Application Guide

How to Apply for Grid Integration Engineer - Battery Storage

at Plus Power

🏢 About Plus Power

Plus Power is a leading developer of standalone battery energy storage systems, dedicated to accelerating the transition to a cleaner, more resilient grid. With a remote-first culture and a focus on cutting-edge technology, they offer a unique opportunity to work on large-scale projects that directly impact renewable energy integration and grid stability.

About This Role

As a Grid Integration Engineer, you will be at the forefront of connecting large-scale battery storage and data center loads to the transmission grid. Your work involves conducting steady-state analyses, developing automation tools, and shaping interconnection strategies that enable Plus Power to bring projects online efficiently and cost-effectively.

💡 A Day in the Life

Your day might start with a team stand-up to discuss ongoing interconnection studies, followed by running TARA simulations for a new data center project. Midday, you'd be writing Python scripts to automate data processing from ISO queue reports, and in the afternoon, you'd present findings to the development team, recommending whether to pursue a project based on upgrade costs and timelines.

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Interview Prep

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🎯 Who Plus Power Is Looking For

  • A power systems engineer with 3+ years of hands-on experience in transmission interconnection studies, using TARA or similar tools like PSS/E or PowerWorld.
  • A Python expert who can automate complex workflows, build data-driven dashboards, and streamline repetitive analysis tasks to improve team efficiency.
  • Someone with a deep understanding of FERC, NERC, and ISO/RTO interconnection processes, queue reforms, and large load integration challenges.
  • A proactive problem-solver who thrives in a fast-paced, remote environment and can manage multiple projects while communicating technical findings to non-technical stakeholders.

📝 Tips for Applying to Plus Power

1

Tailor your resume to highlight specific TARA projects or transmission studies, including details like voltage levels, equipment ratings, and mitigation measures.

2

In your cover letter, mention a Python automation project you led (e.g., automating data extraction or report generation) and quantify the time saved.

3

Research Plus Power's project portfolio and identify a specific market (e.g., ERCOT or CAISO) where you can discuss relevant interconnection challenges.

4

Demonstrate familiarity with large load integration (e.g., data centers) by referencing recent FERC orders or ISO tariff changes in your application.

5

Prepare a concise portfolio or GitHub link showcasing Python scripts for power system analysis (e.g., contingency analysis automation or data visualization).

✉️ What to Emphasize in Your Cover Letter

["Emphasize your experience with TARA or equivalent tools and how you've used them to identify network upgrade risks and mitigation pathways.", 'Highlight your Python skills with concrete examples of automation that improved study turnaround times or data accuracy.', 'Show your understanding of the battery storage industry and the specific grid integration challenges (e.g., ramp rates, voltage support, interconnection queue delays).', "Convey enthusiasm for Plus Power's mission and remote culture, and how your background aligns with their focus on utility-scale storage."]

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • → Review Plus Power's project pipeline and recent press releases to understand their geographic focus and technology partners.
  • → Study FERC Order 2023 and its implications for interconnection queue processing, especially for storage and hybrid projects.
  • → Familiarize yourself with the ISO interconnection processes in key markets like CAISO, ERCOT, PJM, and NYISO, including queue reform updates.
  • → Look into Plus Power's remote work policies, team structure, and tools they use for collaboration (e.g., Slack, Jira, GitHub).

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 Walk me through a transmission interconnection study you conducted using TARA: what were the key findings and how did you present them?
2 Describe a Python automation project you built: what problem did it solve, and what libraries did you use (e.g., pandas, numpy, matplotlib)?
3 How would you prioritize interconnection opportunities across multiple ISOs given limited resources? What screening metrics would you use?
4 Discuss recent FERC Order 2023 or queue reform initiatives: how do they impact Plus Power's project strategy?
5 Explain how you would assess the impact of a large data center load on a 230 kV transmission system. What studies would you perform?
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⚠️ Common Mistakes to Avoid

  • Submitting a generic resume without highlighting specific TARA or Python experience relevant to transmission studies.
  • Overlooking the remote aspect: failing to demonstrate self-motivation, time management, or experience working in distributed teams.
  • Not tailoring the cover letter to the battery storage industry—avoid generic power engineering language without mentioning storage-specific challenges.

📅 Application Timeline

This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.

Typical hiring timeline:

1

Application Review

1-2 weeks

2

Initial Screening

Phone call or written assessment

3

Interviews

1-2 rounds, usually virtual

✓

Offer

Congratulations!

Ready to Apply?

Good luck with your application to Plus Power!

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