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What Lower Mainland plants must only be operated by the plant operator
Ruskin & Cheakamus
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What Interior plants must only be operated by the plant operator
Arrowhead Lakes, Falls River, Lajoie, Shuswap Falls, Seton
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What Vancouver Island plants must only be operated by the plant operator
Puntledge & John Hart
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How many units and total MW output of ALH
Arrowhead Lakes Hydro, 2 units, 185MW total
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What is the major concern at Arrowhead Lakes
- Change in flow/forebay levels
- +433m-10min to restart unit if trip to SNL-RGO if unsuccessful
- -433m-24min timer starts-RGO immediately-
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How many units and total MW output of RUS
Ruskin, 3 units, 105MW total
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What is the major environmental concern at Ruskin
- Minimum tail-water elevations
- Oct 15-Nov 30-1.8m
- Dec 1 -Oct 14-1.7m
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How many units and total MW output of CMS
Cheakamus, 2 units, 157MW total
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What is the major environmental concerns at Cheakamus
- Ramp Rates (Fish)
- No increase ramp rates
- Between 40MW-10MW (Plant Total) only decrease 10MW every 5 min (1.5MW per min)
- Shut-down from 10MW after being there for 5 min
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How many units and total MW output of FLS
Falls River, 2 units, 7MW total
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What are the major environmental concerns at Falls River
- Ramps Rates
- Feb 15-Mar 15-Ramp up - 1.3cms per 10 min
- Nov 1 -Apr 15-Ramp down-1.3cms per 10 min
- Min Flow
- Aug 1-Oct 15-6.5cms when reservoir is at or above 88.4
- -1.3cms when reservoir is below 88.4
- Oct 16-July31-2.6cms when reservoir is at or above 88.4
- 1.3cms when reservoir is below 88.4
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How many units and total MW output of LAJ
Lajoie, 1 unit, 25MW total
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What are the major environmental concerns about Lajoie
- Ramp Rates and Min Flow-Both done by field staff
- To change MW output of unit use MW control NOT PRV Limit control
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How many units and total MW output of SHU
Shuswap Falls, 2 units, 6MW total
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What are the major environmental concerns at Shuswap Falls
- Min Flow at Wisley Dam
- Jan 01-Aug 14-13cms
- Aug 15-Dec 31-16cms
- save fish setting
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How many units and total MW output of SON
Seton, 1 unit, 45 MW total
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What are the major environmental concerns with Seton
- Generator Output
- Apr 01-Jun 30-unit between 32-42MW or shut down
- Jul 01-Aug 31-unit above 32MW or shut down
- Sep 28-Nov 15-unit above 32MW or shut down
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How many units and total MW output at PUN
Puntledge, 1 unit, 24 MW total
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What are the major environmental concerns with Puntledge
- Gauge 6
- Min Flow when between 5.1 (6cms BC Hydro)-19.8cms
- Above 19.8 there is no restriction
- Ramp Rates 2.8cms/hr (hard limit) 2.5cms/hr (BC Hydro limit)
- Gauge 8
- minimum flow and ramp rates
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How many units and total MW output at JHT
John Hart, 6 units, 126MW
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What are the major environmental concerns at John Hart
- Ramp Rates and Minimum Flows
- generation can't go more then 3 MW below plant total instructed level
- if it does, operator must take corrective action (increase generation on other units or call the duty electrician to spill)
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What big plants have fisheries or environmental issues
Rev, Pcn
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What is the concern with elko
maintaining headpond level when flashboards are installed
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