Manager​/Sr. Manager Transmission and Interconnection

Role Summary

Grid Stor is looking for a highly motivated and experienced Manager, Transmission and Interconnection
. The successful candidate will play a key role in overseeing and managing projects related to the interconnection of large stand‑alone energy storage systems. This position requires in-depth knowledge of power system planning, project management, and working with various energy industry stakeholders across multiple ISOs. It reports to the Vice President of Transmission and Interconnection and will be based in Portland, OR.

• Interconnection Management, ERCOT and SPP:
  • Lead and manage standalone energy storage interconnection activities across ERCOT and SPP markets.
  • Oversee preparation, submission, and execution of ERCOT interconnection stages (Stages 1, 2, and
    3) and SPP DISIS processes.
  • Coordinate development of interconnection request packages, including application forms, site layouts, technical data, and security postings.
  • Manage consultants and internal stakeholders to ensure timely and high‑quality interconnection deliverables.
  • Provide internal teams with clear schedules, milestones, risks, and expectations throughout the interconnection lifecycle.
• Transmission Planning & Asset Siting:
  • Support greenfield project siting and transmission due diligence activities.
  • Evaluate:
    • Node‑level market and congestion data
    • Substation expandability
    • Transmission availability and constraints
    • Commercial attractiveness
    • Proximity to potential offtake/load centers
  • Utilize transmission planning tools, OASIS/OATI resources, ISO data, and consultant studies to assess project viability and risk.
• Interconnection Study Review & Risk Assessment:
  • Review and analyze interconnection study results and technical reports.
  • Develop clear, easy‑to‑navigate internal summaries highlighting:
    • Project feasibility
    • Network upgrade exposure
    • Cost and schedule impacts
    • Key risks and mitigation strategies
  • Support development teams with decision‑making and project prioritization.
  • Track evolving project risks throughout study and execution phases.
• Technical Compliance & Industry Knowledge:
  • Ensure compliance with applicable grid codes, interconnection requirements, and transmission planning criteria.
  • Stay informed on:
  • ISO/RTO queue reform initiatives
  • Transmission expansion activities
  • Hybrid and storage integration requirements
  • Industry best practices and evolving market rules
• Leadership & Cross‑Functional
  
  Collaboration:
  
  
  • Lead and mentor junior staff and support day‑to‑day team operations.
  • Foster a collaborative and solutions‑oriented work environment.
  • Influence cross‑functional decisions through strong technical knowledge, communication, and stakeholder management.
  • Effectively manage difficult conversations, competing priorities, and conflict resolution with minimal supervision.
• (Sr Manager) Project Due Diligence & M&A Support:
  • Support interconnection due diligence activities for project acquisitions ranging from early‑stage to late‑stage assets.
  • Identify fatal flaws, technical constraints, schedule risks, and transmission‑related commercial impacts.
  • Coordinate with consultants and internal teams to assess upgrade exposure, deliverability risks, and interconnection positioning.
  • Support investment and acquisition decision‑making with technical and commercial analysis.
• (Sr Manager) EPC & Late‑Stage Project Execution Support:
  • Partner closely with EPC, Engineering, Development, and Project Management teams to support successful execution of late‑stage projects.
  • Coordinate with utilities and ISOs regarding project milestones, deliverables, outages, and construction‑related activities.
  • Help resolve technical and schedule‑related issues impacting project execution.
  • Ensure transparent communication and effective translation of technical information for both technical and non‑technical audiences.
• (Sr Manager) Stakeholder Coordination & Industry Engagement:
  • Collaborate with utilities, ISOs/RTOs, consultants, regulatory agencies, and external stakeholders to facilitate project execution and ensure compliance.
  • Represent Grid Stor in:
  • Stakeholder forums
  • Regulatory proceedings
  • ISO/RTO working groups
  • Interconnection policy discussions
  • Track transmission policy developments,…