Important Aspects of Annual Energy Calculation Techniques for Low Head Hydro Power Plants
Annual energy calculations are frequently used to optimize design parameters at a turbine site and to compare energy production based on equipment offers from various suppliers. In this...
Quantifying Uncertainty in Hydropower Planning
Power system operators must deal with various types of uncertainties. Some are related to inputs, such as system load and water supply, while others pertain to the system itself, such...
Joint Economic Evaluation of Pumped Storage in Colorado
This paper summarizes a joint planning study completed in December 1988 on the economic potential of pumped-storage development. The study was unusual in water development investigations...
Devil Canyon Second Afterbay
This project is located in the City of San Bernardino (Southern California). The addition of a second afterbay for the Devil Canyon Powerplant has been in the planning stages since October,...
Case Study Incremental Approach to Cost Analysis for Improvements to Wise Powerhouse Penstock
In 1980, Pacific Gas and Electric Company (PG&E) began studying the addition of a second powerhouse to the existing Wise Hydroelectric Project. Because of the existing project...
First 10 Years of Operation of
The first turbine of the La Grande hydroelectric Complex (Quebec, Canada) was commissioned in october 1979. Since then, five reservoirs, two rivers diversions, three power stations with...
Thermally Developed Blade Stresses and Cavitation Damage
Cavitation damage to the turbine runner blades, to the draft tube liner, and to the runner hub requires extensive welding repair. The traditional repair method is to gouge out the damaged...
Vibration Measurements in Condition Monitoring
Vibration measurements as condition monitoring helps discovering defects and wear at an early stage, and is used to plan repairs and maintenance according to plans for water consumption,...
Trashrack Cleaning?A Job Requiring Utmost Care
During the last few years, the tendency in most industries has been towards more automation. Hydro has been no exception. Trashrack raking machines have followed this trend, and automatic...
Upgrading Trashraking Equipment During Scheduled Maintenance Outages
Four small hydro plants in Northern California were selected by Pacific Gas and Electric Company to upgrade and automate their trashrack raking equipment during the 1988 maintenance outages....
Management System for Power Plants Tecaid Maintenance System
Operational conditions and production levels are maintained at consistently higher levels when a planned maintenance system is used. Initial operational expenses for a planned maintenance...
Challenging Site Conditions Lead to Unusual and Innovative Powerhouse Design Features
Pacific Gas & Electric Company's recently completed Newcastle Powerhouse is located on the shore of Folsom Lake near Auburn, California. The $26 million facility uses...
Safety Evaluation of PG&E Dams
Pacific Gas and Electric Co. (PG&E) owns and operates 71 hydroelectric power projects in Northern and Central California. With 115 dams in its system, PG&E is the largest...
Relicensing: The New Rules of the Game
The Electric Consumer Protection Act of 1986 is an elaborate array of procedures and decisional standards that guide the Commission's consideration of both initial license and Federal...
Compliance Administration in the Office of Hydropower Licensing
Since the passage of the Electric Consumers Protection Act (ECPA) on October 16, 1986, the Commission has effected a number of organizational, programmatic and regulatory changes consistent...
The Renovation of the Mechanicville Hydroelectric Station
The Mechanicville Hydroelectric Facility, owned and operated by Niagara Mohawk Power Corporation, was first developed in 1897. This paper traces its history, relicensing and new design....
Negotiating with State and Federal Fish and Wildlife Agencies
The Federal Power Act of 1920 (Act), as amended by the Electric Consumers Protection Act of 1986, requires that the Federal Energy Regulatory Commission, in order to adequately and equitably...
This article discusses recent developments in enforcement by the Federal Energy Regulatory Commission ('Commission' or 'FERC') of its...
Extensive Civil Penalities Apply - FERC Takes Aim at Hydro Operators' Heads
On August 23, 1988, the FERC published rules implementing its new civil penalty assessment authority. Those rules raise various issues of concern for hydro operators, and additional issues...
Optimum Use of the Water Resource a Factor in the Hydroelectric Relicense Process
To meet Federal Energy Regulatory Commission (FERC) requirements for a new license, owners must demonstrate full development of the available water resource. This paper presents an approach...
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