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Oregon Digital
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BUSTER CREEK SITE Physical Description
The site is located in the Nehalem River Basin on the west slope of the Coast Range of Oregon, a relatively rugged mountainous area with relief averaging about 2,000 feet. Both upper and lower reservoirs...
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Image details: CALLIGAN-HANCOCK LAKE PUMPED-STORAGE SITES LOWER RESERVOIR (Snoqualmie River) UPPER RESERVOIR (Calligan Lake) DAM POWERPLANT PENSTOCK UPPER RESERVOIR (Hansock Lake)
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CALLIGAN—HANCOCK LAKE SITE Physical Description
These sites located in the Snoqualmie River Basin on the west slope of the Cascade Mountains are about 25 miles east of Seattle, a major load center. Both upper and lower reservoirs are within...
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Image details: EDEN RIDGE PUMPED-STOAGE SITE DAM POWERPLANT UPPER RESERVOIR PENSTOCK LOWER RESERVOIR
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EDEN RIDGE SITE Background
The Eden Ridge site, located in southwestern Oregon on the South Fork of the Coquille River has been studied for feasibility of constructing a conventional hydropower project. In 1960 Pacific Power and Light Company...
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Image details: INDIAN RAPIDS PUMPED-STORAGE SITE LOWER RESERVOIR (EXISTING JOHN DAY DAM) PENSTOCK PLOWERPLANT DAM UPPER RESERVOIR
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INDIAN RAPIDS SITE Physical Description
The Indian Rapids site is located four miles upstream from John Day Dam on the Columbia River (about R.M. 220), and is about 105 miles east of Portland, Oregon. The upper reservoir would be located atop...
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Image details: TUMBLE LAKE PUMPED-STORAGE SITE UPPER RESERVOIR (Tumble Lake) PENSTOCK POWERPLANT DAM LOWER RESERVOIR (Existing Detroit Dam)
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TUMBLE LAKE SITE Physical Description
The project would be located in the North Santiam River Basin on the western slope of the Cascade Mountains about 65 miles southeast of Portland, a major load center. The project would utilize an existing...
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Image details: UPPER ALMOTA PUMPED-STORAGE SITE LOWER RESERVOIR (Existing Lower Granite Dam) PENSTOCK POWERPLANT DAM POTENTIAL ADDITIONAL RESERVOIR UPPER RESERVOIR (Almota)
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UPPER ALMOTA SITE Background
This project, sometimes called "The Union Flat" (and more recently called the Palouse Site) project would be located adjacent to Lower Granite reservoir in Washington, near the Idaho border. The project could be...
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Image details: WHISKEY CREEK PUMPED-STOAGE SITE POWERPLANT PENSTOCK UPPER RESERVOIR DAM LOWER RESERVOIR (EXISTING DWORSHAK DAM)
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WHISKEY CREEK SITE Physical Description
The project would be located in Clearwater County, Idaho, about 50 miles east of Lewiston, Idaho. The project would use the Corps of Engineers' Dworshak reservoir on the North Fork of the Clearwater...
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Image details: GOOSE FLATS PUMPED-STOAGE SITE UPPER RESERVOIR POWERPLANT DAM PENSTOCK LOWER RESERVOIR (Existing Chief Joseph Dam)
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GOOSE FLATS SITE
Background
Historical background of the Omak Lake—Goose Lake pumped-storage project can be obtained from the Corps of Engineers' report to Congress entitled "Water Resource Development, Columbia River Basin, June, 1958."...
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GLOSSARY OF ELECTRIC POWER TERMS
AFTERBAY — The body of water immediately downstream from a hydroelectric plant.
AVERAGE MEGAWATT — A unit of average energy output over a specified time period (total energy in megawatt-hours divided by...
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CAPACITY — The load for which a generator, transmission circuit, power plant, or system is rated. Capacity is also used synonymously with capability.
Dependable Capacity — The load-carrying ability of a station or system under adverse...
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Reserve Capacity — Extra generating capacity available to meet unanticipated demands for power or to generate power in the event of loss of generation resulting from scheduled or unscheduled outages of regularly used generating capacity. Reserve...
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CRITICAL PERIOD — Period when the limitations of hydroelectric power supply due to water conditions are most critical with respect to system energy requirements.
DEPLETIONS (Irrigation) — Net loss in streamflow due to irrigation...
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Usable Energy — All hydroelectric energy which can be used in meeting system firm and secondary loads. In the early years of this study, it is possible that there may not be a market for all of the secondary energy which could be generated in...
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Gross Head — The difference of elevations between water surfaces of the forebay and tailrace under specified conditions. Gross head generally refers to the difference between normal full pool and average tailwater.
Net Head (Effective Head)...
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LOAD SHAPE (Load Pattern) — The characteristic variation in the magnitude of the power load with respect to time. This can be for a daily, weekly, or annual period.
LOSSES
Electric System Losses — Total electric energy loss in the...
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PLANT FACTOR — Same as Capacity Factor.
PONDAGE — Reservoir power storage capacity of limited magnitude that provides only daily or weekly regulation of streamflow.
POWER — The time rate of transferring energy. Note: The term is...
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REREGULATOR — See Reregulating Reservoir. RESERVES
Forced Outage Reserves — See Capacity, Reserve.
Spinning Reserve — Generating capacity connected to the bus and ready to take load. It also includes capacity available in...
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Usable Storage — The volume of storage in a reservoir which can be withdrawn for various conservation purposes (gross storage minus dead storage). As used in this report, the term refers to storage which can be withdrawn either jointly or...
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