1 power plant costs are key factors in energy market policy decisions key assumptions in the eia...
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Michael Leff and Jim Hewlett, Washington, DC, May 10, EIA Costs are a key driver for new capacity additions in the NEMS model projections. The NEMS model uses “overnight” capital costs as an input. This represents the cost of building a power plant independent of time and financing. The inflated expenditures and financing costs are calculated endogenously in NEMS. Public Input for other energy models Of interest to other government entities (e.g., the DOE Office of Nuclear Energy) UniversitiesTRANSCRIPT
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Overview: The need for power plant cost data
Power plant costs are key factors in energy market policy decisions
• Key assumptions in the EIA NEMS model• Input factors to all energy economic models used by government,
industry, & NGOs• Important considerations for energy market financial analysts,
consultants, and academics
EIA already collects some power plant related costs• Fuel• Certain environmental control equipment
EIA does not collect power plant cost data for • Construction • Operations & maintenance• Major refurbishments, modifications, or upgrades expenditures
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 2
Overview: What type of cost data are needed?
Consider collecting plant costs at all 3 levels of a plant’s life cycle
Plant Construction
Plant Operation(non-fuel)
Plant Decommissioni
ng
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 3
Construction costs: Why is it valuable to collect? EIA
• Costs are a key driver for new capacity additions in the NEMS model projections.
• The NEMS model uses “overnight” capital costs as an input. This represents the cost of building a power plant independent of time and financing.
• The inflated expenditures and financing costs are calculated endogenously in NEMS.
Public• Input for other energy models• Of interest to other government entities (e.g., the DOE Office of
Nuclear Energy)• Universities
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 4
Construction costs: What types of data are available today
EIA uses construction costs derived from a 2010 study completed by the engineering consulting firm, RW Beck
• The RW Beck study allows EIA to compare construction cost estimates for new technologies across a consistent basis
• Construction cost data from actual projects would be very valuable as a means to update and validate the RW Beck estimates
Public utility commission filings
Other government organizations
Industry associations
Company reports
Press
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 5
Construction Costs: What we propose collecting For the large planned power plant projects, EIA wants the costs
data broken down in the same manner as is shown in Table 1 in the next slide. This detail is needed to determine the reasons for the differences between extended and realized costs
• Direct• Indirect• Owners• Contingency (for estimates only)• Total overnight costs (for estimates only)• Total project cost without financial charges• Total project cost with financing charges
Note that for units early in the planning process, in all probability the estimates will be in a form similar to the one shown in the first column in Table 1.
• However, once construction of the unit is completed, the data will be in the form shown in the second column in Table 1
Broken down for large projects only
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 6
Construction Costs: Types of projects to be included in the data All units that entered commercial operation as of 2014
All coal and nuclear units under construction as of December 31, 2014• This will capture the ongoing Vogtle and Summer projects, plus any coal units
currently under construction• Short lead time renewable and natural gas plants will be surveyed when they
enter commercial operation
Estimates for planned nuclear power plants• With the exception of Vogtle and Summer, all of the other recently announced
nuclear projects are on hold and are not expected to start construction until the later part of this decade
• For the later group, EIA will track estimates for these units as their planning strategies evolve over time. That will aid in projections of unit operational dates.
• To keep this process simple, respondents need not report estimates if they have not changed by some reasonable threshold (e.g., 20 percent)
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 7
Plant Operation(non-fuel)
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 8
Operating Costs: What exactly are operating costs
Operations & Maintenance.
Capital
Specific large capital expenditures for individual technologies
Why are these so important?• Significant costs, in some cases, can exceed a billion dollars• Aging nuclear fleet and life extensions• Environmental requirements for coal and nuclear
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 9
Operating Costs: What information do we want The operations and maintenance costs for power plants
currently operating
Capital expenditures for power plants currently operating
Specific large capital expenditures for individual technologies• Nuclear
Power uprates Life extension programs Steam generator replacement Cooling towers
• Coal Pollution control equipment Cooling towers
• Renewables Technology specific, for example blade/gear box replacement (wind), drilling
costs (geothermal), inverter replacement (solar), turbine replacement (hydro)
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 10
Operating Costs: What do we already collect? How would we revise these fields?
Pollution control capital costs (Form 860 Schedule 6, Part G & H)• Requires the installed cost of existing and anticipated FGD and FGP unit costs
be reported• These fields would be moved to a new cost schedule on the Form 923 as a
major plant capital expense• Definitions revised to fit EIA’s definitions of major capital expenditures for
coal units
Pollution control equipment O&M Costs (Form 923 Schedule 8, Part B)• Requires O&M and capital expenditures for combustion byproducts from coal
plants• EIA proposes replacing these O&M costs with general costs from each
technology. For coal plants, EIA would collected both fixed and variable O&M costs
These costs would be collected on the new cost schedule of the Form 923 For most coal plants, variable costs are associated with environmental
control equipment & waste production. This would capture a summary of what is being lost by aggregating the information already collected
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 11
Plant Decommissionin
g
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 12
Decommissioning Costs: Costs associated with taking a unit out of
service Potentially most significant for nuclear plants Information already collected at the PUC level
and by the NRC NEMS model is relatively insensitive to changes
in nuclear decommissioning costs
EIA recommends not collecting these costs for this survey cycle. If need be, these costs can be collected directly from the PUCs
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Michael Leff and Jim Hewlett, Washington, DC, May 10, 2012 13
Summary
Plant Construction
Plant Operation(non-fuel)
Plant Decommissioni
ng