Edwardsport Plant

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Edwardsport Plant is an IGCC plant in Edwardsport, Indiana. The nameplate capacity is 804.5 megawatts (MW).[1] Duke Energy lists the capacity of the plant as 618 MW.[2] The plant began operation in June 2013,[3] replacing Duke Energy's former 160-megawatt Edwardsport Generating Station (existing).[4] The new plant cost US$3.5 billion to build, after initially being estimated at US$1.9 billion.[5]

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In 2006, Duke Energy and Vectren proposed the Edwardsport coal plant to be built in Knox County, Indiana, intended to replace two existing oil and coal plants built in the 1940’s, the Edwardsport Generating Station (retired). There is significant opposition to the plant, both because the concentration of coal generators in this area is one of the highest in the world, and because the local power needs have already been met.

May 2007 update: Environmental and consumer groups – including Citizens Action Coalition of Indiana, Save the Valley, the Sierra Club and Valley Watch – testified that the proposed plant is not the best available option. These groups have urged the Indian Utility Regulatory Commission (IURC) to direct Duke Energy/Vectren towards energy efficiency and renewable power. Among the many objections to the plant is the significant potential for wind generation in Indiana, which could meet or exceed the energy capacity of the new Edwardsport plant. The IURC approved the plant on Nov. 20, 2007. An air permit from the Indiana Dept. of Environmental Management (IDEM) is still pending; the comment period for the IDEM hearing closes Dec. 31, 2007, but the Citizen’s Action Coalition is trying to get that deadline extended until February. [6]

April 2008 update: The Sierra Club filed suit in federal court in Indiana seeking to hold Duke Energy accountable for failing to install modern pollution controls at the existing Edwardsport plant. According to the Clean Air Act, coal-fired power plants are required to install modern pollution controls when they upgrade the rest of the facility, something the Sierra Club contends Duke has not done.[7]

May 2008 update: Duke Energy announced that the new IGCC plant would cost $2.35 billion, an increase of $365 million from earlier estimates. If approved, the overage would be paid for by a 2 percent rate increase between 2008 and 2013.[8] Duke has been given a grant of $1 million from the U.S. Department of Energy's Regional Carbon Sequestration Partnership Program "to study the permanent storage of carbon dioxide from the plant near the site."[9]

October 2008 update: Three citizen and environmental groups filed a request for public record disclosure to obtain records detailing Governor Daniels' actions in promoting Duke Energy's proposed Edwardsport power plant. The Hoosier Chapter of the Sierra Club, Citizens Action Coalition, and Valley Watch are seeking to determine whether the Daniels administration and the Indiana Utility Regulatory Commission (IURC) violated ratepayer protections in an effort to fasttrack the new plant. The citizen groups want to reveal the level of financial support received from Duke Energy in support of the Governor's energy summit, which was held in Indianapolis two months before the election. The groups are also looking for any evidence of improper communications between Duke and the IURC.[10]

January 2009 update: Indiana Utility Regulatory Commission approved Duke's request to pass increased construction costs for the plant on to its Indiana customers. The ruling clears the way for Duke to raise rates by 18 percent over the next five years.[11]

May 2009 update: Under the proposed Waxman-Markey Climate Bill, two Duke Energy plants - Cliffside and Edwardsport - are exempted from new pollution regulations. The bill has been criticized because Duke Energy helped draft the US-CAP blueprint that provided the basis for bill, and CEO Jim Rogers testified before the House Energy and Commerce Committee hearings on the bill.[12]

July 2009 update: Duke filed a proposal for a carbon dioxide storage project with the Indiana Utility Regulatory Commission. The company would invest over $120 million to store a portion of the CO2 emissions from the Edwardsport plant in saline aquifers and in depleted oil and gas fields. The experiment would result in an average 1 percent rate increase for customers between 2010 and 2013. Duke is also applying for a federal grant to cover about half of the project's costs. If the project is successful, Duke will apply to capture and store the emissions on a permanent basis.[13]

October 2009 update: Construction on the plant is about 30 percent complete. Duke expects to have the plant in service in 2012.[14]

November 2009 update: Duke announced that the construction costs for Edwardsport have increased at least six percent. The company said building the plant would cost at least an extra $150 million. Originally the company estimated a 17 percent rate increase to cover construction costs.[15]

April 2010 Update: Duke Energy Indiana filed testimony and exhibits with the Indiana Utility Regulatory Commission increasing the cost estimate for the Edwardsport coal gasification plant under construction, adding approximately $530 million to the previously approved $2.35 billion cost. Indiana state utility regulators must review and approve Duke Energy Indiana’s filing before any new costs can be phased into customer electric rates. If approved, the increase in costs will add about 3 percent to the project’s customer rate impact, and an overall average 19 percent rate increase by 2013.[16]

July 2010 Update: Duke is marketing $500 million of bonds to help fund the power facility’s construction and to repay bank debt. The 10-year first-mortgage bonds may be sold as soon as July 6, 2010, and pay about 80 basis points more than similar-maturity Treasuries, according to a person familiar with the transaction. A portion of proceeds from the debt sale will be used to fund the coal plant’s construction, said Tom Shiel, a spokesman for Duke Energy Corp. The Edwardsport plant is more than 55 percent complete, and is expected to be operational in 2012.[17]

October 2010: Update: Following an alleged ethics violation, Indiana Governor Mitch Daniels fired the state regulatory chairman Dave Lott Hardy and Duke Energy placed two employees on paid leave. The firing was made after it was discovered that the regulatory chairman did not removes himself from reviewing Duke Energy matters despite the fact that he was in discussions with the company about working for them.[18]

November 2010 Update: State regulators met the first week of November to consider Duke Energy's rate hike request. The plant's cost is now estimated at nearly three billion dollars, twice its original estimate. The Indiana Utility Regulatory Commission (URC) will hold a hearing on Nov. 3 in Indianapolis.[19] Governor Mitch Daniels later fired the URC’s chairman David Lott Hardy for allowing agency official Scott Storms to continue presiding over the case even after talking with Duke about a job opportunity, which Storms took in September 2010. Additionally, later Duke Energy fired Indiana president Michael Reed and staff attorney Scott Storms, following the ethics scandal.[20]

December 2010 Update: Duke puts former URC official Scott Storms and Mike Reed, the Duke Energy Indiana president who hired him, on administrative leave. Afterward, e-mails obtained by the Indianapolis Star showed that Jim Turner, who headed Duke’s regulated utilities, discussed Storms and Reed with former commission chairman David Hardy, both of whom were dismissed over the ethics issues. Turner and Reed were part of the team that negotiated the settlement with the Indiana Utility Customer Counsel, the Duke Energy Indiana Industrial Group and Nucor Steel Indiana, so Duke Energy withdrew a proposed settlement worked out with with the Indiana customer groups. The company and groups hope to negotiate a new settlement that will not be tainted by the ethics inquiries.[21] On December 6, 2010, James Turner resigned.[22]

January 2011 Update: In a confidential letter to Duke dated Oct. 5, 2010, project manager Brian Hartman of engineering contractor Bechtel Corp., wrote that Duke had taken "significant risks" with the project, in violation of its contract with Bechtel. The risks included limiting oversight and monthly reports, consolidating functions, reducing documentation, and taking personnel action against Bechtel management's recommendations, in the name of expediency. Duke, in turn, had rated Bechtel's performance on the project as "very low" in an internal e-mail. In another email, top Duke executive Richard W. Haviland had said of the many accidents at the project: "We need an exorcist on this job." The letters and emails were among dozens between the companies released after a filing was made by a collection of consumer and environmental groups, who want the state to investigate whether Duke mismanaged the project, committed fraud, or concealed vital facts. If the groups can prove that, Duke would have to absorb a large portion of the construction costs, without passing them along to ratepayers.[23]

Meanwhile, some are questioning a timetable for approving the plant, saying it leaves too little time for public input. The Indiana Utility Regulatory Commission's schedule for the plant would conclude hearings by early May 2011, which attorneys say appears expedited. The Indianapolis Star reported that the timetable was largely put together part by Randolph Seger, an Indianapolis lawyer representing the Indiana Finance Authority, which has a 30-year deal to buy the plant's synthetic natural gas. Seger has said the project is a "good one for Indiana and the benefits should be realized as quickly as possible."[24]

March 2011 Update: On March 11, 2011, Duke asked state regulators to approve the company's newly drafted plan to cap at $2.72 billion, and Duke Indiana President Doug Easamann said the company remains committed to completing the 618-megawatt Edwardsport plant despite growing protests about the overruns and ethics issues involving the regulatory approval process.[25]

July 2011 Update: The Indiana Office of Utility Consumer Counselor rejects Duke Energy's request for an extra $530 million to recover more of the cost overruns of the Edwardsport plant: "Duke has not demonstrated any budgetary constraints on this project," the office's Barbara Smith wrote in pre-filed testimony to the commission. "There appears to be a lack of responsibility or accountability on the part of those causing these multi-million dollar cost overruns. In addition, there has been no evidence presented to indicate that Duke management, or any other entity, has conducted any kind of timely prudency review regarding these cost overruns."[26] On July 15, Indianapolis-based uitility watchdog Citizens Action Coalition (CAC) filed copies of e-mails pointing to numerous meetings between top Duke executives and former IURC chairman David Hardy, and said the emails show the Duke executives secretly informed Hardy that costs for the coal-gasification plant, initially projected at $1.9 billion, had escalated to $2.88 billion. Such back-channel, “ex parte” communications with the head of regulatory agency are considered highly inappropriate, if not illegal, CAC officials said. The CAC wants Duke to cancel the Edwardsport project. Duke did not yet file testimony in response.[27]

October 2011 Update: On October 20, 2011, Duke Energy said the price tag of the plant will climb $200 million, to $2.98 billion, but that the utility will pay for the latest overruns out of its own pocket, rather than seek to pass them along to customers in the form of higher electricity bills.[28] State regulators are scheduled to begin hearings in late October 2011 on whether Duke Energy or Indiana ratepayers will cover the more than $1 billion in cost overruns. The state ruled that former IURC counsel Scott Storms violated Indiana ethics laws by making judicial decisions regarding Duke and Edwardsport while making plans to work for the company. The ethics commission fined Storms and stripped him of his law license. Storms has since appealed the rulings.[29]

March 2012 Update: In March 2012 the Indiana Utility Regulatory Commission considered opening up additional documents about Duke Energy. Citizens Action Coalition urged the commission to open the documents since, as they claimed, Duke had not been consistent about classifying some material, and some designated as confidential has shown up on websites and in newspapers.[30]

December 2012: Indiana Utility Regulatory Commission capped the amount of construction costs Duke Energy Corp. can pass on to consumers at $2.6 billion.[31]

June 2013: The plant began operating, burning 1.7 to 1.9 million tons of Indiana and Midwestern coal per year.[4] The new plant cost US$3.5 billion to build.[5]

February 2015: The plant's output has rarely risen above 50 percent. In 2014 the plant generated about 15 percent of capacity in September, 27 percent in October, 71 percent in November and 20 percent in December. The 2012 settlement capped construction but not operating and maintenance fees that Duke may charge consumers. The Indiana Office of Utility Consumer Counselor wants regulators to prevent Duke from passing along US$63.2 million in operating costs to consumers, and have the utility refund US$51.6 million already paid by Indiana customers, including additional fees in the utility's rates since September 2013.[32]

September 2015: Duke Energy agreed to absorb another US$85 million in costs associated with the plant under a settlement with the state’s utility consumer counselor and large industrial customers. A 2012 settlement between Duke Energy and consumer groups required the company to pay about US$900 million in plant construction cost overruns.[33]

Project Details

Sponsor: Duke Energy/Vectren
Location: Edwardsport, Knox County, Indiana
Coordinates: 38.7975064,-87.2504884 (exact)
Size: 804.5 MW
Type: IGCC
In service: 2013
Status: Operating


Citizen Groups



  1. Form EIA-860, U.S. Energy Information Administration, accessed January 2016
  2. "Edwardsport Integrated Gasification Combined Cycle (IGCC)," Duke Energy, accessed January 2016
  3. "Commercial operation underway at coal plant," Inside Indiana Business, June 10, 2013
  4. 4.0 4.1 "Edwardsport Integrated Gasification Combined Cycle (IGCC)," Due Energy, accessed August 2015
  5. 5.0 5.1 John Russell, "Customers may have to pay for problems at new power plant," Indy Star, June 14, 2015
  6. "Stopping the Coal Rush", Sierra Club, accessed December 2007. (This is a Sierra Club list of new coal plant proposals.)
  7. "Sierra Club Challenges Duke Energy", Sierra Club Indiana, March 31, 2008.
  8. "Duke Energy Revises Cost Estimate For Edwardsport", Inside Indiana Business, May 5, 2008.
  9. Duke Energy, " Duke Energy's Edwardsport Coal Gasification Project to Receive Federal Funds for Carbon Study", Media Release, May 9, 2008.
  10. "Coal plant opponents seek Daniels e-mail records," Chicago Tribune, October 29, 2008.
  11. "Ind. panel approves cost increase for coal plant," WTHR, January 8, 2009.
  12. “Waxman-Markey climate bill a wish list for Duke Energy?”, Matt Leonard, It’s Getting Hot in Here, May 5, 2009.
  13. "Duke Energy files plans for carbon-storage study," Charlotte Business Journal, July 7, 2009.
  14. "Coal plant construction continues in earnest at some sites," SNL Interactive, October 5, 2009. (Subscription required.)
  15. "Power Plant Cost Going Up," Tristatehomepage.com, November 25, 2009.
  16. "Duke Energy Indiana Files Cost Update for Clean Coal Gasification Power Plant" Duke Energy, April 16, 2010.
  17. Sapna Maheshwari, "Duke Energy Unit Markets Debt to Help Fund Coal Plant (Update1)" Bloomberg BusinessWeek, July 6, 2010.
  18. [ http://policyintegrity.org/documents/Binder_Edwardsport%20IGCC%20Scandal.pdf "Ethics controversy erupts"] Jeff Swiatek and Tim Evans, The Indianapolis Star, October 6, 2010.
  19. "Duke Energy Hearing Preview" mywabashvalley, Nov. 2, 2010.
  20. Chris O'Malley, "Duke Energy puts local CEO on leave amid state probe" Indiana Business Journal, Oct. 5, 2010.
  21. John Downey, "Ethics issue kills Duke Energy deal on Indiana plant costs" Charlotte Business Journal, Dec. 9, 2010.
  22. Julie Rose, "Duke Energy Exec James Turner Resigns Over Ethics Flap" WFAE 90.7FM, Dec. 6, 2010.
  23. John Russell, "Contractor says Duke took risks at plant" Indystar.com, Jan. 28, 2011.
  24. "Utility lawyers question coal-gas plant timetable" Bloomberg, Jan. 28, 2011.
  25. "Duke proposes new cap on coal-gasification plant" Fox News, March 11, 2011.
  26. Bruce Henderson, "Consumer advocates slam Duke's Indiana costs"‎ Charlotte Observer, July 11, 2011.
  27. Chris O'Malley, "Consumer group accuses Duke of 'gross mismanagement'" IBJ, July 15, 2011.
  28. "Duke says Edwardsport project cost increases more than $200M" Indy Star, Oct. 20, 2011.
  29. "Ethics Scandal Zaps Former Duke Energy Attorney" ABC, Oct. 20, 2011.
  30. "Secrets Can Strain Credibility" Indystar.com, March 6, 2012.
  31. "Ind. regulators OK deal involving cost overruns at Duke Energy's coal-gasification plant," The Republic, Dec. 27, 2012.
  32. "Duke Energy or Indiana customers: Who should pay Edwardsport's climbing price tag?" Indy Star, Feb 4, 2015
  33. "Duke to absorb costs of troubled plant," Associated Press, Sep 20, 2015

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