WSP08998

• File Number: 8220.200.05
• Description: CRSP - Boulder Dam
• Basin: Colorado Mainstem
• Water Division: 1
• Date: 10/31/1938
• Title: Report of Competitive Value of Falling Water for Primary Energy at Boulder Dam in Competition with Steam Power at the Load Center
• Water Supply Pro - Doc Type: Report/Study

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six een units arc required du!'ihg periods of 10"1 '''ateI' it

rue that during periods of normal flow additional

cap. city is available in the units for generating second~

'l.ry )nergy. :t, therefore, is possible that some equit-

!?,blo ch",rg,) should bo made to the genero.tion cost of

seco dary energy.

1,;1'. ,Sr.>nds used the maximum 'lnnual firm obligp,tions

in h s study, ~hich according to the contract is

4,27 ,000,000 k"'-hrs. occurring in the contract year of.

194) 4. rhe average annual obligation over the remain-

ing years of the contract period is 4,050,000,000 k~-hrs.

l'he a ount of secondary energy available is incapable of

exact determination but might bo estimated from a study of
the h drograph prepared by the Reclqmat~on Bureau in
AUgUB 1937, '''hich sho'78 qn estimated operation of the dam'

r,nd r. rwrvoir for future years., based upon actu9.l records

of ri ;r flo'" for the last 40 years. rhe economicR.l use

of the amount of secondl'try energy the,t "'ill be :wailable

i8 inc ~I'tblo of determination.

rhe osHmp, teil of future leilo'7'l. tt-hours and peale

dem?,nd nppoe.ring in my report on pp.ge 39 of the "Cfficie,l
Statom t of the Buru!lu of PO"ler and Light", dated
liovombe 30, 1937, as referred to in lejr. S'1nds' report,
rosul ts in an o.verage lop.d fs.c.tor of approximA.tely 50%

during , l5~ye~r period. ihesG ostimates ~ere intended to

bo cons rvative for the purpose of estimating future

A. J. Roberts

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