strong background in energy data analysis, large datasets, and Excel, with experience in load forecasting and procurement support.

Qualifications

• Bachelor’s degree in Finance, Accounting, Business, or related discipline.
• 4+ years in electric power (regulated or deregulated) and/or natural gas industry.
• Experience with energy, utilities, refining, industrial operations, finance, or analytics is preferred.
• Experience 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.

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.

Skills

Data analysis

Excel

Written communication

Analytical thinking

Attention to detail

Cross-functional collaboration

Problem solving

Education

Bachelor’s degree in Finance, Accounting, Business, or related discipline

Tools

Power BI

Tableau

SQL

Python

VBA

Job description

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 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.

Skills

• Accountability
• Adaptability
• Business Acumen
• Change Facilitation
• Critical Thinking
• Decision Making
• Developing Partnerships
• Financial Acumen
• Negotiation
• Problem Solving
• Results Management
• Risk Management
• Self-Starter

Location: San Antonio TX, Houston, TX, Findlay, OH

Estimated Travel: 10-15%

Location:
San Antonio, Texas
Additional locations:
Findlay, Ohio, Houston, Texas

Job Requisition ID:
00022664

Location Address:
19100 Ridgewood Pkwy

Education:
Bachelors (Required)

Employee Group:
Full time

Employee Subgroup:
Regular

Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws.

Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at https://mympcbenefits.com.The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.

Equal Opportunity Employer: Veteran / Disability

We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.