Expert Testimony

Answer Testimony in Colorado Public Utilities Commission Proceeding No. 24A-0442E

Why small modular reactors, gas turbines with carbon capture, and burning hydrogen in turbines will not be effective and efficient tools for decarbonization.

Cross-Answer Testimony in Wyoming Public Service Commission Docket No. 20000-616-EA-22

The risks associated with the potential retrofitting of Rocky Mountain Point Company's Dave Johnson Unit 4 and Jim Bridger Units 3 and 4 for carbon capture and storage or reuse.

Direct Testimony in Public Service Commission of Wyoming Docket No. 20000-616-EA-22

The risks associated with the potential retrofitting of Rocky Mountain Power Company's Dave Johnson Unit 4 and Jim Bridger Units 3 and 4 for carbon capture and storage or resuse

Surrebuttal Testimony in Arizona Corporation Commission Docket No. E-01345-19-0236

Why the Four Corners Coal Plant can and should be retired earlier than 2031.

Direct Testimony in Arizona Corporation Commission Docket No. E-01345-19-0236

Why the Four Corners Coal Plant can and should be retired earlier than 2031.

Rebuttal Testimony in New Mexico Public Regulation Commission Case No. 19-00195-UT

Whether retrofitting San Juan Generating Station with a system to capture the plant's CO2 emissions and then selling the captured CO2 for Enhanced Oil Recovery is financially feasible.

Rebuttal Testimony in New Mexico Public Regulation Commission Case No. 19-00018-UT

Why retrofitting San Juan Generating Station with a system to capture the plant's CO2 emissions and then selling the captured CO2 for Enhanced Oil Recovery is not financially feasible.

Direct Testimony before the Indiana Utility Regulatory Commission in Cause No. 45253

Continued operation of the Edwardsport plant as an Integrated Gasification Combined Cycle facility is not in the economic interest of Duke Energy Indiana's ratepayers.

Direct Testimony before the Montana Public Service Commission Docket No. D.2018.12

Whether $303 million represents the fair market value of NorthWestern Energy's 30 percent ownership share of Colstrip Unit 4.

Testimony on Proposed Settlement in Indiana Utility Regulatory Commission Cause No. 43114 IGCC-17

The operating performance of the Edwardsport Integrated Gasification Combined Cycle Plant, and the economic impact that the plant has had, and will continue to have, on Duke Energy Indiana's ratepayers.

Declaration in Case No. 18-50757 in the United States Bankruptcy Court, Northern District of Ohio, Eastern Division

Whether FirstEnergy Solutions, Inc. would have sufficient assets to properly and completely decommission and environmentally clean up and remediate the sites of three coal plants after they were retired.

Direct Testimony in Indiana Utility Regulatory Commission Cause No. 43114 IGCC-17

The operating performance of the Edwardsport Integrated Gasification Combined Cycle Plant, and the economic impact that the plant has had, and will continue to have, on Duke Energy Indiana's ratepayers.

Direct Testimony in West Virginia Public Service Commission Case No. 17-0296-E-PC

Why Monongahela Power's proposed acquisition of the 1,300 MW Pleasants Coal Plant would not benefit the company's ratepayers.

Direct Testimony in Indiana Utility Regulatory Commission Docket No. 44794

The economy viability of Indianapolis Power & Light's proposed environmental upgrades at the Petersburg Coal Plant Units 1-4.

Direct Testimony in Montana Public Service Commission Docket Nos. D2013.5.33, D2014.5.46

NorthWestern Energy did not act prudently in seeking to recover replacement power costs from its ratepayers without first seeking recovery of those costs from a contractor whose mistaken actions caused the extended outage of Colstrip Unit 4 from July 1, 2013 through January 23, 2014

Direct Testimony in Indiana Utility Regulatory Commission Cause Nos. 43114 IGCC 12 & 13

Whether Duke Energy Indiana's Edwardsport IGCC Project was in service between June 7, 2013 and March 31, 2014 and the project's current operational performance and cost status, and future prospects.

Testimony in Arizona Corporation Commission Docket No. E-01933A-12-0291

Why the Commission should reject Tucson Electric Power's proposed Environmental Compliance Adjustor and, instead, require the Company to seek recovery of environmental compliance expenditures by demonstrating prudence in a general rate case.

Rebuttal Testimony in U.S. Nuclear Regulatory Commission Docket Nos. 50-247-LR; 50-286-LR

Reply to testimony filed by Entergy Nuclear and NRC staff concerning the relicensing of Indian Point reactors 2 and 3.

Testimony in Arizona Corporation Commission Docket No. E-01345A-10-0474

The reasonableness of Arizona Public Service Company's proposed acquisition of Southern California Edison's share of Four Corners Units 4 and 5.

Supplemental Cross-Answer Testimony in Public Utilities Commission of Colorado Docket No. 10M-245E

Docket No. 10M-245E
The reasonableness of Public Service of Colorado's proposed Emissions Reduction Plan

Supplemental and Settlement Testimony in Indiana Utility Regulatory Commission Cause No. 43114 IGC-4-SI

43114 IGCC 4S1
Duke Energy Indiana's gross mismanagement of the resource planning for its proposed Edwardsport Integrated Combined Cycle (IGCC) Project and its failure to disclose the risks and sigificance of higher estimated construction costs.

Cross-Answer Testimony in Public Utilities Commission of Colorado Docket No. 10M-245E

Docket No. 10M-245E
The reasonableness of Public Service of Colorado's proposed Emissions Reduction Plan.

Answer Testimony in Public Utilities Commission of Colorado Docket No. 10M-245E

Docket No. 10M-245E
The reasonableness of Public Service of Colorado's proposed Emissions Reduction Plan

California Public Utilities Commission

Docket No. 10-01-022
Application of Pacific Gas & Electric to recover the costs associated with the renewal of the operating licenses for the company's Diablo Canyon Nuclear Power Plants

Indiana Utility Regulatory Commission

Cause No. 43114 IGCC-S4
Reasonableness of Duke Energy Indiana's new analyses of the economics of completing Edwardsport as an IGCC plant.

South Dakota Public Utilities Commission

Case No. EL-09-018
The reasonableness of Black Hills Power Company's 2007 Integrated Resource Plan and the prudence of the Company's decision to build the Wygen III coal-fired power plant

North Carolina Utilities Commission

Docket No. E-100, Sub 124
The reasonableness of the 2009 Integrated Resource Plans of Duke Energy Carolinas and Progress Energy Carolinas

Public Service Commission of Wisconsin

Docket No. 05-CE-137
Surrebuttal Testimony on the costs and risks associated with the proposed installation of emissions control equipment at the Columbia 1 and 2 coal-fired power plants

Mississippi Public Service Commission

Docket No. 2009-UA-014
The costs and risks of the proposed Kemper County Integrated Gasification Combined Cycle power plant

Public Service Commission of Wisconsin

Docket No. 05-CE-137
Direct Testimony on the costs and risks associated with the proposed installation of emissions control equipment at the Edgewater Unit 5 coal-fired power plant

Public Service Commission of Wisconsin

Docket No. 05-CE-138
Surrebuttal Testimony on the costs and risks associated with the proposed installation of emissions controls at the Columbia 1 and 2 coal-fired power plants

Public Service Commission of Wisconsin

05-CE-138
Supplemental Direct Testimony on the costs and risks associated with the proposed installation of emissions control equipment at the Columbia 1 and 2 coal-fired power plants

Public Service Commission of Wisconsin

Docket No. 05-CE-138
Rebuttal Testimony on the costs and risks associated with the proposed installation of emissions control equipment at the Columbia 1 and 2 coal-fired power plants

Public Service Commission of Wisconsin

Docket No. 05-CE-138
Direct Testimony on the risks and costs associated with the proposed installation of emissions control equipment at the Columbia 1 and 2 coal-fired power plants

U.S. Nuclear Regulatory Commission

Docket Nos. 50-247-LR, 50-286-LR
Supplemental Declaration on the available options for replacing the power generated at Indian Point Unit 2 and/or Unit 3

Georgia Public Service Commission

Docket No. 27800-U
The possible costs and risks of proceeding with the proposed Plant Vogtle Units 3 and 4 nuclear power plants

Minnesota Public Utilities Commission

Docket No. CN-05-619
November 6, 2008 Rebuttal Testimony on the Boston Pacific report concerning the proposed Big Stone II coal-fired generating plant

Minnesota Public Utilities Commission

Docket No. CN-05-619
November 11, 2008 Surrebuttal Statement concerning the proposed Big Stone II coal-fired generating plant

Public Service Commission of Wisconsin

Docket No. 6680-CE-170
Surrebuttal Testimony on the risks associated with the proposed Nelson Dewey 3 baseload coal-fired power plant

Public Service Commission of Wisconsin

Docket No. 6680-CE-170
Direct Testimony on the risks associated with the proposed Nelson Dewey 3 baseload coal-fired power plant

Public Service Commission of Maryland

Case 9127
The estimated cost of the proposed Calvert Cliffs Unit 3 nuclear power plant

Indiana Utility Regulatory Commission

Cause No. 43114 IGCC-1
The estimated cost of Duke Energy Indiana's Edwardsport IGCC Project

North Dakota Public Service Commission

Case Nos. PU-06-0481 and 482
Supplemental Direct Testimony on whether the participation of Otter Tail Power Company and Montana-Dakota Utilities in the Big Stone II Generating Project was prudent

Minnesota Public Utilities Commission

Docket No. CN-05-619
January 24, 2008 Supplemental Statement on the proposed Big Stone II coal-fired generating plant

Ohio Power Siting Board

Case No. 06-1358-EL-BGN
AMP-Ohio's application for a Certificate of Environmental Compatibility and Public Need for a 960 MW pulverized coal generating facility

Minnesota Public Utilities Commission

Docket No. CN-05-619
December 21, 2007 Supplemental Testimony on the proposed Big Stone II coal-fired generating plant

Virginia State Corporation Commission

Case No. PUE-2007-00066
Whether Dominion Virginia Power adequately considered the risks associated with building the proposed Wise County coal-fired power plant and whether the Commission should grant a certificate of public convenience and necessity for the plant

U.S. Nuclear Regulatory Commission

Docket Nos. 50-247-LR, 50-286-LR
The available options for replacing the power generated at Indian Point Unit 2 and/or Unit 3

West Virginia Public Service Commission

Case No. 06-0033-E-CN
Appalachian Power Company's application for a Certificate of Public Convenience and Necessity for a 600 MW Integrated Gasification Combined Cycle generating facility

Iowa Utility Board

Docket No. GCU-07-01
Whether Interstate Power & Light Company adequately considered the risks associated with building a new coal-fired power plant and whether that Company's participation in the proposed Marshalltown plant is prudent

Louisiana Public Service Commission

Docket No. U-30192
The reasonableness of Energy Louisiana's proposal to repower the Little Gypsy Unit 3 generating facility as a coal-fired power plant

Arkansas Public Service Commission

Docket No. 06-154--U
The probable economic impact of Southwestern Electric Power Company's proposed Turk coal-fired power plant

Public Service Commission of Wisconsin

Docket No. 6630-EI-113
Surrebuttal Testimony on whether the proposed sale of the Point Beach Nuclear Plant to FPL Energy Point Beach, LLC, is in the interest of the ratepayers of Wisconsin Electric Power Company

Public Service Commission of Wisconsin

Docket No. 6630-EI-113
Surrebuttal Testimony on whether the sale of the Point Beach Nuclear Plant to FPL Energy Point Beach, LLC, is in the interest of the ratepayers of Wisconsin Electric Power Company

North Dakota Public Service Commission

Case Nos. PU-06-0481 and 482
May 2007 Testimony on whether the participation of Otter Tail Power Company and Montana-Dakota Utilities in the Big Stone II Generating Project was prudent

Public Service Commission of Wisconsin

Docket No. 6630-EI-113
Whether the proposed sale of the Point Beach Nuclear Plant to FPL Energy Point Beach, LLC, is in the interest of the ratepayers of Wisconsin Electric Power Company

Indiana Utility Regulatory Commission

Cause No. 43114
Direct Testimony on the appropriate CO2 emissions prices that should be used to analyze the relative economic costs and benefits of Duke Energy Indiana's proposed Integrated Gasification Combined Cycle Facility and whether Duke has appropriately modeled the capital cost of the proposed facility in its modeling analyses

Florida Public Service Commission

Docket No. 070098-EI
Direct Testimony on Florida Light & Power Company's need for and the economics of the proposed coal-fired Glades Power Park

Florida Public Service Commission

Docket No. 070098-EI
Supplemental Testimony on Florida Power & Light Company's need for and the economics of the proposed coal-fired Glades Power Park

North Carolina Utilities Commission

Docket No. E-7, Sub 790
Supplemental Testimony on Duke's need for two 800 MW coal-fired generating units and the relative economics of adding these facilities as compared to other available options including energy efficiency and renewable technologies

Michigan Public Service Commission

Case No. 14992-U
The reasonableness of the proposed sale of the Palisades Nuclear Power Plant

Minnesota Public Utilities Commission

Docket No. CN-05-619
November 29, 2006 Direct Testimony on the proposed Big Stone II coal-fired generating plant

Minnesota Public Utilities Commission

Docket No. CN-05-619
November 17, 2006 Testimony on Greenhouse Gas Issues related to the proposed Big Stone II coal-fired generating plant

North Carolina Utilities Commission

Docket No. E-7, Sub 790
Direct Testimony on Duke's need for two 800 MW coal-fired generating units and the relative economics of adding these facilities as compared to other available options including energy efficiency and renewable technologies

Arizona Corporation Commision

Docket No. E-01345A-0816
Surrebuttal testimony on whether Arizona Public Service Company's acquisition of the Sundance Generating Station was prudent and the reasonableness of the amounts that APS requested for fossil plant O&M

Arizona Corporation Commision

Docket No. E-01345A-0816
Direct Testimony on whether Arizona Public Service Company's acquisition of the Sundance Generating Station was prudent and the reasonableness of the amounts that APS requested for fossil plant O&M

South Dakota Public Utilities Commission

Case No. EL05-022
Supplemental Testimony on whether the co-owners of the proposed Big Stone II coal-fired generating plant appropriately reflected the potential for the regulation of greenhouse gases in their analyses of the alternatives to the proposed facility; the need and timing for new supply options in the co-owners' service territories; and whether there are alternatives to the proposed facility that are technically feasible and economically cost-effective

South Dakota Public Utilities Commission

Case No. EL05-022
Direct Testimony on whether the co-owners of the proposed Big Stone II coal-fired generating plant appropriately reflected the potential for the regulation of greenhouse gases in their analyses of the alternatives to the proposed facility; the need and timing for new supply options in the co-owners' service territories; and whether there are alternatives to the proposed facility that are technically feasible and economically cost-effective

Georgia Public Service Commission

Docket No. 22449-U
Georgia Power Company's request for an accounting order to record early site permitting and construction operating license costs for new nuclear power plants

California Public Utilities Commission

Dockets Nos. A.05-11-008 and A.05-11-099
The estimated costs for decommissioning the Diablo Canyon, SONGS 2&3 and Palo Verde nuclear power plants and the annual contributions that are needed from ratepayers to assure that adequate funds will be available to decommission these plants at the projected ends of their service lives

Iowa Utility Board

Docket No. SPU-05-15
Surrebuttal Testimony on the reasonableness of IPL's proposed sale of the Duane Arnold Energy Center nuclear plant

Iowa Utility Board

Docket No. SPU-05-15
Direct Testimony on the reasonableness of IPL's proposed sale of the Duane Arnold Energy Center nuclear plant

Arkansas Public Service Commission

Docket No. 05-042-U
Surrebuttal Testimony on Arkansas Electric Cooperative Corporation's proposed purchase of the Wrightsville Power Facility

Arkansas Public Service Commission

Docket No. 05-042-U
Direct Testimony on Arkansas Electric Cooperative Corporation's proposed purchase of the Wrightsville Power Facility

California Public Utilities Commission

Application No. AO4-02-026
Supplemental Testimony on Southern California Edison's proposed replacement of the steam generators at the San Onofre Unit 2 and Unit 3 nuclear power plants and whether the utility was imprudent for failing to initiate litigation against Combustion Engineering due to defects in the design of and materials used in the plants' original steam generators

California Public Utilities Commission

Application No. AO4-02-026
Direct Testimony on Southern California Edison's proposed replacement of the steam generators at the San Onofre Unit 2 and Unit 3 nuclear power plants and whether the utility was imprudent for failing to initiate litigation against Combustion Engineering due to defects in the design of and materials used in the plants' original steam generators

California Public Utilities Commission

Application No. AO4-01-009
Direct Testimony on Pacific Gas & Electric's proposed replacement of the steam generators at the Diablo Canyon nuclear power plants and whether the utility was imprudent for failing to initiate litigation against Westinghouse due to defects in the design of and materials used in the plants' original steam generators

Public Service Commission of Wisconsin

Docket No. 6690-CE-187
Surrebuttal Testimony on whether Wisconsin Public Service Corporation's request for approval to build a proposed 515 MW coal-fired generating facility should be granted

Public Service Commission of Wisconsin

Docket No. 6690-CE-187
Testimony on EIS Issues related to Wisconsin Public Service Corporation's request for approval to build a proposed 515 MW coal-fired generating facility

Public Service Commission of Wisconsin

Docket No. 6690-CE-187
Direct Testimony on whether Wisconsin Public Service Corporation's request for approval to build a proposed 515 MW coal-fired generating facility should be granted

Public Service Commission of Wisconsin

Docket No. 05-EI-136
Surrebuttal Testimony on whether the proposed sale of the Kewaunee Nuclear Power Plant to a subsidiary of an out-of-state holding company is in the public interest

Public Service Commission of Wisconsin

Docket No. 05-EI-136
Direct Testimony on whether the proposed sale of the Kewaunee Nuclear Power Plant to a subsidiary of an out-of-state holding company is in the public interest

Arizona Corporation Commision

Docket No. E-01345A-03-0437
Whether Arizona Public Service Company should be allowed to acquire and include in rate base five generating units that were built by a deregulated affiliate

Public Service Commission of Wisconsin

Case 6690-UR-115
The reasonableness of Wisconsin Public Service Corporation's decommissioning cost collections for the Kewaunee Nuclear Plant

Oklahoma Corporation Commission

Case No. 2003-121
Whether Empire District Electric Company properly reduced its capital costs to reflect the write-off of a portion of the cost of building a new electric generating facility

Arkansas Public Service Commission

Docket No. 02-248-U
Entergy's proposed replacement of the steam generators and the reactor vessel head at the ANO Unit 1 Steam Generating Plant

Arizona Corporation Commision

Docket No. E-01345A-01-0822
The reasonableness of Arizona Public Service Company's proposed long-term power purchase agreement with an affiliated company

Vermont Public Service Board

Case No. 6545
Whether the proposed sale of the Vermont Yankee Nuclear Plant to Entergy is in the public interest of the State of Vermont and Vermont ratepayers

Illinois Commerce Commission

Docket No. 00-0361
The impact of nuclear power plant life extensions on Commonwealth Edison Company's decommissioning costs and collections from ratepayers

Vermont Public Service Board

Docket No. 6300
Whether the proposed sale of the Vermont Yankee Nuclear Plant to AmerGen Vermont is in the public interest

Maryland Public Service Commission

Dockets Nos. 8794/8804
Baltimore Gas and Electric Company's proposed replacement of the steam generators at the Calvert Cliffs Nuclear Power Plant and the future performance of the Company's nuclear units

Arkansas Public Service Commission

Docket No. 98-065-U
Entergy's proposed replacement of the steam generators at the ANO Unit 2 Steam Generating Plant

Public Service Commission of Wisconsin

Cases 6630-CE-197 and 6630-CE-209
The reasonableness of the project cost and schedule for the replacement of the steam generators at the Point Beach Nuclear Power Plant and the potential impact of plant aging on future operating costs and performance

Connecticut Department of Public Utility Control

Docket No. 92-04-15
Northeast Utilities' management of the 1992/1993 replacement of the steam generators at Millstone Unit 2

New York State Public Service Commission

Case No. 28166
Whether the January 25, 1982 steam generator tube rupture at the Ginna Nuclear Plant was caused by mismanagement