2025 Summer Internship

Who We Are

Spearmint Energy (“Spearmint”) is a next-generation renewable energy company enabling the clean energy revolution through developing and installing battery energy storage systems (BESS). Spearmint currently operates one of the world's largest batteries, a 150MW/300 MWh BESS project located in West Texas, and is also developing over 20 projects, totaling over 10 GWh of capacity, across 11+ states in 5 regions of the United States. Headquartered in Miami, Florida and with offices in Eden Prairie neighborhood of Minneapolis, Minnesota, Spearmint is comprised of over 60 seasoned industry professionals across development and corporate functions with the goal of becoming the preeminent green merchant energy company.

Spearmint develops, owns, operates, and optimizes large-scale battery energy storage systems with the aim of reducing grid volatility, increasing system resiliency, and helping minimize carbon emissions in a responsible and efficient way.

What You Will Do

Spearmint Energy is seeking rising seniors for our Summer 2025 Intern program to support various sectors of our business. Spearmint interns have several functional areas available from including Sustainability & Corporate Communications, Regulatory, Quantitative Optimization, Fundamental Research, Finance, and different areas within Project Development. Interns may assist in monitoring regulatory changes, analyzing energy market conditions, trading in the power market, evaluating project sustainability, ethical impact, and sourcing potential assets; all while learning and overseeing how we develop utility-scale battery energy storage facilities across the county.

Intern roles will include creating presentations, analyzing spreadsheets, and assisting with specific team needs. Interested candidates must have an interest in sustainability, renewable energy or finance, and with knowledge of the climate change industry.

Possible Areas of Responsibility: 

• Complete analysis of interconnection queues to identify projects for acquisition.
• Complete desktop screening of potential project areas for greenfield development.
• Create a standardized process and deliverables for site screening.

• Read and interpret technical documentation related to lithium-ion battery system design and performance
• Maintain the Technology Team’s battery technical repository

• High interest in emissions calculations
• Good grasp of quantitative topics and written communication
• Comfortable dealing with and analyzing large data sets and complex topics
  

• Monitor and track issues in relevant state legislatures, state utility commissions and RTO/ISOs
• Help prepare and organize updates for weekly team meetings

• Analyze electricity market data using Python
• Contribute to machine learning models for electricity price forecasting
• Contribute to simulation of energy storage systems

• Learn to assess market conditions utilizing a variety of inputs
• Analyze real-time trading data

Who You Are

• Must be a highly personable self-starter
• Detail oriented & strong analytical and communication skills
• Strong project management skills to maintain progress on multiple ongoing projects
• Ability to prioritize tasks and juggle competing deadlines effectively
• Openness to receive constructive feedback
• Exposure to and understanding of the renewable energy industry is a plus

Work Environment and Physical Demands

The work environment and physical demand characteristics align with the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions if such a professional is selected. While the company’s offices follow traditional business hours, given the nature of Spearmint Energy’s business and the sector in which we operate, employees, including this position, may occasionally be required to conduct work outside of these hours as is typical in a client-first business. Such work may include communicating with contacts in other time zones, traveling, addressing particularly urgent matters related to projects under construction or in operations, and other circumstances.