Dick Shaffer Dick Shaffer Feb. 5, 2007 Feb. 5, 2007 Basin - PowerPoint PPT Presentation

Dick Shaffer Dick Shaffer Feb. 5, 2007 Feb. 5, 2007

Basin Electric Basin Electric Basin Electric proposes to build a proposes to build a proposes to build a second 100 MW second 100 MW second 100 MW Natural Gas fired Natural Gas fired Natural Gas fired Peaking Peaking Peaking Turbine Generator Turbine Generator Turbine Generator

Basin Electric Power Basin Electric Power Cooperative Cooperative A Touchstone Energy SM SM Parter A Touchstone Energy Parter

Basin Electric Power Cooperative Basin Electric Power Cooperative MEMBER SYSTEMS MEMBER SYSTEMS

2 0 0 6 Sum m er Capacity 2 0 0 6 Sum m er Capacity 2 0 0 6 Sum m er Capacity Renewable – 1% Renewable – 1% Purchases – 8% Purchases – 8% Oil – 4% Oil – 4% Gas – 6% Gas – 6% Coal – 81% Coal – 81%

A - Antelope Valley A - Antelope Valley E - WY Distributive Generation E - WY Distributive Generation A A F F B B G G E B - Leland Olds B - Leland Olds D D F - Dakota Gasification F - Dakota Gasification C C C - Laramie River C - Laramie River D - Spirit Mound D - Spirit Mound G - Groton Generation G - Groton Generation

W ind Resources W ind Resources Minot 3 MW Edgeley 40 MW North Dakota South Dakota Highmore 40 MW Chamberlain 2.6 MW

Commercial Commercial Suburban Suburban Ag Energy Ag Energy

East River East River East River Electric Electric Electric Power Power Power Cooperative Cooperative Cooperative Basin Basin Basin Service Service Service Area Area Area Groton Groton Groton Northern Electric Northern Electric Northern Electric Cooperative, Inc. Cooperative, Inc. Cooperative, Inc.

Major Growth Major Growth Major Growth Major Growth Major Growth Major Growth Areas Areas Areas Areas Areas Areas

ast River ast River E E

East River East River East River Total Summer Peak Total Summer Peak Total Summer Peak MW 900 900 800 800 • Keystone Pipeline – 40 MW • Keystone Pipeline – 40 MW 700 700 • Ethanol – 68 MW • Ethanol – 68 MW 600 600 • Grain/Poultry/Sugar – 20 MW • Grain/Poultry/Sugar – 20 MW 500 500 • Sioux Falls Area – 216 MW • Sioux Falls Area – 216 MW 400 400 300 300 200 200 2004 LF 2004 LF 100 100 2007 LF - Preliminary 2007 LF - Preliminary 0 0 1971 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005 2007 2009 2011 2013 2015 2017 2019 2021 1971 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005 2007 2009 2011 2013 2015 2017 2019 2021

Other Major Concerns Other Major Concerns Other Major Concerns • Low Hydro • Low Hydro • Loss of generator • Loss of generator • Transmission constraints • Transmission constraints • Ability to move power into the region • Ability to move power into the region

Groton Groton Groton Site Groton Site T Area Groton Groton Area Area Substation Substation Map Map Map NBPL NBPL NBPL NBPL

Site Plan Site Plan Groton Property Boundaries Groton 345 kV Groton 345 kV Groton 345 kV Substation Substation Substation Combustion Turbine Site WAPA 115 kV WAPA 115 kV WAPA 115 kV Substation Substation Substation

GE LMS100 GE LMS100 GE LMS100 Heavy-duty low pressure 5-Stage Power compressor derived from Turbine GE’s Frame Technology LM Aero Super core To Intercooler

Approxim ate W ater Approxim ate W ater Approxim ate W ater Usage Usage Usage • NOx control ~ 50 gpm • NOx control ~ 50 gpm • Evaporative cooling ~ 25 gpm • Evaporative cooling ~ 25 gpm

33- -90 90 dBA dBA Survey Survey 33 33-90 dBA Survey 54 dBA Est. Project Noise 54 dBA Est. Project Noise 54 dBA Est. Project Noise 46- 46 -60 dBA 60 dBA 46-60 dBA Survey Survey Survey 65 dBA 65 dBA 65 dBA Guarantee Guarantee Guarantee Sound Sound Sound Level Level Level Survey Survey Survey 85 dBA 85 dBA Guarantee Guarantee

Typical Noise Levels Typical Noise Levels Typical Noise Levels Typical Noise Source Noise Level (dBA) Ambulance siren at 100 feet 100 Motorcycle at 25 feet 90 Typical construction site 85 Single truck at 25 feet 80 Urban shopping center 70 Single car at 25 feet 65 Typical highway at 100 feet 60 Residential area during the day 50 Residential area at night 40 Rural area during the day 40 Rural area at night 35 Quiet whisper 30 Threshold of hearing 20 Source: USEPA, 1974, Harris 1991, and Bell 1982 Source: USEPA, 1974, Harris 1991, and Bell 1982

Construction Manpow er Construction Manpow er Construction Manpow er • 105-145 • 105-145 • 40% to 60% Local • 40% to 60% Local Long- - term Em ploym ent term Em ploym ent Long Long-term Em ploym ent 2 existing & 1 or 2 2 existing & 1 or 2 • • additional full-time positions additional full-time positions

Perm itting/ Environm ental Perm itting/ Environm ental Perm itting/ Environm ental • Special exception permit • Special exception permit • Air quality permit • Air quality permit • Environmental Assessment • Environmental Assessment • SD Public Utility Commission • SD Public Utility Commission

Schedule Schedule Schedule • Summer 2007 – Start Construction • Summer 2007 – Start Construction • April 2008 – First fire • April 2008 – First fire • June 2008 – Commercial operation • June 2008 – Commercial operation