Technical feasibility study, conceptual engineering design and valuation for the 500 kV electrical interconnection between Peru (S.E. Montalvo) and Chile (S.E. Kimal). Evaluation horizon 2032-2052

Description

The Inter-American Development Bank (IDB) is calling for consulting firms specialized in high-voltage transmission systems to carry out the technical feasibility study and conceptual engineering design of the 500 kV binational electrical interconnection between Peru (Montalvo Substation) and Chile (Kimal Substation). The project seeks to define the optimal technology for a long-term operational horizon (2032-2052) under technical, economic, environmental and social criteria.

1. Binational Design Criteria and Network Modeling
Regulatory Harmonization: Review and validate the background of the Andean Electrical Interconnection System (SINEA) to establish unified design criteria that comply with the current regulations of both countries.

Model integration: Consolidate electrical databases and models into a common simulation tool, projecting operational stress scenarios with high penetration of renewable energies, hydrological variability and demand peaks for the 2032, 2042 and 2052 horizons.

2. Electrical analysis in permanent and dynamic regime
Structural Performance: Assess Total Transfer Capacity (TTC), perform severe contingency analyses (N-1 and N-k), and identify the necessary internal reinforcements in each country's network.

Weak networks: Determine short-circuit levels and calculate SCR (Short Circuit Ratio) and ESCR (Effective Short Circuit Ratio) short-circuit ratios to ensure stability under low-inertia conditions.

Dynamic stability: Analyze the behavior of the link in the face of severe disturbances, including angular stability, frequency stability and subsynchronous interactions, evaluating voltage phenomena such as FIDVR (Fault Induced Delayed Voltage Recovery) and TOV (Transient Overvoltage).

Systemic protection: Design the Systemic Protection Schemes (SIPS) necessary to safeguard the operational integrity of both interconnected electrical systems.

3. Conceptual Engineering and Technology Selection (HVDC)
Conversion Technology Evaluation: Determine the optimal technology solution by comparing line-switched converters (LCCs) and voltage source converters (VSCs), prioritizing attributes such as frequency/voltage support and black start.

Technical Preliminary Project: Define the configuration of the high-voltage direct current (HVDC) link, the geographical layout of the transmission lines (under strict environmental and social criteria), the design of the converter stations and the reactive compensation requirements.

4. AACE Standard Economic Valuation
Class 3 Cost Estimation: Develop the investment budget in accordance with the AACE International standard, accurately estimating the CAPEX and OPEX of the project for its minimum useful life cycle of 20 years.

Financial disaggregation: Differentiate in an explicit and detailed manner the costs associated with shared binational infrastructure from those corresponding to internal reinforcement works within the borders of each country.

Note: Interested companies should review the requirements on the BEO Bidder Portal.