KW Nairobi Tana Maragua 6,40 0 )

I?,2

^{1 7}

^.I

^{19 ,0 13}

._-._

^...

_{--_._--}

_{_._.}---"

'--8~ooot

Nairobi Low Tana Tana ^{. "...}

_.

Nairobi Hanjii Mathieya 7,400 52,741 58,064

N":irobi Ndula Thika 2,250 12,210 18,743

Nairobi Meseo Maragua 400 1,404 1,360

i':ldoret Selby Falls Sosiani 360 2,129 2,805

Manykki Liki Liki 100 677 797

Nyeri Sagana ^{------•....}

---Falls Nyeri 1,500 4,422 4,402

.._".._,----_._,,-_.~.

._-..

TOT4~.JIJ'L,

, , ....

^26,410 146,500 205 , 184

. • ,

'EjCN.14/I NR

!

^{I 04}

Page 45 '

Area Name ,. ,_ ...rns..1;_aJle~

capa.ci ty in - - - '."~----1964 (tftr)

,___ J2r.oduc tion".in_1Ulh..-"

1964· '

"(.i.).i,, __

^Steam.~G-lUJ.,?--p-lan~~~-{SE)--- ---- --. -

.-Coa.'st Kipevu 27,500 '53,500

, ,

112,345

Total SE 53,500

(ii) PJ.<o.sel l'0we_r plants (DE)

Nairobi Ruiru

_.'.21-ao8t__

:.~~.

,....

Nairobi South I

lCisamu

Tot,,-}. DE .••."i" 42 t230:..-_ _

---'::..<.J~""---''-'-''=-

---,-~,-.---1,000 ( iii ) Q~.:..~::.:.t.lJ:~Ei;q"£-(GE-}-- ----.--- _. ._._",... . -.--.

Nairobi Nairobi South:::r 4,400 Nil

To"G3.1 ,GE'·

.'.> .•

4,400 1,000 Nil

E/CN•14/nm/l04 Page 46

(b) Production, import and consumption in the period 1959-1964 in GWh (rounded)

----",

_

^...

_.

_Production ^{;. ~}

Import from

1,e"r ' ' ,Total Hydr-o -Uga nda ' Tanganyika ^.--" Total com,um", ption

1959

· ..

^{210 140 129 22 151 )61}

196,0

.:'

__ 230 ,-,1,30, ,,160 21 181

41r

19_61 ^_

...

^{__ 210 '}

--

l}O---- 191 ²⁰ 211 -421

1962

· ..

^{240 160 189 19_, 2Q8 448}

1963 263 171 190 15 205 468

1964-.

·

^'

..

323 205

177

^{6 183 506}

The average rate of increase of consumption was about. 7 per cent.

(c) Tranemission and distribution: Kenya has interconnexion lines with Uganda: 132 ,kVdouble circuit line' Nairobi-Tororo,1 total length about 400 ~m.

Route lengths' of transmissioh and distribution mains are as follows:

, 66

_kV, 3 wire 194

40!33kV 3,wire

&

1LG'~-706

-,-- ll--k-V 6/3/2 wire, d.li:;

&

U.G.

2,160

L. T.

O.H. &

U.G.

1,060 kID

The distributton system

is

standardized on 240/415 Volts, - -50cy6Te-s-;-riihase wTfii-iieutral

whe. '

There are no data available about the number of distribu-tion transformers.

E/Cfl.,14/INR/I04

(ii) DE

...

42,230 '29,261 5,642

(iii) GE

...

^{4,400 1,000}

Total TE

...

74,130 83,761 117,987 Total HE

...

^{26,410 146,500} .:, 205,184 Power stations in total

...

^{100,540 230,261, 323,171}

1,: •

'Consump,tionamd the maximum power'. de~la.!\d in the various areas of

t ..

Kenya were as follows in 1960 and 1964:

Coa.st ....0 . . . .

Nanyuki .•..

Nyeri ••••.^<

Nairobi .. '••..,

, :!...'\

(sales )'" .2Waxlih;"m

.

^.

Sent out Consumption demand

to . ays

fem

GWh (rounded) KW

, G1'o'h

1964 1960 1964 1960 1964

300.1 .... 227.0. _{£'. ?70,~L.} <1:2"36 0 . 54,940

112.5 71.2 107;0 14,646 19,400

'. 25· 7 1501 . 23.2' 4,220 4,400

466.1 334.1.0' 425.

7~./ ^73;

^{486.!Y 83,284:9)}

----._._.

^','

~

^Thisi figure is for about 19'

p~er"cent-'iower:

t-han the figure given in the next table. The'dif'ferenoe might represent Losse s... i).'1 transmission lines and distribution networks plus oonsumptipn of power stations' auxiliary

dri~e", but in .spite of that, the figures should be checked for

oor-." TectTIml's.'· ,,'..:.C... ' . • .: .'. " .... '_'. '"...

.!i

^The aci;uci:i"·~ot~Jcma.xirmim ^demand :vj":J~:i'!.l1Ya.1::;somew-ha t lower than the

Silln of all partial maximum demands, as they did not occur at the same

time. .

E/CN.14/I NR / 104

Page 48

(<i) ..Cost of..ej.",ei;rio power: In 1962, the prioe for diesel oil

- -... ~._"--_. ..-_ -_.,."..

-... F •.O,.R. Mom;,a'!fl was EAS 250.29 per ton, and. furnaoe oil cost .EAS

112

^.e,

17

per ton, In both oases the cost of transport

should be added for suppli~s els~wher~,._.Therefore, the fuel,_'

.

^. ..

.

. .

.

^.

oost per kWh generated is about

6

cen~s. at M?mbasa,. but inland.

the cost is up to

9

or 10 cerrts , Taking into account all

.

^. .. ..

other _expen~es for generation and distribution, inoluding interest and depreciation, the t0tal costs per kWh sold may - b'B 'approximately' 2£ cents near the coast 9-.110...

3..7

.Q.6!'.ts or mere

in the Highlands.

Hydropower in Kenya is cheaper. It is estimated, that the selling cost per unit is about"19 cents , including interest and depreciation •

. (e)

_.Tariffs: The tariffs ofID~

(East'

Afri(;atl Power" and'Light··

Co.) in the Nairobi area for the pUblic. supply are caloulated as f;il;ws

:-(ll~

(one shillingr:.. 100 cents (Eae t Afrioan)) •.

....^.--...

__

^.

Methbd' A. Lighting. and Power for Domestic Purp~ses:

1/-' per unit for the f.irst 20 un.it.s per month, subject to a minimum charge of 18/- per month,

17 1/2 cents per unit for the next 125 ^units .'p,er. month, 10 1/2 cents per unit for the next 1,100 units per.. mcrrth , 15 cents per unit for all consUll!ption in exoess of

1,245 units per month.

." ..All uni:ts.,s)'{Qplie~Lunder_{. .} this method of, charge in'_{__.-.. .. . _.-} exces s of

" ' - ' , "

145

units per ,month are subject to a Fuel Oil Price Surcharge.

"1'JIBthOdB~-'Li~h~;n'"

,., ~ 0. ^{for all} "'ur·poses:,!C _ -0"'0..f

or...

..,,' "".,-,S\,.S.upE Y1 to domestic radio sets;

1/-

per unit subject to a minimum char-ge of

6/-

per month.'

Method B.2 Restrioted supplies for all lighting purposes and for' the ,s.upply to domestic radio sets:

either:

.'C/CN.14/I.NR/l04 Page 49· •

(i) • 11/- per mon.il-hl'."y:,,-b~."-:-inadvanc6L " i n c l y d i n g the hire of a cO[J;:oo~ito supply unit and a load

or

• ( ii)

.10/- per mor.t h :o'wccb2eil1 advance .inc Iudi.r.g' the hire of a load limi t'ing devioe on~y.

. J: .

..

_-_._.

The load limi t:lng device'1<ill be·so adjusted that the suppIy will be d i.e ccrmcote d when the Load exceeds 120 watts.

Method ,C. Liv;htilIg "c.'.d Pm/er for Hotels, Clubs, Hospitals, ,:~.:E...~.!_?'3;S ta~ra:n:ts'^'c...f§..:f'e~;2 Boarding Houses,

.Schools~nd ?1.,,,:t~,,-~"t.-,-~eparatelY^{metred) for} both.J)ghting and ]l0V'l£.J!urposes.,

75 cents per unit,fg:r:thE),,:.firai;.125,.uni ts per months sub-ject to a minimum chacrgce' of '[0/- per month,

30 cents per unit for the next 400 units per month.

17.5 cerrt s per uni t for ell] c or.e umpti.o n in excess of 525

..~_. 1."

·uni't".·,p= -morrth .- .

Method D. .Power for Off-·:2eak l:"at,er Heating:

- .- - - . - . 7'",:--.-.

~.'-.-:r--._~--9

cents per urrit ,plus .8.PuC:,l Oil Price Surcharge, subject to a minimum charge of

6/-

^{per month.}

Method E. Lighting,on.l;L[9.:"-..9h'lrches, Chapels, Cinemas, Theatres, Q:fJ_~

..

f~-~.'? Sh...?_.J?~: ~~9._Q.:?P~EG~~l Premi~es ~

72.5 cents fc" the first 200 units per month 'subject to a minimum charge of 100/- per month,

..::

"".

⁵⁵ cents pie[' unit for the next 240 units per month,

35

cents per unit for the next' 500 units per month, 27.5 cents per unit for all consumption in excess of 940

uni-cs per month.

." ^-

^{._-_._._....•-.-'_..}

E/CN.14/INR/I04 Page 50

Method

F~

Small Power Supplies;

42

cents per unit for the first

375

^{units per} month, sub-ject to a minimum charge of

1'/50

^{per month,}

36

cents per unit for the next 600 units per month,

27.5

cents per unit for

all

ccneump td on in excess of

9'75

units per month.

There is also a

char-ge

of

'!./50

per,KVA continuous rating of all electric welding plant.

Method

F~

Restricted Power Supplies for :cla ter Pumping:

11 cents per unit plus a.' Fuel Oil Price Surcharge, subject

r.' , to a minimum oharge of

120/-

per month,

Me thod G• . Large Powe-r Supplies - -includ.ing limited supplies for lighting purposes:

(i) A maximum demand charge according to the following table

Maximum demand as recorded :

o

to

50

kVA ••••••••••

SItu 200 kVA ••••••.••

Over 200 kVA ••••••..•

Fixed charge per

kVA per annum'

305/- 260/-

225/-(ii) A unit charge of

7.5

cents per unit subject to a minimum annual guarantee of consumption. of 40,000 units •

.Theuni t charge will be subject to a Fuel Oil Price Surcharge, but such Surcharge will not be imposed.on units which have not been consumed but are deemed to have been sup-plied in order to make up the guaranteed annual consumption.

There is also a charge of 2/50 per kVA of nameplate kVA con-tinuous rating of all electric welding plant.

Me1.nod H. ;1estricted Power Supplies for the Produetion of Sisal Fibre only:

17

cents per unit, subject to a minimum charge of 60/-per month.

E/CN.14/INR!104' Page 51

. !>!etl!od,

!C, .

Ligl;l,.tJl1E.J"llil J'Qwer .;(9r .MHitar;)': Carop.s, ..RQspi ta.ls ..

Institutions, Hotels, Clubs, Prisons, Restaurants,

.-.,._-,,_....^-...--~' --_.^-..~ .."-_. -~,-" ...^{'" ,~.}

Cafes, Boarding Houses, Schools, Flats (not separately metred) and large bUildings with a mixed load for cOlllbined purposes of lighting and power (inoluding water heating)

(i) A fixed charge cf32/50 per kVA _pe~ metre _~eading period, based upon the actual recorded maximum demand,

and

(ii) 11 cents per unit plus a Fuel Oil Surcharge.

The above charges are subject to a minimum charge of 812/50 per month.

Method

M.

Lighting and Power combined for Cinemas and Theatres only:

85 cents per unit for the first 200 units per month Bubject to a.l!linimum charge. pJ: 150/.,.. per. mcrrth ,

32 ceuts per unit for the next 1,000 una ts per month,

18

cents per unit for the next 2,000 units per month,

• 16 cents per ^urn-t for all consumption in excess

of

3,200 units per month.

Method

n;

Lighting and Power

~ombined

for Commercial Premises:

• ·72.:) cents per unit subject to a minimum charge of 6/- per

month.

Method

~

Bulk Supplies for Lighting and Power Purposes to Farms:

30 cents per unit subject to.. a ..iilinilllU1JLccharge of 400/- per month.

(2) Future development (~,6.7!8)

There are available three estimate~ of th~ future consumption growth of electric energy:

F/ CN •14j:INR/104

Page 52

Doc. (2) Doc.

(6)

^{.., ])0}

c • ('7.)

Doc.

(9)

,.

19 64/ 1965

10

%'.. 19 ⁶ 2/ 1970 9.5% 1964/1970

^:

13 % 1963/1967 12.1 %

1966/1968 1?%

^::;":'.

^{1967/1971 13} %

. . .-._-_....~.,.. ^,.. .-.-'..'.

1971/1975 11.4 %

Eovevsr , there iSIlo official estimate existing Future power

potential of three-stage

250/270

MW.

plant development is based mainly on the hydroelectric the TaJ;1a River. Long:-ra,nge plans have been made for a development at Seven Forks with a total capacity of about

The producibili ty of the individual stages has not been given. The total investments will amount to

£ 37

million. The Seven Forks scheme will be,comple~ed in 10 to 12 'years,' butrcccna tr-uct ton works will be phased to anticipate expansion in the demands for electricity and other water storage re~uirements.

(a) Kindaruma power station, installed capacity

40 MW:

Construction started in Yarch

1965.·

There·will be two generat-ing units, each with a Kaplan turbine of 28,000 HP (gross) or 20 MW nett. and a genera tor of 23.5 MVA. The main trans-formers of

25

MVA will each step up ·the voltage from 11 KV to 132 KV for

oeaaaedand

t.r-anspo.rt to Nairobi. Ia'j;.,r " a third uni t should

' . ".

_._---,---

^.._.-_:...

in this 'fay the total inBtalledcaiiacity would be increased tc

60

MW.

The total investments of the 40 MW phase, i~cluding trans-missiOri

line'132

KVto Nairobi amount to f.. 6 million.

(b) . The Gtaru scheme power station with a total installed capacity of

170

MV will ha\~ four power units, each of'

42.5

MW. This power station, with a head of about 203 m,... \will be .si tuated

._:-,,~--~.

underground and will be supplied by water from the large water'reservoir upstream.

PI

.CN.14/;WR/

1,0,,1

Page 53 .

(c)

A reservoir scheme powe,,·~tiition (40 MW) will be Loca ted

~mmediatelydownstreamof the dam of the large reservoir.

The useful storage of this reservoir will.l;>e a.bout .;¥~".\

million acre-feet of 1,200 million m3.

- r ".

(d) At Kipevu on the coast, an additional oil-fired steam plant is to be installed in 1965; it is a 12.5 MW unit,·ihe boiler

of

which ls· already' in

s&~viGe.· :~>

:J<l',,:c..

,.~>..

,.

J.'c.-' ,f ~~'L ,', ) r r -,

., J

-:i, ..

"7J.:

,,-' .^~(

• j'. / •.c ".-'

r-~ .

:"

.

^-..^-~.\

'-,'..' .

F/

eN'~

14/ TIm-/l04

Dans le document Energy development in the countries of the East African sub-region (Page 46-56)