mic fcp special session recommendation
TRANSCRIPT
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MIC FCP Special Session
Recommendation
IMM MIC FCP Special Session
May 29, 2020
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OA Schedule 2 Penalties
• Since the implementation of the OA Schedule 2
penalties on May 15, 2017, there have been 318
penalties to generators for not complying with
Schedule 2, FCPs or the Cost Development Guidelines
(Manual 15).
• Out of the 318 penalties:
• 279 were identified by the IMM.
• 29 were identified by the Market Sellers.
• 10 were identified by PJM.
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IMM Identified Penalties
• The IMM estimates generators’ offers using data
collected from:
• MIRA (e.g. heat inputs, VOM, fuel index).
• Independent fuel price sources (e.g. Platts and ICE).
• PJM (e.g. schedule IDs, schedule fuel types, MW
segments).
• The IMM uses these estimates as the basis for asking
questions to the Market Seller.
• The Market Seller’s responses make it clear when
there are errors in offers.
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Causes of Penalties
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32.3%
27.2%
7.5%
17.6%
11.8%
3.6%
VOM
Heat Input
Curve Shape
Fuel Cost
Unidentified
Other
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Causes of Errors in Offers
• Most penalties have not resulted from overstated fuel
cost (fuel cost policy noncompliance).
• Most penalties (67 percent) have resulted from
overstatement of VOM and incorrect heat input
assumptions.
• Common VOM issues: Incorrect application of a VOM
adder approved by PJM or use of a VOM adder not
approved by PJM.
• Common heat input issues: Overstatement of actual
inputs (e.g. start heat/no load heat) or incorrect
calculation of incremental heat rates using correct
inputs.
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Market Sellers’ Responsibilities
• It is Market Sellers’ sole responsibility to make offers.
• OA Schedule 1 § 6.4.2(d).
• It is Market Sellers’ sole responsibility to make correct
offers.
• It is Market Sellers’ sole responsibility to have
processes in place to avoid errors in offers.
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IMM Role
• It is the IMM’s goal that Market Sellers make zero
errors in submitted cost-based offers.
• The IMM is, and has been, prepared to work closely
with Market Sellers in order to ensure that Market
Sellers understand in detail how to construct cost-
based offers.
• The IMM has already provided education to many
Market Sellers.
• The IMM is prepared to provide systematic education
on the details of cost-based offers to Market Sellers
as part of the CDS.
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Common Issues
• VOM:
• More clarity from PJM regarding includable VOM costs is
needed to avoid future penalties.
• Market Sellers need to be more careful in determining
relevant VOM costs.
• Heat Input
• Errors on heat input curves could be eliminated.
• The cost development guidelines (M15) are deficient in
providing guidelines for the calculation of correct heat
input curves and incremental heat rate curves.
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Validation
• There are two general types of errors in cost-based
offers:
• Errors that result from misunderstanding the math of
cost-based offers.
• Errors that result from incorrect input data.
• The IMM is available to provide detailed education on
the construction of cost offers.
• The IMM is prepared to propose a new version of
Manual 15 that is clear, internally consistent and easy
to follow.
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Recommendations
• The IMM recommended in 2018 that the Cost
Development Subcommittee (CDS) be in charge of the
MIC FCP problem statement. PJM and stakeholders
did not agree.
• The IMM recommends that this MIC Special Session
be put on hiatus or terminated.
• The primary issue appears to be Market Seller errors
that lead to penalties. The issue should be addressed
directly: how to systematically reduce errors.
• The IMM recommends restarting regular Cost
Development Subcommittee meetings to address cost
development issues. ©2020 www.monitoringanalytics.com
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Manual 15 Issues - Example 1
• Manual 15 does not differentiate between sloped and
stepped incremental heat rate curves:
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4
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0 20 40 60 80 100 120 140 160 180 200
MM
Btu
/MW
h
MW
Stepped Curve
Sloped Curve
Incorrect Stepped Curve
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Manual 15 Issues - Example 1
• Stepped Curve Incremental Heat Rate
𝐻′ 𝑀𝑊𝑖 =𝐻 𝑀𝑊𝑖 − 𝐻 𝑀𝑊𝑖−𝟏
𝑀𝑊𝑖 −𝑀𝑊𝑖−𝟏
• Sloped Curve Incremental Heat Rate (Second Degree)
𝐻′ 𝑀𝑊 = 2 × 𝑋2 ×𝑀𝑊 + 𝑋1
• Changing the shape of the curve requires changing
the incremental heat rate calculation.
• Failure to calculate incremental heat rates correctly
results in overstated heat input.
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Manual 15 Issues - Example 2
• Manual 15 incorrectly defines no load cost as:
• The hourly cost required to create the starting point of a
monotonically increasing incremental offer curve.
• No load cost is the theoretical cost of running a unit at
zero MW (no load).
• No load cost should be calculated using the intercept
of the heat input curve as long as the incremental
curve is calculated properly.
• Proper incremental curves are either stepped curves
or sloped curves with a zero MW segment.
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Manual 15 Issues - Example 2
• Some units do not start their sloped incremental offer
curve at zero MW.
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0 20 40 60 80 100 120 140 160 180 200
MM
Btu
/MW
h
MW
Sloped Curve
Sloped Curve (w/o Zero MW)
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Manual 15 Issues - Example 2
• Manual 15 requires units to reduce their no load cost
by the amount overstated in their incremental offer
curve (area between the red curve and the blue curve).
• Failure to do so results in overstated heat input.
• Problem could also be avoided by using correct
incremental offer curve.
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