Development potentia L f o r rural electrificatio n I n I n d o n e s I a


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I N V E N T O R Y   S T U D Y   O N

D E V E L O P M E N T   P O T E N T I A L

F O R   R U R A L   E L E C T R I F I C A T I O N

I  N    I  N  D  O  N  E  S  I  A

Bandung,

October 22, 2001



KANANGA

S u l a w e s i   S e l a t a n

Kananga - Papandangan

SULAWESI ISLAND

Province


: Sulawesi Selatan

Regency


: Polmas

District


: Anreapi

Village


: Papandangan

River


: Papandangan

Gross Head

: 8.5 m

Estimate Design Discharge : 400 l/s



Hydraulic Potential Power

: 33.35 kW

Estimate Electrical Power

: 16.3 kW

Site / Sub-village

: Kananga



2.1.  Location

Kananga (sub-village) is one of the potential

site for a Micro Hydropower (MHP)

implementation.  Kananga sub-village is part of

Papandangan village, Anreapi district, Polmas

regency, Sulawesi Selatan province.  It is located

geographically at S 03 20'29” and E 119 20'46”.

Papandangan village north border is Pasapa

village, Balla village at the southern side, Paladen

village at the western side and Anreapi village at

the eastern side.

0

0



(buses) which services route among Polewali

- Anreapi - Papandangan. From Papanda-

ngan, the MHP scheme location (power

house) could be reached by walk in

5 mi-

nutes (for more detail, see Table 1.)



The MHP scheme will uses water from

Papandangan river.  The river located on the

southeast of Batu sub-village (part of Papan-

dangan village).  From the MHP scheme

$

2.3. Topographic and Geological Condition

2.2.  Accessibility

Kananga located about 18.1 km to the north of

Polewali city, Polmas regency, Sulawesi Selatan

Province.  The location could be reach by four

wheel vehicle such Kijang or motorcycle in about 1

hour from Polewali,or by a public transportation

location (power house) the river goes to the

south direction.  Topographic conditions

along the river are moderate slope, while the

materials around the river are loose soil and

gravelly. Detail topographic map could be

seen in Annex 3.



1. GENERAL INFORMATION

MAKASSAR


PARE

PARE


WATAMPONE

N

KANANGA

Route

Distance       Duration

Available

Layer (road)

Transportation

Type

Polewali - Anreapi

12

20 minutes



Buses

Anreapi - Papandangan

6

motorbikes



Papandangan - MHP Scheme lo

100 km         5 minutes

km

Asphalt


km

30 minutes

Soil

cation


Soil

Table 1.

Route of Access Line

2. SITE DESCRIPTION

S I T E   R E P O R T

Inventory Study on

Development Potential

For Rural electrification

i n

I N D O N E S I A



1

Village settlement around the MHP scheme (Batu

sub-villages) are quite concentrated.  There is no

adequate distance between every small group

from one to another.  Almost the villagers are far-

mers.  Their main crops are coffee, and chocola-

te.  They still cultivate their land in traditional way,

without any modern agriculture know-how.

According to the agricultural potential in the

area, Batu are quite prospective to develop

further.  There are existing public facilities

such as elementary school, mosque, and

village government office.  There are also

community organizations such as Farmer

groups, and religious groups.



3. SOCIO - ECONOMIC CONDITION

4. POTENTIAL ENERGY SOURCES AND ELECTRIFICATION CONDITION

The villages around the MHP scheme has not

been electrified and will not get electricity from

PLN grid, at least in the recent PLN Plan.  The

nearest PLN electricity grid is about 6 km.  Existing

main energy sources for villagers there are

kerosene, oil, and several diesel-fueled

generators for lighting and other needs.

The village around MHP scheme location

economically have many potential, especially in

agriculture, horticulture, fishery and forestry

sectors.  However, related production facilities are

still insufficient, there are some possibilities such

as: storage facility, and coffee grinding. MHP

development is expected giving valuable support

to increase community economics quality apart

from lighting need.

As shown at Table 2, the number of households

which will electrified by MHP scheme at Batu sub-

village and the surrounding area are

150

households.  Based on empiric data of



electrification project using MHP, the estimate

electricity need or electrical power need

assumption is about 100 watt per house.

Including the electricity need for several public

facilities, then total MHP Capacity  expected for

Batu sub-villages and the surrounding area is

about 15.79 kW.

$

Sub-Village



Village

Number of

Latitude Line

Longitude Line

Household

Batu


-

-

Kananga



Papandangan

-

Paladan



-

-

S 03 20'1”               E 119 20'47”



S 03 20'19”             E 119 20'43”

S 03 21'43”             E 119 20'55”

0

0

0



0

0

0



Total__150__Table_2.__Sub-Villages_which_will_electrified_by_The_MHP_Scheme'>Total

150

Table 2.

Sub-Villages which will electrified by The MHP Scheme

Village settlement around the MHP scheme; Part of the

area which will electrified by MHP at Kananga.

Figure 1

S I T E   R E P O R T

Inventory Study on

Development Potential

For Rural electrification

i n

I N D O N E S I A



2

Item

Amount      Capacity per Unit

Capacity

Remark

Households

150

100 W


15 kW

-

School



1

100 W


0.1 kW

Elementary School

Mosque

2

100 W



0.2 kW

-

Village Government Office



1

100 W


0.1 kW

-

Public Facility (Street Lighting)



-

0.39 kW


Total

15.79 kW

Table 3.

Estimate Energy Demand in The Catchment Area

5. HYDRO-POWER POTENTIAL

According to topographic measurement, water

from Papandangan River will be flowed through

intake then to headrace which the length is about

210 m (see detailed site plan at Annex 4).  For this

MHP scheme, measured gross head is about 8.5

m and estimated penstock length is about 14.5 m.

Detail penstock profile is shown at Annex 5.

Estimated minimum power electricity need in

Batu sub-village and the surrounding area is

about 15.79 kW.  To fulfil this requirement, the

MHP discharge have to be about 400 l/s with

the  estimate net head 8 m, with this calcula-

tion the MHP scheme could generate electri -

city power about 16.03 kW and still have

reserved power about 0.51 kW (see detail

calculation at Table 4.).

Recorded discharge data or annual

discharge are not available and discharge

measurement done not in the driest month,

therefore maximum discharge in the dry

season estimated about 400 l/s. However,

design discharge has to be determined in

detail and more accurate, considering all

factor, and catchment area when a further

feasibility study for this MHP done.



Figure 2

A part of Papandangan river where a dam (weir) of MHP

scheme will exists.

S I T E   R E P O R T

Inventory Study on

Development Potential

For Rural electrification

i n

I N D O N E S I A



3

The village settlement surrounding the MHP

scheme are quite concentrated and in small

groups which have significant distance from

each other.  Main transmission line to those

sub-villages, as shown in Table 2, is about

3.63 km length.  The transmission line design

of Batu sub-village and the surrounding area

is shown in Annex 6.

6. TRANSMISSION LINE


S I T E   R E P O R T

Inventory Study on

Development Potential

For Rural electrification

i n

I N D O N E S I A



4

I t e m

Symbol

Amount

Estimate  Gross Head

H

8.5 m


Measured Discharge ( when surveyed)

Q

400 l/s



Design Discharge (max 60% from Q )

Q

400 l/s



Hydraulic Power Potential

P

33.35 kW



Estimate Net Head

H

8 m



0.7

0.85


0.97

Estimate Electrical Power Generated at the power house

P

18.11 kW


Estimate transmission Losses

P

1.81 kW



Estimate Electrical Power delivered to the village

P

16.3 kW



Expected MHP Capacity (refers to table 3)

P

15.79 kW



Reserved Power (P - P )

P

0.51 kW



g

m

m



d

h

net



el1

loss


el2

exp


exp

res


Estimate Turbine Efficiency

Estimate Generator Efficiency

Estimate mechanical transmission efficiency

D

D



D

T

G



M

el2


Table 4.

Estimate Power Capacity of The MHP Scheme

I. DEMOGRAPHIC & SOCIAL

Item / Description

Amount / Remarks

Site / Sub-village

River

Village


District

Regency


Province

Distance to PLN Grid

Number of Population

Number of Households

Means of Livelihood

Economic Potential (Local Commodity)

Kananga

Papandangan



Papandangan

Anreapi


Polmas

Sulawesi Selatan

6 km

700


150

Farming


Coffee, Chocolate

II. HYDRAULICAL CONDITION

III. C I V I L

Item / Description

Item / Description

Amount / Remarks

Amount / Remarks

Gross Head

Estimate Design Discharge

Hydraulic Potential Power

Estimate Electrical Power

Estimation of Weir & Intake

Estimation of Headrace (Channel)

Estimation of Head Tank (Forebay)

Estimation of Penstock

Estimation of Power House

Type of Weir

Material

Width (of Weir)

Type of Intake

Material


Type

Material


Length

Material


Length

Diameter


Material

Material


8.5 m

400 l/s


33.35 kW

16.3 kW


Permanent / Semi Permanent

Stone Masonry

24 m

Side Intake



Stone Masonry

Open Channel

Stone Masonry

210 m


Concrete, Stone Masonry

14.5 m


58 cm

Welded (Rolled) Steel

Brick Masonry


IV. ELECTRO-MECHANICAL

Item / Description

Amount / Remarks

Estimation of Turbine

Estimation of Mechanical Transmission

Estimation of Generator

Estimation of Control System

Type


Estimate Turbine Efficiency

Type


Estimate Mechanical Transmission Efficiency

Type


Estimate Generator Efficiency

Type


Ballast Load

Crossflow

0.7

Flat Belt



0.97

Synchronous

0.85

Electronic Load Controller



Air Heater

V. TRANSMISSION LINE

Item / Description

Amount / Remarks

Estimation of Transmission Line

Length


3.63 km

Photograph 2

Photograph 1

Nature of stream bed in Papandangan river; A headrace route (of

MHP scheme) will exists on this area.

A Part of Papandangan stream bed; The selected location for A

Power House .


Photograph 4

Photograph 3

Nature of streambed in Papandangan river; the selected location for

Dam and intake scheme.

The selected location for Penstock route in Kananga.



Document Outline

  • KANANGA
  • 1. GENERAL INFORMATION
  • 2. SITE DESCRIPTION
  • 3. SOCIO - ECONOMIC CONDITION
  • 4. POTENTIAL ENERGY SOURCES AND ELECTRIFICATION CONDITION
  • 5. HYDRO-POWER POTENTIAL
  • 6. TRANSMISSION LINE
  • I. DEMOGRAPHIC & SOCIAL
  • II. HYDRAULICAL CONDITION
  • III. C I V I L
  • IV. ELECTRO-MECHANICAL
  • V. TRANSMISSION LINE
  • Photograph 1
  • Photograph 2
  • Photograph 3
  • Photograph 4
  • TRANSMISSION LINE


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