The Seattle star. [volume] (Seattle, Wash.) 1899-1947, 1902-02-05

city. In calculating cost electricians
figure one arc light as equivalent to
nve inoandescents or 50 o. p. each for
street lighting. This calculations
then can be made as upon !, 500 In
eandesecnt lights, The liked charges
then upon the distributing system
would be 81 per incandeseent light
and sib per arc light.
IL IL also calculated that so per
cent. OF one horse power IL required
for an arc light and 10 80 per cent
OF one horse power for an inean-
descent. The total cost of each IL
then computed as follows,
Are Lights
70 per cent. Of one horse power
81 30 ssstsstss sst *s+s.t. Sla,Ae
Fixed charges distribution plant 1890
Cartoons. trimmings and repairs 1889
Total .......... .............,asso
faeanasscsnt lixhu
10 % per csat. horse power ,.,...tsoo
Fixed charges distribution 500
Renewals and repairs aeo
Total .......... ........... .,s.oo
A ccmparisoa
The city now pays ga per year for
arc lights and SIS for ineandencests.
These rates would probably be come
what reduced II the corporation had
larger contract. but not 20 an ex.
tent TO approach the fgurea given
above for the cost under the maHlc-
ipal system. - e
The foregoing computation 81 the
cost % city lighting by = municipal
plant makes no account Of the profit
from the sale Of the surplus power.
Tho lights contemplated 100 arts
and 2 600 iucand.acsntsl would re-
aulre approximately 800 horse power.
leaving a surplus Of 1900 90 he dis
posed OF in large or amAtl lots 10
individual consumers.
II II stated on good authority aud
also denied-lt ~ fair TO say. that
tbs surplus power can be sold az
the rate % not less than $50 per horse
power, The Snoqualmie company 10
said 90 have existing long time con.
tracts 60 furnish power 10 iargs
manufacturing plants In this city At
rates as high IS $40 p~r horse power.
soasthIng 10 TAiRk Absat
Thirty dollars per horse power
seems thea a conservative estimats
OF the value OF electrical power in
this city for few years nsxt snsu-
ing. ON that basis the city should
derive a prugit % sl1 per horse power
on It's surplus 81 i.Nc horse
power. or total of about
81. SEQ per annum. Dividing this sum
by $500 1900 arcs and !. BOO mean.
dascents being taken az equivalent
70 s,5oa Of the latter gives a r.sfue.
ton % sG.Ao per light In the cost If
lncandescsnis. AS heretofore stated,
one arc light In regarded as
equivalent TO ave ineandr2csnsn in
computing coat. and I've resulting
reduction In the cost % arc lights
would be tssSo per light. The cost
Of city ii9htinK would therefore bs
reduced to a mere nominal basis,
or. TO be more exact. an inca ndemcsut
street light would cost the city for It's
own use the difference between SC 50
and s.. or ti.6a. against sl6 per light,
which Ia now paid. The arc street
light would cost the city for It's own
usw the difference between s1s.8 30 and
1880. or $40, against tTs. which n
nov paid. This may seem to be a
startling deduction. but figures do
not saF unless made TO DO 30.
X VIII BE- shown hereafter that IL
the city should enter the ffsld % pri.
waite supply II could derive an even
greater rate Of profit from that
source than from the sale of power,
and obtain its own lighting absolute
Isl free of cost