Intertie Impact Study
An intertie impact study evaluates how a new cross-border or inter-regional transmission project will affect system reliability, congestion, and market economics. Studies assess power flow changes, contingency responses, and coordination requirements between neighboring balancing authorities.
Developers submit project data including converter configurations, protection schemes, and operational protocols. Operators model scenarios covering normal and emergency conditions to determine required upgrades, remedial action schemes, and governance agreements.
Impact studies inform regulatory approvals, cost allocation, and cross-border treaties. They are prerequisites for HVDC links, merchant interconnectors, and large renewable exports.
Investors rely on study outcomes to gauge congestion rent potential, capacity rights, and interconnection timelines.
Technical Details
- •Analyzes steady-state, dynamic, and short-circuit impacts of new interties
- •Evaluates coordination of protection, control, and operating procedures
- •Identifies required upgrades and remedial action schemes
- •Feeds into cross-border agreements and cost allocation
- •Often mandated by TSOs and reliability councils
Why It Matters
Intertie studies determine feasibility and economics of international trading projects. Tera consolidates study results, identified upgrades, and regulatory milestones so stakeholders can track cross-border infrastructure opportunities.
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