Offgrid Stations

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LAMU POWER STATIONS

Lamu Power Station is a 2.4 MW plant situated on Lamu Island, Coast province. It is on an isolated grid, i.e. the station is not connected to the National Power Grid but supplies power only for the town. Lamu town has a maximum power demand of about 1.3 MW which means that out of the six installed units, four run continuously while two are on standby. The sets were installed at varied times with the latest one having been commissioned in September 2007. All the sets run on industrial diesel oil. The table shows the Installed units

 

UNIT ENGINE TYPE AND MODEL INSTALLED CAPACITY YEAR OF INSTALLATION COMMENTS
1 CUMMINS KTA 19 G4 400 kw 1997 OPERATIONAL
2 CATERPILLAR C-18 500 kw 2007 OPERATIONAL
3 CUMMINS KTA 19 G1 289 kw 1989 OPERATIONAL
4 CUMMINS KTA 19 G1 289 kw 1989 OPERATIONAL
5 CUMMINS KTA 19 G4 400 kw 2001 OPERATIONAL
6 CATERPILLAR C-18 500 kw 2007 OPERATIONAL

 

There are plans to relocate the station from Lamu Island to the mainland and supply power back to the island through a submarine cable. This is expected to give space for expansion of the station as the land on which the station currently stands is congested. It will also enhance safety.
There are also plans to convert the diesel station to a hybrid wind-diesel station by installing wind turbines to run with the engines. Wind data studies are currently being conducted as part of a feasibility study for the project
 

GARISSA POWER STATIONS

Garissa Power Station is a 3. 4 MW plant situated in Garissa Town 380 Km to the North East of Nairobi. It is on an isolated grid, i.e. the station is not connected to the National Power Grid but supplies power only to the town and its environs. Garissa town has a maximum power demand of about 2.1 MW which means that out of the four installed units, three run continuously while one is on standby. One of the sets, the Caterpillar unit, was commissioned in May 2005 while the other units were commissioned in 1996. The new set runs on Heavy Fuel Oil while the other three sets run on Industrial Diesel Oil.

 

The table shows the Installed units:

 

UNIT ENGINE TYPE AND MODEL INSTALLED CAPACITY COMMENTS
1 MAN B&W 5L 28/32 H 1000 kw OPERATIONAL
2 WARTSILA F 240 674 kw OPERATIONAL
3 WARTSILA F 240 655 kw OPERATIONAL
4 CARTAPILLER 3606 1040 kw OPERATIONAL

There are plans to convert the diesel station to a hybrid wind-diesel station by installing wind turbines to run with the engines. Wind data studies are currently being conducted as part of a feasibility study for the project