Vice President, Transmission

Flatiron Energy, a Hull Street Energy portfolio company, is focused on developing, building, and operating standalone energy storage assets in New York, New England, and the Mid-Atlantic that integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability. Created by a team of experienced energy storage veterans, Flatiron Energy is creating the critical infrastructure needed to achieve electric reliability and meet climate goals. The leadership team has deep experience developing, structuring, financing, and owning and operating energy storage assets in wholesale markets.

Flatiron Energy is a growing company with a dynamic, fast-paced, creative, and dedicated culture. The right candidate will be excited to help advance the company and improve Development team operations. The Flatiron team is also passionate about ensuring that projects have an equitable impact on surrounding communities. Flatiron is looking for candidates who resonate with the company mission.

Flatiron Energy is seeking a highly experienced and commercially driven Vice President of Transmission to lead the company’s interconnection strategy and function across Flatiron’s utility-scale standalone battery storage portfolio. This executive will oversee all transmission planning and interconnection activities across ISO-NE, NYISO, and PJM. The role will directly manage a growing transmission and interconnection team, including two senior transmission managers, and serve as a key strategic partner to Development, Commercial, Operations, Finance, and Executive Leadership. The ideal candidate brings deep technical expertise, strong commercial instincts, proven leadership capability, and extensive experience navigating and negotiating complex interconnection and transmission processes for transmission-connected energy storage and renewable energy projects.

Key Responsibilities:

Leadership & Strategy

Lead Flatiron’s transmission function across all development markets and projects.

Develop and execute portfolio-wide interconnection and transmission strategies that maximize project value, reduce schedule risk, and improve probability of successful commercialization.

Manage, mentor, and develop a high-performing team of transmission professionals.

Serve as a senior internal advisor to Executive Leadership on transmission constraints, queue positioning, congestion dynamics, deliverability, upgrade exposure, interconnection refundability, and evolving market rules.

Support corporate growth initiatives, including greenfield development, acquisitions, joint ventures, and market expansion.

Interconnection Management

Oversee all aspects of the interconnection lifecycle across PJM, NYISO, and ISO-NE, including application strategy, feasibility assessments, system impact studies, facilities studies, cost allocation, milestone compliance, and queue management.

Understand interconnection processes, timelines, and tariff structures across Flatiron’s core markets (e.g. PJM, NYISO, ISO‑NE), and advise on optimal connection strategy using queue and hosting capacity data.

Direct engagement with ISOs/RTOs, transmission owners, utilities, consultants, and regulatory stakeholders to advance projects efficiently and proactively resolve issues.

Drive strategy around withdrawal risk, cluster study exposure, restudies, and transmission upgrade mitigation.

Evaluate and optimize points of interconnection, queue positioning, deliverability pathways, and commercial transmission opportunities.

Lead negotiations related to interconnection agreements, study assumptions, transmission service, and related commercial arrangements.

Manage the portfolio of interconnection studies and application milestones; maintain timelines, reporting, and stakeholder coordination.

Provide interconnection expertise to interconnection managers during project due diligence, financing, and hand-off to execution teams.

Technical & Analytical Oversight

Provide technical leadership on transmission planning, power flow analysis, dynamic modeling, and system reliability considerations affecting standalone BESS projects.

Oversee internal and third-party technical studies, including thermal, stability, short-circuit, PSCAD, EMT, and production cost modeling analyses.

Utilize queue data, hosting capacity analysis, congestion trends, and transmission expansion plans to guide site selection and portfolio prioritization.

Cross-Functional Execution

Partner closely with Development, Finance, Commercial, and Operations teams to ensure seamless transition from development through execution.

Support permitting, procurement, financing, and commercial contracting processes with transmission and interconnection expertise.

Establish scalable internal processes, reporting frameworks, and portfolio management tools to support rapid company growth.

Monitor and influence regulatory and market developments affecting transmission planning, interconnection reform, storage participation, and grid modernization.

Key Qualifications

Bachelor’s degree in Electrical Engineering or related technical field required; Master’s or post-doctorate degree preferred.

+12 years of progressive experience in transmission planning, interconnection, or power systems engineering within utility-scale renewable energy, energy storage, utility, ISO/RTO, consulting, or infrastructure development environments.

Significant experience leading interconnection strategy for transmission-connected standalone battery energy storage projects.

Deep expertise in PJM, NYISO, and/or ISO-NE interconnection processes, tariffs, market rules, and transmission planning frameworks.

Strong technical foundation in power systems engineering, including load flow analysis, dynamic studies, short-circuit analysis, protection systems, and grid integration standards.

Familiarity with industry tools such as PSSE, PSLF, TARA, ASPEN, PSCAD, PowerWorld, or equivalent transmission modeling software.

Demonstrated leadership experience managing teams, consultants, and complex multi-project development portfolios.

Strong commercial acumen and ability to translate technical transmission risks into actionable business decisions.

Proven ability to operate effectively in fast-paced, entrepreneurial environments with evolving priorities.

Exceptional communication, stakeholder management, negotiation, and presentation skills.

Preferred Experience

Experience supporting project finance, tax equity, or acquisition diligence processes.

Existing relationships with ISOs/RTOs, transmission owners, utilities, and key industry stakeholders.

Experience with transmission congestion analysis, deliverability assessments, and nodal market dynamics.

Familiarity with FERC transmission and interconnection reform initiatives.

PE license is a plus but not required.

Compensation and Location:

Job Type: Permanent, Full-time

Salary: Competitive base salary commensurate with experience

Bonus: Competitive bonus based on the achievement of development milestones and performance.

Benefits: Flatiron offers an excellent benefit package with excellent health care, dental, vision, and other health and wellness benefits.

Location: Ability to work in the United States is a requirement. Prefer candidate to be based in New York City, Boston or Denver. However, location of workplace is flexible provided candidate can travel as required.