Information Technology Reference
In-Depth Information
G
Action Space
Definition
L
GUI Interface
L
Zonal Loads
Select Action
L
RE Punishment Algo
Simulation
Parameters
Update action
probability
distribution
(P,Q)
submission
Aggregated
Quantities
reads Market Structure
Heap Memory
Market Session
Module
Payoffs
Computation
GME Clearing
House
sends Market
Structure
sends Market
Solution
Market
Solution
GME Market
Solver
LMPs
PUN
Awarded Quantities for all participants
Power Flows between Zones
Fig. 2.
ABM IPEX simulation flow-diagram
Day-Ahead Market (hereafter ABM IPEX Model). The Italian power exchange (IPEX)
started on 1st April 2004 and is currently administrated by the Gestore Mercati En-
ergetici S.p.A., the Italian market operator. IPEX market structure is characterized by
several subsequent market sessions for both trading energy and managing critical ser-
vices (e.g., reserves and real-time balancing). These are the Day-Ahead Market session
- DAM, (Mercato del Giorno Prima - MGP), the Adjustment Market sessions and the
Ancillary Services Market. The most important (i.e., liquid) session is the Day-Ahead
Market which is organized as a non-discriminatory double-auction market where ap-
proximately 60 percent of national production is traded. The main feature of the Italian
Day-Ahead Market is related to the complex high-voltage transmission network and
results in a zonal splitting with both locational and national energy prices. The ABM
IPEX simulation flow-diagram (i.e., static representation of the objects and their inter-
actions) is shown in Figure 2. It is worth remarking that the ABM IPEX Model consists
of three main building blocks, i.e.:
-
the agent-based representation of the Italian Electricity Market and the clearing
mechanism regarding the Day-Ahead Market;
-
the representation of the Italian Electricity Network;
-
the agent-based representation of traders in the Italian Electricity Market, i.e. Gen-
cos.
These building blocks are discussed in the following sub-sections.
3.1
Day-Ahead Market Model
GAPEX simulates Gencos bidding strategies through a daily market session in the Ital-
ian Electricity DAM. The exact market clearing procedure performed by Italian Market
Operator has been implemented (see [8] for a detailed discussion). Furthermore, the
following agents are currently represented in the model:
-
Gencos: They are the economic actors at the supply side of the electricity mar-
ket. They submit supply bids to the GME Market Operator and (after the market
