Senior Power Supply Analyst

4520 Marathon Petroleum Logistics Services LLC; San Antonio (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Marathon Petroleum Corporation is seeking a Power Supply Analyst to support North America power planning, cost analysis, and market insights for refinery and industrial needs. You will handle large data sets, validate data quality, and help optimize electricity procurement decisions.

The role requires a Bachelor’s degree and 4+ years in electric power or related fields, with strong Excel and data tools skills. Location options include San Antonio, Houston, or Findlay with travel as needed.

Qualifications

• Bachelor's degree in Finance, Accounting, Business, or related discipline.
• Four+ years of experience in electric power or natural gas industry.
• Experience with large datasets, spreadsheets, operational data, or market data preferred.
• Exposure to power procurement, settlements, 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, 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

Power supply planning

Excel

Data analysis

Communication

Power BI

Tableau

SQL

Python

VBA

ERCOT/PJM/MISO/CAISO knowledge

Education

Bachelor's degree in Finance, Accounting, Business

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 PartnershipsFinancial Acumen
• Negotiation
• Problem Solving
• Results Management
• Risk Management
• Self-Starter

Location: San Antonio TX, Houston, TX, Findlay, OH Estimated Travel: 10-15%

This position grade may vary depending on candidate experience. The successful candidate will be placed at a level commensurate with experience and qualifications.

As an energy industry leader, our career opportunities fuel personal and professional growth.

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

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. If you would like more information about your EEO rights as an applicant

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at [e-mail]. Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation.

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.

About Marathon Petroleum Corporation Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.