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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A. B. ROBeRTS
CONSULTING eNGINeeR

SWeTLAND BLDG.

CL.eVeLAND

SECTION_I
of

REPORT BY A. B. ROBERTS
INDEPENDENT STUDY OF THE VALUE OF FALLING
WATER FeR PRIMARY ENERGY AT BGULDEfLtAM

Preli~inary to the presentation of my study Of

the va ue of falling water for primary energy at Boulder

Dam, i seems advisable to set forth a few of the

genera operating practices of utilities with which I am

'. Capaci ty
In connection with the relationship between

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spinni . reserve and peak demands, it is found that the

s of various electric utility companies are the

g:

The Cleveland Electric Illuminating Company (all
steam) lans its construction and operating program t~
provide spinning reserve equal to the capacity of the two
largest units comprising the largest unit at each of two
generat ng stations,
The Pacific Gas and Electric Company (combina-
tion hy ro and steam) reports that its practice is to pro-
vide sp nning steam capacity to back up the hydro in an

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