Figure 5 : The portfolio optimization for several units
via electric kettles or more intraday sales/purchases. If necessary, these bids are automatically placed in the PBA intraday/bidding robot, which processes the bids quickly and efficiently. 8.5 Deviations on gradients that cannot be reached due to plant performance or maintenance. OPTI calculates de- viations and corrects the plan via bids - automatically in the intraday/bidding robot at the PBA, which trades the bids quickly and efficiently. 8.6 Analysis of regulated power bids for upcoming days / make bids and place these if desired. 8.7 Automatic control of evening forecasts and hot water tank forecastsMake individual plans for all plants. 8.8 Send and print plans to the control room. Perfect equilibrium - best economy Perfect optimization occurs when all plant specifications and operational ranges are known for each facility in the portfolio. Awareness of specific fuel costs, taxes, CO2 levies, and other var- iable expenses is also essential.
7. Send the bid matrix to the Nordpool before 11:30. Pause: The morning routine is now finalized, and the planner is waiting for the electricity market to reach a clearing - which is done no later than 13:00 8. Make individual plans for all plants. 8.1 Get the electricity market clearing, and if the results are all ok, jump to 9. If not, go to point 8.2. 8.2 In case of significant deviation, the portfolio is rebal- anced, and the optimal plan is generated again (a 24/7 loop is used). 8.3 In case of too much production (Low electricity market clearing), the optimization analyzes how to produce surplus via electric boilers internally or sell it in the mar- ket. If necessary, these bids are automatically placed in the intraday/bidding robot at the PBA, and the PBA handles the bids quickly and efficiently. 8.4 In case of too little production (High electricity mar- ket clearing electricity), the optimization analyzes how more heat should be produced either internally
Figure 4: OPTI platform and user interface.
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