What is DAM
It is a market operated and organized by the Market operator and used for electricity trading and balancing operations one day before delivery date of power.
As EPİAŞ granted electricity market operation license, plenty of innovations were taken place in order to project, establish, develop and operate the electricity market so as to fulfil the sector needs in a more efficient, transparent and reliable way through setting a bunch of goals. In the light of these goals, 'Day Ahead Market Project' has been commenced to handle increasing number of participants, satisfy sector’s requirements and have well-designed software similar to the web applications in developed markets. This new web application assisting to determine Market Clearing Price (MCP) is one of the most crucial projects of our company.
As a result, Day Ahead Market software project, entirely in-house developed software, is successfully completed in line with its practical interface for users, flexibility and openness to new upgrades.
New software test environment was unveiled and participants started to use it for testing purposes as of March 18, 2016, and the live system was switched as of the delivery date of June 1, 2016.
Participants can submit hourly and daily for a particular period of hour/hours and/or flexible orders to Day-Ahead Market.
Orders are composed of volume and price information that can change for different hours.
Submitted order prices have centesimal sensitivity.
Orders can be made in terms of Turkish Lira. (TL/MWh)
Order volumes are submitted in terms of Lot as an integer number. 1 Lot is equivalent to 0,1 MWh.
Processes
Day-Ahead Market participants submit their day-ahead market orders belonging to next day every day until 12:30 pm via DAM Web Application system to Market Operator.
Day ahead market orders that are presented by market participants for next day are considered for determining market clearing price and market clearing volume after collateral check, based on relevant procedure, is performed and adequate collateral amount is confirmed.
Verified orders are assessed via optimization tool during 13:00 pm-13:30 pm; market clearing price and market clearing volumes are determined for every hour of the related day.
Trade confirmations including sales-purchase volumes are announced to relevant market participants every day at 13:30 pm. Market participants can object to these notifications in case of errors regarding to transactions during 13:30 pm-13:50 pm.
Objections are evaluated during 13:50 pm-14:00 pm and relevant results are notified to market participants that made the objection. At 14:00 pm, finalized prices and matched volumes for 24 hours of next day are announced.
Market participants can submit their bilateral contract to Dam Web Application system during 00:00 am - 16:00 pm every day. Bilateral contracts are checked in accordance with the KOPİ method during 17:00 pm - 17:05 pm every day.
The objection process is carried out for the canceled bilateral contracts in accordance with the KOPİ during 17:05 pm - 17:15 pm every day.
Processes described above are normal processes for Day Ahead Market and in case of technical problems that may arise from Day Ahead Market system, emergency procedures are carried out by Market Operator.
Orders
Participants can submit hourly and daily for a particular period of hour/hours and/or flexible orders to Day-Ahead Market.
Orders are composed of volume and price information that can change for different hours.
Submitted order prices have centesimal sensitivity.
Orders can be made in terms of Turkish Lira. (TL/MWh)
Order volumes are submitted in terms of Lot as an integer number. 1 Lot is equivalent to 0,1 MWh.
MORESingle hourly orders have maximum 64 steps which contain 32 purchases and 32 sales.
The prices regarding single hourly orders must be listed increasingly.
In same price step there cannot be valid single hourly order for both purchase and sale.
During formation of supply-demand curve, linear interpolation method is employed to interpolate values between two consecutive price/volume steps.
In case of profile block order, different amounts can be submited for each hour.
Profile block volume cannot be more than 3 times for consecutive hours.
Profile block order encompasses a certain period of time. It consists of consecutive hours.
Profile block order can be submitted at least for 3 consecutive hours.
Profile block order can be fully executed or rejected for the time interval that encompasses.
Market participants can submit a maximum of 50 block orders in total for each delivery day.
Market participants may submit maximum 6 flexible orders for same or different slots of time of a delivery day.
Timeline for flexible orders encompasses minimum 8 hours and maximum 24 hours. Order validity may encompass maximum 4 hours.
Flexible order is not related with a particular hour.
If the participants granted with licence by EMRA (Energy Market Regulatory Authority) sign Participation Agreement for Day Ahead Market in addition to the Market Participation Agreement, they may trade in the Day Ahead Market.
You may access to the reports/data on Day Ahead Market through the following links.
Frequently Asked Questions
The orders from market participants are collected with the Day Ahead Market software and the market clearing price (PTF) for each hour and the matching price and amount for each order are determined. The mathematical model developed for this purpose is solved with problem-specific algorithms (heuristic and exact solution algorithms) in order to obtain the solution in which the total benefit of the producer and consumer is the highest. As a result, the prices and matching quantities with the highest total benefit and meeting the market rules are calculated for each hour and announced to the participants.
Market Participants may enter the test environment by their respective user name and password via https://testgop.epias.com.tr to conduct a test. If password is changed in live environment, the password in the test environment does not change.
Market Participants can access to Web Service Documents Via https://gop.epias.com.tr/gop-servis/technical/.
Authorization Process for Market Participants' Users in the Day-Ahead Market is done at ekys.epias.com.tr. Authorization and limit setting processes for users within the organization are defined only by the authorized user of the participant (PK user or users to whom the PK user has assaigned their authorizations). The authorization to be granted is defined by entering the authorization group operations menu on the EKYS screen.
Assignment of user limit to the users in the organization for Day Ahead Market is performed via ekys.epias.com.tr. It is performed in the sections of “Limit Operations” and then “User Limit operations” in the screen of EKYS.
When you encounter this situation after updating your password, you can enter the verification code and enter the new password again in the password field.
When you forget your password, you can get a temporary password from the REGISTRATION unit by contacting EPİAŞ and renew your password by logging into the EKYS screen with this temporary password.
You may check confirmation of your orders from “Order Display” under the “Market Transactions” in the screen of Day Ahead Market. Furthermore, the user trading in the Day Ahead Market can receive notifications by entering EKYS and ticking the box “I want to receive an alert notification by e-mail when there is no hourly bid entry.” in “User preferences” in the section of “User Info”.
The box “I don't want to receive diversion notification by e-mail.” to be sent to the users which has authorization to submit DAM order is not checked by default. In this way, such user will receive notice by e-mail in case of an order is submitted bigger than the value of “DAM Bid Deviation Email Notification” which takes place in the user limits.
In order to receive notifications by e-mail, the e-mail information in the EKYS user information should be defined correctly.
The market participants licensed by EMRA may perform operations in the respective markets as long as they sign the participation agreements for Day Ahead Market, Intraday Market and Future Electricity Market.
You may contact via call centre 0212 264 15 70 / 1 Market Operations / 1 Intraday Market.
By e-mail to: elektrik.acildestek@epias.com.tr
For request, suggestion, information and complaints, you may contact via: https://yardim.epias.com.tr section of Electricity Intraday Operation Regulation.