A framework for joint management of regional water-energy ... - Orbit

Table of contents
1 Introduction ............................................................................................ 1
2 Context .................................................................................................... 3
2.1 Economic resource allocation .................................................................... 3
2.1.1 Power markets ..............................................................................................3
2.1.2 Economic water allocation ............................................................................4
2.2 Reservoir optimization ............................................................................... 6
3 Case study: The Iberian Peninsula ....................................................... 9
3.1 The water-energy nexus ........................................................................... 10
3.2 Hydrological system ................................................................................ 11
3.2.1 Rainfall-runoff model ................................................................................. 11
3.2.2 Hydropower reservoirs................................................................................ 12
3.2.3 Irrigation demand ....................................................................................... 12
3.3 Power system ........................................................................................... 14
3.3.1 Power demand ............................................................................................ 16
3.3.2 Power supply .............................................................................................. 16
3.4 Climate change ........................................................................................ 17
4 Methods ................................................................................................ 21
4.1 Reservoir aggregation .............................................................................. 22
4.2 Stochastic dynamic programming ............................................................ 23
4.2.1 Inflow: discrete Markov chain .................................................................... 23
4.2.2 SDP representing irrigation as a constraint ................................................. 24
4.2.3 SDP representing irrigation as a decision variable ...................................... 25
4.2.4 Water value method .................................................................................... 25
4.3 Stochastic dual dynamic programming ..................................................... 26
4.3.1 Inflow: continuous Markov process ............................................................ 26
4.3.2 Forward simulation ..................................................................................... 28
4.3.3 Backward recursion .................................................................................... 29
4.3.4 Convergence ............................................................................................... 31
4.3.5 Comparing SDP and SDDP ......................................................................... 32
5 Results and Discussion ......................................................................... 35
5.1 Climate change impact on power system of the IP ................................... 35
5.2 Hydro-economic modeling and power markets ........................................ 37
5.3 Optimization of regional water-energy systems ....................................... 39
5.4 Limitations of the study ........................................................................... 42
6 Conclusions ........................................................................................... 45
7 Further research .................................................................................. 47
8 References ............................................................................................. 49
9 Papers ................................................................................................... 55
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