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Specific Investment Loans

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ESP Specific Investment Loans ESP

Investment loans finance goods, works, and services for projects or sub projects that promote social and economic development. At loan approval, the cost of the project, its design, and technical, financial and economic feasibility have been estimated. Investment loans are dimensioned based on the cost required to achieve the project’s development objectives and they disburse against specific eligible expenditures identified as inputs necessary to achieve the project’s objectives.

Typically used: Enhanced access to water and sanitation services by rehabilitating distribution networks, building storage tanks, and upgrading pumping stations.

Financial Terms

Lending rate: SOFR base rate + IDB Ordinary Capital variable lending spread:

SOFR base rate is USD SOFR daily overnight compounded rate + IDB's funding margin. 

Funding margin for 1st quarter 2026 is 41 bps.

IDB’s Ordinary Capital lending spread - for 2026 is 80 bps.

Fees: Commitment fee 50 bps; applicable on undisbursed loan amount and starts to accrue 60 days after loan contract signature.

Interest and Currency conversion options are available. 
For applicable loan charges and conversion option fees, please refer to www.iadb.org/rates

Flexible repayment options subject to a maximum maturity of 25 years, and maximum Weighted Average Life (WAL) of 15.25 years.

Standard Grace Period: 5.5 years.

Standard amortization schedule (semiannual, straight-line payments), bullet repayment structures, extended grace periods, uneven amortization schedules, and shorter repayment periods are available without additional cost.

Instruments, clauses and options that can be combine with this instrument:

Post-disaster response activities

Immediate Response Facility for Emergencies caused by disasters

(IRF)

Provides rapid financial support for addressing the effects of disasters.
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Risk of investment projects

Partial Credit Guarantees

(PCG)

Provides credit enhancement for loans, bonds, or other debt instruments by covering various risks that could lead to default.
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Sovereign non-performance risks leading to debt default

Political Risk Guarantees

(PRG)

Covers sovereign non-performance risks of contractual obligations that could trigger debt payment default.
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Investments with defined objectives and scopes

Specific Investment Loans

(ESP)

Finances one or more specific projects or subprojects that are wholly defined at the time the IDB's loan is approved.
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Contingent credit line for immediate response after a disaster

Contingent Credit Facility for Natural Disaster and Public Health Emergencies

(CCF)

Provides resources for immediate response after a natural disaster or a public health event of severe catastrophic proportions.
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Results of an existing or new government program

Results-Based Loans

(LBR)

Finance the achievement of results of new or existing Government program. The LBR disburses once results have been achieved.
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Small independent investment projects

Multiple Works Financing

(GOM)

Finance groups of similar, independent and small works with specific characteristics, a sample of which are fully defined.
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Loans to small and medium-size enterprises

Global Credit Financing

(GCR)

Provides financing to enable borrowers to on-lend and/or issue guarantees to support the financing of multi-sector projects.
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Transfer of technical know-how

Reimbursable Technical Cooperation

(TCR)

Transfers technical know-how to strengthen the capacity of entities in developing countries and requires repayment like a regular investment loan.
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Project's preparation and start of activities

Projects Preparation, Execution and Evaluation Facility

(PROPEF)

Finances project's preparation for individual operations under a global line of credit.
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Credit line with a framework for a series of operations

Conditional Credit Line for Integrated Projects

(CCLIP)

Supports a long-term plan that combines funding, policy support, and technical assistance into one coordinated programmatic framework.
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Investment Financing with Deferred Drawdown Option

Investment Financing with Deferred Drawdown Option

(IF-DDO)

Investment loans may include a Deferred- Drawdown Option (DDO) to address catastrophic natural disasters or public heath events.
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Investment Guarantee

Investment Guarantee

(GUA)

SG investment guarantees are operational instruments designed to mobilize private financing by improving financing conditions or generating savings from liability management and catalyze private investment by covering specific risks that investors ar...
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Case studies El Salvador Reducing Urban Vulnerability in San Salvador

The program transformed the lives of 1,727 families in San Salvador’s urban settlements by tackling flood risks, improving water and sanitation access, and fostering social inclusion. Structural investments and community interventions enhanced the safety, health, and living conditions for residents of these settlements.

Impact

The program ensured safer homes and healthier lives for families. 1,727 households were provided with access to clean water and sanitation, reducing illnesses.  Public spaces were revitalized, creating safe areas for children and families. As a result, property values rose by 33%, boosting economic stability. Flood and landslide risks were entirely mitigated, offering lasting resilience.

El Salvador
Households with access to clean water and sanitation 1,727
Precarious urban settlements with reduced flood risk 7
Case studies Ecuador Strengthening Ecuador’s Energy Transmission System

The project strengthened Ecuador's National Transmission System (SNT) by constructing 270 km of transmission lines and expanding substation capacity by 1,796.37 MVA. These investments enhanced energy transmission capacity, supported the country’s growing demand, and improved service reliability for users across the nation.

Impact

The project delivered significant improvements to Ecuador's energy infrastructure, increasing effective transmission capacity by 1,037.58 MVA and meeting an additional 395 MW of energy demand. It expanded the energy network with modernized substations and transmission lines, improving reliability and operational efficiency to support sustainable energy development in the country.

Ecuador
Effective transmission capacity increased 1,037.58 MVA
Additional Energy Demand Met 395 MW
See the full instrument policy Reach your local IDB Office
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