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National Renewable Energy Laboratory

National Renewable Energy Laboratory

via Remote Rocketship

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Capacity Expansion Model Developer

Anywhere
Full-time
Posted 2/16/2026
Verified Source
Key Skills:
Power systems modeling
Optimization modeling
Python
GAMS
Julia

Compensation

Salary Range

$90K - 130K a year

Responsibilities

Develop software tools and frameworks for large scale electric system capacity expansion and transmission network design automation.

Requirements

Requires advanced degree and experience in power systems modeling, optimization programming, and project leadership.

Full Description

Job Description: • Collect the required data and develop fundamental methods and software tools and interfaces required to support large scale electric system capacity expansion. • Develop the generalized frameworks to link capacity expansion models (CEM), such as GenX and ReEDS, and production cost models (PCM), such as Sienna\Ops. • Develop automated workflows to estimate maximum power flow transfer constraints between any arbitrary set of aggregated spatial regions (or 'zones'). • Work towards automating transmission network designs to enable generation interconnections and transmission capacity augmentations consistent with results from CEMs and develop methods for automated downscaling of zonal CEM results to a nodal PCM for further reliability analysis. Requirements: • Relevant PhD. • Or, relevant Master's Degree and 3 or more years of experience. • Or, relevant Bachelor's Degree and 5 or more years of experience. • Demonstrates broad understanding and wide application of engineering technical procedures, principles, theories and concepts in the field. • General knowledge of other related disciplines. • Demonstrates leadership in one or more areas of team, task or project lead responsibilities. • Demonstrated experience in management of projects. • Very good writing, interpersonal and communication skills. • Domain knowledge of bulk power system modeling, such as capacity expansion, resource adequacy, and/or production cost modeling. • Demonstrated understanding of power systems and power flow modeling fundamentals. • Demonstrated experience in optimization modeling, including proficiency with a programming language such as GAMS, Python, and/or Julia. • Experience with working with large data sets. • An interest in power system issues. • Strong written and oral communication and interpersonal skills. • Ability to work independently and in team settings. • Preferred bulk power system domain knowledge about investment/planning processes, grid operations, markets, regulatory processes, etc. • Experience with software engineering practices, including version control systems, automated testing frameworks, and continuous integration pipelines. • Deep familiarity with using and developing Sienna for power systems modeling. Benefits: • medical, dental, and vision insurance • short- and long-term disability insurance • pension benefits • 403(b) Employee Savings Plan with employer match • life and accidental death and dismemberment (AD&D) insurance • personal time off (PTO) and sick leave • paid holidays • tuition reimbursement

This job posting was last updated on 2/23/2026

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