tim mcleod lake dorothy generation cost mcleod...kasidaya 2008 $ 11 200 000$ 11,200,000 $ 11 536...
TRANSCRIPT
![Page 1: Tim McLeod Lake Dorothy Generation Cost McLeod...Kasidaya 2008 $ 11 200 000$ 11,200,000 $ 11 536 000$ 11,536,000 $ 1 049$ 1,049 Lake Dorothy 2009 $ 78,520,419 $ 78,520,419 $ 1,047](https://reader034.vdocuments.mx/reader034/viewer/2022052008/601cb2052f22056806413e3d/html5/thumbnails/1.jpg)
Lake DorothyLake Dorothy The Cost of Generation
Tim McLeodTim McLeodPresident
Alaska Electric Light and Power
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Challenges to developing new h dhydro resources
• TimingTiming• Permitting
D i• Design• Financing• Construction• Customer acceptanceCustomer acceptance• Regulatory approval
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Lake Dorothy Hydroelectric Project Sitey y j
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Lake Dorothy Hydroelectric Project Sitey y j
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Lake Dorothy Hydro
Powerhouse
Bart Lake
Louie Lake
Lake Dorothy
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Project history
• 1996 – 1st Preliminary permit submitted • 1999 – 2nd Preliminary permit submitted with revised
scope• 2001 - Draft License Application and Preliminary Draft
Environmental Assessment filed with FERC and agenciesEnvironmental Assessment filed with FERC and agencies• 2002 – Final license application and draft environmental
assessment Filed • 2002 - FERC issued final environment assessment
(EA)for agency and public comment.• December 24 2003 FERC License Order Issued• December 24, 2003 – FERC License Order Issued• May 2006 – With final design complete, financing in place
construction began •• August 2009 August 2009 –– Project on lineProject on line
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Phase I Development• Power Tunnel and Lake Tap
• Bart Lake Diversion Dam.
• 1.8 Mile Access Road from Powerhouse Site at Tidewater to Bart Lake
• 8400’of 60” Diameter Penstock from Bart Lake to Powerhouse Site.
• Powerhouse/Turbine/Generator
• Shop and Maintenance Crew Quarters S op a d a te a ce C e Qua te s
• Substation and switch yard
3 5 miles of overhead transmission line• 3.5 miles of overhead transmission line
• 15 MW
• 75 GWH.
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Lake Dorothy Lake Tap & Tunneling ProjectTunneling Project
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Lake Dorothy
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Lake Dorothy Portal on July 25, 2009
Lake Dorothy
Lake Tap Portal
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Tunnel Plug – June 27, 2008
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Tapping the Lake – August 19, 2008
The Trigger Man
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A Look Inside the Portal on July 28, 2009
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Access Road and Penstock
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Access Road Construction – 2007 (working from tidewater to Bart Lake)
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An On-The-Ground Look of the Access Road – August 2008
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May 4, 2009 – 1st Shipment of Penstock Pipe Arrives
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The Valve Vault – August 18, 2008Note: MK174, Baker Disassembly Joint, 60” Valve and MK173 in Place
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Penstock Trench Work – June 21, 2008
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Penstock Install Along Road – October 16, 2008(Installing MK167)
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View of the Penstock Pipe Staged along the Access Road
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• Bart Lake Dam• Bart Lake Dam
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Installed Siphons – November 10, 2008
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Bart Lake – November 18, 2008
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May 28, 2009 – Pouring the Last of the Bart Lake Dam Face Slabs
![Page 35: Tim McLeod Lake Dorothy Generation Cost McLeod...Kasidaya 2008 $ 11 200 000$ 11,200,000 $ 11 536 000$ 11,536,000 $ 1 049$ 1,049 Lake Dorothy 2009 $ 78,520,419 $ 78,520,419 $ 1,047](https://reader034.vdocuments.mx/reader034/viewer/2022052008/601cb2052f22056806413e3d/html5/thumbnails/35.jpg)
Bart Lake Dam - August 2009
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Powerhouse Foundation and Building ErectionBuilding Erection
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Powerhouse Site – March 25, 2008
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Powerhouse Site – June 25, 2008
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Powerhouse Site – August 23, 2008
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Powerhouse Site – October 18, 2008
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Turbine & Generator
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Turbine Set, Manifold Set, Branch Pipes Installed – Feb. 19, 2009
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15.3 MW Bart Lake Generator Final Assembly & Test at Factory
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June 24, 2009 – The Runner is “Home”
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August 31, 2009 – Commercially Operational!!!
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B t L k S b t tiBart Lake Substation&
Transmission Line
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The Bart Lake Substation Complete & Back Energized from Snettisham T-line - October 27, 2008
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T-Line Structure Site Clearing – August 1, 2008
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Snapshot of Blast Along T-Line
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Typical Structure Sites
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The Bell 214 Getting Ready to Lift a Pole from the Barge
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Heavy Lifts Moving Equipment and Poles
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Flying in a Crossarm and Crews Working on Assembly
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High Time for the Lineman
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Lake Dorothy Breaker - East Terminal - Lower Yard Complete
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BART LAKE POWERHOUSE OCT. 2009
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Juneau Area Energygy
700
500
600
D th Ph 1
Dorothy Phase 2
1.3% growth
400
GW
h
Snett Phase 2
Dorothy Phase 1g
200
300 Snett Phase 1
0
100
Salmon, Annex, Gold Creeks
0
1970
19
73
1976
19
79
1982
19
85
1988
19
91
1994
19
97
2000
20
03
2006
20
09
2012
20
15
2018
20
21
2024
20
27
2030
20
33
2036
20
39
![Page 59: Tim McLeod Lake Dorothy Generation Cost McLeod...Kasidaya 2008 $ 11 200 000$ 11,200,000 $ 11 536 000$ 11,536,000 $ 1 049$ 1,049 Lake Dorothy 2009 $ 78,520,419 $ 78,520,419 $ 1,047](https://reader034.vdocuments.mx/reader034/viewer/2022052008/601cb2052f22056806413e3d/html5/thumbnails/59.jpg)
“Hydro projects inflate until you build them”Scott Willis, AELP
![Page 60: Tim McLeod Lake Dorothy Generation Cost McLeod...Kasidaya 2008 $ 11 200 000$ 11,200,000 $ 11 536 000$ 11,536,000 $ 1 049$ 1,049 Lake Dorothy 2009 $ 78,520,419 $ 78,520,419 $ 1,047](https://reader034.vdocuments.mx/reader034/viewer/2022052008/601cb2052f22056806413e3d/html5/thumbnails/60.jpg)
Rate impact illustrationRate impact illustration Total Cost to Ratepayersp y
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Rate impact illustrationd l d idelayed construction
Total Cost to Ratepayersp y
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Rate impact illustrationd l d idelayed construction
Total Cost to Ratepayersp y
20
10
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per K
WH
Without new hydroWith new hydro
0
Cen
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The Importance ofS l H d ESurplus Hydro Energy
• Provides the lowest energy rates over timeProvides the lowest energy rates over time• Available for load growth
P id t t bilit• Provides rate stability• Enables incentive rates• Avoid diesel use during dry years
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The importance of surplus energy salesThe importance of surplus energy sales
Surplus sales benefit others
Princess Cruises Shore Power FacilityPrincess Cruises Shore Power Facility
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Hydro project comparisonIn 2009 dollars
Inflation based on Handy – Whitman Indexy
Completion Actual Actual Cost $/MWh
Project Year Cost (2009 $) (2009 $)j ( ) ( )
Terror Lake (IDC) 1984 $ 234,000,000 $ 470,758,213 $ 4,024
Falls Creek 2009 $ 8 200 000 $ 8 200 000 $ 2 563Falls Creek 2009 $ 8,200,000 $ 8,200,000 $ 2,563
Solomon Gulch 1981 $ 69,000,000 $ 119,055,219 $ 2,560
Snettisham 1 (Long Lake) 1973 $ 88,000,000 $ 416,037,600 $ 2,134
Swan Lake (IDC) 1984 $ 96,171,483 $ 165,937,927 $ 2,074
Tyee (IDC) 1984 $ 128,691,456 $ 258,899,828 $ 1,992
Bradley Lake (IDC) 1991 $ 328,000,000 $ 565,943,650 $ 1,530
Snettisham 2 (Crater Lake) 1989 $ 65,000,000 $ 113,815,000 $ 1,084
Kasidaya 2008 $ 11 200 000 $ 11 536 000 $ 1 049Kasidaya 2008 $ 11,200,000 $ 11,536,000 $ 1,049
Lake Dorothy 2009 $ 78,520,419 $ 78,520,419 $ 1,047
Black Bear 1995 $ 11,000,000 $ 16,353,679 $ 737
Goat Lake 1997 $ 10,100,000 $ 14,737,583 $ 733
South Fork 2005 $ 3,700,000 $ 4,428,478 $ 692
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