Transcript Yards Creek Overview - Asia-Pacific Partnership on Clean

Asia Pacific Partnership
United States of America
Power Generation Task Force
August 13 – 17, 2007
Yards Creek Overview
J. Geuther, Manager Yards Creek
Yards Creek Overview

400MW Pumped-Storage Station

3 Identical Units

Commissioned 1965

Three year Construction

Jointly Owned

Remotely Dispatched
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
2
Yards Creek Overview

Upper Reservoir
– 163 Acres
– 4763 AF Power Storage
– 49’ Elevation Variation

Lower Reservoir
– 302 Acres
– 4763 AF Power Storage + Seasonal Storage
– 18’ Elevation Variation

Auxiliary Reservoir
– 380 AF Seasonal Storage
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
3
Yards Creek Overview

3000MWH Energy Storage

Peak Load Generation

Load Regulation

Voltage Support

Black Start Capability
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
4
Equipment Suppliers

BLH Pump-Turbines—American Hydro Runners

Pelton Governors

GE Motor-Generators—National Electric Coil Rewinds

GE EX2000 Voltage Regulators

Allis-Chalmers Spherical Valves

Siemens 3AF Vacuum 14.4kv Generator Breakers

Siemens 230kv GCB’s

Westinghouse 144MVA Step-up Transformers

Delta Star 230kv Phase Reversal Switches

375kva Emergency Generator
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
5
Operation

Upgraded Pump-Turbines—6% Efficiency Gain

750,000+MWH Annual Generation

Equivalent Forced Outage Rate (EFOR) < 1%

High Starting Reliability
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
6
Daily Cycling

7 hours Generation at Maximum Output

9 hours to refill Upper Reservoir

600 Generate Starts/Year per Unit
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
7
Staffing

On-site Staffing
– 6 Hydro-Technicians
– 1 Administrative
– 2 Management

Corporate Support
–
–
–
–
–

Engineering
Environmental
Administrative
IT
Legal
Other
– Contract Labor Services
– Security Services
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
8
Priorities

Safety

Environmental and Regulatory Compliance
– Federal Energy Regulatory Commission (FERC)
– New Jersey Department of Environmental Protection
(NJDEP)
– Delaware River Basin Commission

Reliability

Cost Effective Operations
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
9
Operations

Remotely Dispatched from Reading, PA.

Automated with Local Operation Capability

Alarms are Remotely Telemetered

Reservoir Levels are Remotely Telemetered

5 Minute Generate Starting

10 Minute Pump Startup—Across Line Start
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
10
P/G Cycle Efficiency

Original = 67%

New Runners = 73%
P/G Ratio
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
1967
1970
1973
1976
1979
1982
1985
1988
1991
1994
1997
2000
2003
2006
1.7000
1.6000
1.5000
1.4000
1.3000
1.2000
Yards Creek Overview
11
Significant Projects

Pump-Turbine Upgrades – 70 MW increase
– Unit No. 1 1995
– Unit No. 2 1993
– Unit No. 3 1996

Motor-Generator Rewinds
– Unit No. 1 1996
– Unit No. 2 1997
– Unit No. 3 1996

230kv Gas Circuit Breaker Replacements
– Unit No. 1 2005
– Unit No. 2 2005
– Unit No. 3 2006
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
12
Significant Projects

Voltage Regulator Replacement
– Unit No. 1 2001
– Unit No. 2 2001
– Unit No. 3 2001

Penstock Interior Inspection and Painting--1995
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
13
Turbine Upgrades

Replacement runners

Modified/new wicket gates

Modified stayvane

Modified draft tube

New wicket gate linkage

Reinforcement of stayring bolting flange

Greaseless wicket gate bushings
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
13
Stator Rewinds

Unplanned Outages after
20yrs Service

Achieved Increased
Capability
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
14
230kv GCB Replacement

Unplanned Outages after 20yrs Service

Achieved Increased Capability
Asia Pacific Partnership • Aug 13 - 17, 2007
FirstEnergy Corp. & Duke Energy Corporation
Yards Creek Overview
15