Interconnection Engineer

Number of employees

140

Washington, DC

Posted on: 2026-07-14

Category: renewables

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Sol Systems is a Washington, D.C.-based renewable energy company that develops, owns, and operates domestic clean energy infrastructure with a focus on solar energy. Founded in 2008, the company has spent over 17 years financing and developing solar projects across the United States, serving a broad range of customers including commercial entities, utilities, and community organizations. Sol Systems also provides clean energy procurement services and manages environmental commodities such as Solar Renewable Energy Credits (SRECs). The company's mission centers on building a just and equitable renewable energy future for America, with particular attention to the positive impact solar projects can have on local communities. Sol Systems has pursued innovative approaches such as agrivoltaics, which integrates solar energy production with agricultural land use, and has developed projects on challenging sites such as former mine lands. Notable partnerships, including one with Google, reflect the company's standing as a trusted leader in the commercial and utility-scale solar sector. With a team of more than 140 employees, Sol Systems distinguishes itself through its long track record, community-oriented development philosophy, and vertically integrated capabilities spanning project development, financing, ownership, and operations. The company publishes industry insights and data through its Sol SOURCE platform, reinforcing its role as a thought leader in the clean energy transition.

The Interconnection Engineer is responsible for managing solar, storage and hybrid projects through the RTO/utility interconnection process through all stages of the project life cycle. This role requires an engineer with experience managing Generation Interconnection projects through multiple utility and RTO interconnection processes. This is a multi-faceted role that offers a lot of growth opportunity to offer strategic direction to a rapidly growing team and renewable pipeline for Sol Systems. The candidate will report to the VP, Transmission Strategy and be an integral member of Development team.

Sol Systems is an Independent Power Producer (IPP) committed to building, owning, and managing clean energy infrastructure that benefits local communities. With GWs of projects across 30 states, Sol integrates energy storage and grid resiliency solutions to deliver reliable, sustainable power to Fortune 500 companies, municipalities, utilities, and schools. Through strategic partnerships and community reinvestment, Sol ensures clean energy development drives long-term economic and environmental benefits. Founded in 2008 and led by its founder, Sol Systems is dedicated to shaping an energy future we can all believe in. 

Key Responsibilities

  • Partner closely with the Development Operations, Enterprise, Engineering, Pre-Construction, Construction, and Asset Management teams to successfully deliver utility-scale generation projects through the interconnection process.
  • Manage Sol's interconnection queue positions, including preparing and maintaining interconnection applications, modeling packages, and supporting documentation while coordinating with utilities and RTOs to satisfy interconnection requirements.
  • Manage external consultants responsible for electrical modeling, interconnection studies, curtailment assessments, and congestion analyses to ensure high-quality, timely deliverables.
  • Serve as the project manager for interconnection activities, driving projects through the interconnection process while supporting greenfield efforts.
  • Support mergers and acquisitions (M&A) activities by evaluating interconnection reports, System Impact Studies, Facilities Studies, and Generator Interconnection Agreements (GIAs) to identify technical risks, schedule impacts, and potential fatal flaws.
  • Develop, or oversee the development of, interconnection request packages, including single-line diagrams, electrical models, and supporting technical documentation for utility-scale solar PV, battery energy storage systems (BESS), and hybrid generation projects.
  • Review utility and RTO interconnection study results, network upgrade requirements, and cost estimates to identify opportunities to reduce project cost, schedule, and execution risk.
  • Lead Generator Interconnection Agreement (GIA) negotiations with utilities and RTOs through execution.
  • Represent Sol in utility and RTO stakeholder meetings, technical working groups, and industry committees, while monitoring regulatory, tariff, and market rule changes that may affect project development and interconnection strategy.
  • Perform market intelligence analysis.

Qualifications

  • Bachelor's degree in Electrical Engineering; concentration in Power Systems strongly preferred.
  • 0–5 years of relevant professional experience following graduation.
  • Professional Engineer (PE) license preferred.
  • Strong understanding of power system fundamentals and analysis.
  • Experience working with one or more North American wholesale electricity markets or RTOs, including PJM, MISO, ERCOT, or SPP, is strongly preferred.
  • Working knowledge of transmission planning studies and industry-standard power system modeling tools such as PSSE and TARA is strongly preferred.
  • Excellent written, verbal, and interpersonal communication skills, with the ability to effectively collaborate across technical and cross-functional teams.

Location: This is a full-time hybrid role based in Sol’s Washington, DC headquarters.  Remote option is not offered this time.

Commitment & Compensation: The base salary for this role is between $95,000 and $130,000 annually, depending on the candidate’s experience, qualifications, and overall fit for the position. In addition, Sol Systems provides health insurance, retirement benefits, partial gym reimbursement, transportation benefits, education benefits, paid vacation and federal holidays, plus the opportunity to work in an entrepreneurial environment.

To Apply:
 Please submit your resume highlighting your most relevant experience for this position. Include "Sol IX" prominently at the top of your resume to indicate that it is being submitted for this opportunity.

Deadline: We hope to hire for this position immediately.

Sol Systems is an equal-opportunity employer, and does not discriminate based on gender, race, ethnicity, orientation, creed, or other trait. Sol Systems supports and encourages candidates of all backgrounds to apply.

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