1. DICORATO IT Session 4 – Block 1 – Question 3 Barcelona 12-15 May 2003 1 Set parameters and implement the LM option Market access options Evaluate Economic Gain Store for comparison New access option? New LM option? N N Y Y Evaluate the economic indices and choose the best LM strategy Plant data Fit load curves Fit energy price curves Select the LM option The procedure

2. DICORATO IT Session 4 – Block 1 – Question 3 Barcelona 12-15 May 2003 2 Evaluate the economic indices and choose the best LM strategy The choice of the best LM strategies is based on the following feasibility indices: NPV PI PBP whose values are strongly affected by the Investment Costs

3. DICORATO IT Session 4 – Block 1 – Question 3 Barcelona 12-15 May 2003 3 DF LOAD MANAGEMENT LPS PURCHASE IN THE WHOLESALE MARKET AND BILATERAL CONTRACT LPS+DFESLPS+ES BILATERAL CONTRACTS CHPLPS+CHP PURCHASE IN THE WHOLESALE MARKET

4. DICORATO IT Session 4 – Block 1 – Question 3 Barcelona 12-15 May 2003 4 LM Strategy: LPS+CHP BILATERAL CONTRACTS Energy cost reduction: 256,000 € Saving per cent:35% PURCHASE IN THE WHOLESALE MARKET AND BILATERAL CONTRACT Energy cost reduction: 193,000 € Saving per cent:27% PURCHASE IN THE WHOLESALE MARKET Energy cost reduction: 144,000 € Saving per cent:22%