MHP Malacatoya

From energypedia


Name of the site: Malacatoya
Country: Nicaragua (GPS Coordinates: ?)
Turbine Type: Pelton
Power Output: 13 kW
Project Status: in operation
Comments: -

Operation Data

Gross Head: 200m
Net/Design Head: 200m24m
Flow (design flow): 20 l/s
Comments on flow variation during the year: Problems with flow during dry season.

Technical Information


Civil Works and Penstock

Dam construction material: ConcreteConcrete
Dam Dimensions: 12m x 2m x 0.55m
Storage Volume Reservoir:
Sedimentation Basin material: Concrete nota available
Sedimentation Basin Dimensions: not available
Penstock Length: 247m
Penstock Diameter at Beginning: 8"(240m)
Penstock Diameter at End: 6"(7m)
Penstock Changes of Diameter:
Penstock Material: PVC
Security Valve: see foto

Electromechanical Equipment


Turbine Type: Pelton, 1 injector
Turbine Diameter:
Turbine Material: Bronce
Turbine Manufacturer: Nica Bosch (Contact: company does not exist any more)
Potencial (nominal):
Rated Head:
Rated Flow:
Rated Speed:
Runaway Speed:
Shaft diameter and material: 3"
Direction of Rotation: clockwise
Orientation of Shaft: horizontal


Generator Manufacturer and Model: Stamford
Phases: 3
Potencial (nominal): 11kW
Nominal voltage: 240 / 120 V
Nominal Speed: 1800 rpm
Frequency: 60 Hz
Isolation Class: H

Mechanical Transmission / Coupling

Type of Belt: 2x V Belt type B
Belt Manufacturer:
Distance between Pulleys:
Diameter of Generator Pulley:
Diameter of Generator Pulley:

Control System

Control System Manufacturer and Model: Nica Bosch
Type of Control: Flow Control

Electrical Transmission

Mini Grid: yes
Connection to national Grid: no
Grid Voltage: 120 / 240 V
Diameter of Conductor: Triplex No. 2
Transformer Rating:

Economic Information

Developer: (Contact: )
Start of Construction:
Date of Commissioning:
Ownership / Operation Model:
Tariff structure:
Connected Housholds: 31
Connection Cost Cost to be covered by houshold:
Overall Project Costs:

Project Photos

Dam Malacatoya.JPG

Dam Malacatoya 2