Transmission of dispatchable solar energy from
Transcription
Transmission of dispatchable solar energy from
Transmission of dispatchable solar energy from North Africa to Central Europe Dipl.-Ing. Denis Hess (DLR) Rabat, 28.10.2013 Source: Hess, D. (2013): Fernübertragung regelbarer Solarenergie von Nordafrika nach Mitteleuropa Systems Analysis & Technology Assessment http://www.dlr.de/tt Examination area – Baden‐Württemberg (BW) decentralized renewable energies (RE) and storages large power plants of dispatchable renewable energies Examination area feeding point into the AC grid ~ 100 % RE import of dispatchable renewable energy HVDC point-to-point balancing authority area distribution network AC HVDC point-to-point transmission network AC import of dispatchable renewable energy Systems Analysis & Technology Assessment http://www.dlr.de/tt 10.8 mio. inhabitants, 80 TWh/y ‐ in the year 2012 Source: (http://de.wikipedia.org/wiki/Baden‐ W%C3%BCrttemberg) Paradigm change in the load range until the year 2050 Power [MW] Power [MW] summer in the year 2012 in BW peak load mid-load feeding of fluctuating RE residual load with dispatchable RE base load week in summer 100% RE peak load Power [MW] Power [MW] winter week in summer feeding of fluctuating RE mid-load residual load with dispatchable RE base load week in winter Systems Analysis & Technology Assessment http://www.dlr.de/tt week in winter Renewable energies for Baden‐Württemberg 60000 Photovoltaics installed capacity [MW] 50000 Wind Onshore Wind Offshore 40000 River Runoff Pump Storage, CAES Hydrogen Storage 30000 Gas Turbines Combined Cycle 20000 Coal Plants Nuclear Plants 10000 Lignite Plants Import Hydro Wood, Biogas 0 scenarioscenarioscenarioscenarioscenarioscenario 1 2 1 2 1 2 share of RE year 18% 40% 2012 2022 55% 55% 2025 70% 70% 2030 95% 95% 2050 The decision for scenario 2 is already TODAY necessary! Systems Analysis & Technology Assessment http://www.dlr.de/tt Biomass, Waste Geothermal Import CSP peak Load Time series of power production by type of power plant Systems Analysis & Technology Assessment http://www.dlr.de/tt System problems in Baden‐Württemberg in the year 2050 with 95% renewable energy (RE) in electricity supply installed capacity: 35 GW installed capacity: 55 GW Quo vadis? dependence of gas production surpluses with dispatchable energy on demand -> ideal power mix 2050 95% RE Two scenarios for the year 2050, each with 95% renewable energies for the electricity supply in Baden-Württemberg Today, the decision must be made specifically for the choice of one way! Systems Analysis & Technology Assessment http://www.dlr.de/tt Transmission of dispatchable solar energy: CSP‐HVDC site 1500 MWel,net 9,3 TWh/y DNI heat / steam mechanics Alternating Current - AC Direct Current - DC feeding point into the AC grid heat storage cofiring converter transmission 2600km HVDC turbine CSP - collectors average utilization 6200 h/y land area ~ 150 km² generator 2200 MWel,gross (17 x 130 MW) 1700 MWel,net (17 x 100 MW) converter 1700 MWel,gross DNI: Direct Normal Irradiance CSP: Concentrating Solar Power HVDC: High Voltage Direct Current Systems Analysis & Technology Assessment http://www.dlr.de/tt CSP model sites in Morocco Exclusion areas DNI potential 2 Model sites only, no planification! 1 [kWh/m²y] settlements protected areas water agriculture and forest slope (>2%) dunes no exclusion exclusion The economic CSP potenital in the northern part of Morocco is at about 8450 TWh/y with 18500 km² CSP gross land demand ‐> one site with 150 km² needs only 0.8% of this potential Systems Analysis & Technology Assessment http://www.dlr.de/tt First design of the CSP‐HVDC site, cost and land requirements MOR-E-F-D HVDC 2600 km 1.7 GW / 1.5 GWnet 1,9 – 5,1 billion € 150 km² O&M: 4-5 €Cent/kWh LCOE: 12-15 €Cent/kWh CSP 2.2 GW CSP 12 -18 billion € 150 km² Daxlanden (Dax) Eichstetten (Eic) MOR-E-F-D HVDC 2300 km 1.7 GW / 1.5 GWnet 3,7 – 4,9 billion € 75km² CSP 2.2 GW CSP 12 -18 billion € 150 km² -> 9.32 TWh/a 16-23 billion € (real 2010) feasible until 2024 Systems Analysis & Technology Assessment http://www.dlr.de/tt Missour (Mis) Marrakesh (Mar) EEZ sea borders Adequate permanent payment for the required land Overhead line unit € ∙ ²∙ covered area mast base (grey) 70 m Restriction of agriculture through the mast base (blue) + pole ‐ pole cheaper overhead line and more expensive underground cable can reach through this compensation payment cost neutrality within their lifetime! safety conductor protective strip Underground cable safety conductor 4 m + pole Systems Analysis & Technology Assessment http://www.dlr.de/tt ‐ pole free choice of technology is made possible ‐> increased acceptance € 90 ~40 80 70 0.67 – 1.56 costs for the consumers € Cp.: agricultural profit in BW*: ~ 8 ² € ² 60 50 40 30 20 10 Morocco incl. CSP plant Spain France Germany Mar-Dax cable Mar-Dax overhead Mis-Eic cable Mis-Eic overhead Mar-Dax cable Mar-Dax overhead Mis-Eic cable Mis-Eic overhead Mar-Dax cable Mar-Dax overhead Mis-Eic cable Mis-Eic overhead Mar-Dax cable Mar-Dax overhead Mis-Eic cable 0 Mis-Eic overhead mio. €/y Annual income for the concerned nations, their municipalities and landowners (riparians) – each time with 4 routes annual income for the nations and their municipalites from the concession fee annual income for the nations and their municipalites from tax of the motivation payment annual income for the landowners from the motivation payment annual income for the landowners from the decreasing value Today only the blue value is paid for the construction of transmission lines in Germany ONCE! Source:*Landwirtschaftliche Betriebsverhältnisse und Buchführungsergebnisse 2012 Systems Analysis & Technology Assessment http://www.dlr.de/tt The trafic light model of the decision ways year 2013 2014 2015 2016 2019 2024 Systems Analysis & Technology Assessment http://www.dlr.de/tt Time limit for a decision Systems Analysis & Technology Assessment http://www.dlr.de/tt How can the investment be paid that low interests incur and thus the capital costs remain low? Investment: 16-23 billion € capital costs we need: a short capital repayment period The tariff will be high but only for a short time Systems Analysis & Technology Assessment http://www.dlr.de/tt we need: garantees e.g.: AAA, Power Purchase Agreement (PPA) In a european electricity market all consumers profit from constant cheap electricity -> apportionment of the tariff on a high number of consumers Tariff of the CSP-HVDC-site [€/kWh] Tariff of the CSP‐HVDC site Mis‐Eic with underground cable ‐ How can 16 billion € be paid that low interests incur and thus the capital costs remain low? 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 capital repayment Kapitalrückzahlung period 40 years sdauer 40 Jahre capital repayment 1 year capital repayment Kapitalrückzahlung period 20 years sdauer 20 Jahre capital repayment Kapitalrückzahlung period 10 years sdauer 10 Jahre capital repayment Kapitalrückzahlung period 5 years sdauer 5 Jahre capital repayment 5 years … capital repayment Kapitalrückzahlung period 1 year sdauer 1 Jahr Kosten fossiler cost of dispatchable regelbarer Energie fossil fuels additional cost of dispatchable fossil fuels O&M CSP‐HVDC site 1 3 5 7 9 111315171921232527293133353739 year of operation - start in 2025 Systems Analysis & Technology Assessment http://www.dlr.de/tt How can 16 billion € be paid that low interests incur and thus the capital costs remain low? Apportionment of the costs on all electricity customers 3.5 Umlage Deutschland mit 600 TWh/a [€Cent/kWh] for Germany with 600 TWh/a [€Cent/kWh] [€Cent/kWh] 3 2.5 Umlage Frankreich und Deutschland mit 1100 TWh/a [€Cent/kWh] for France and Germany with 1100 TWh/a [€Cent/kWh] 2 1.5 Umlage Europa (Entso‐e) mit 3300 TWh/a [€Cent/kWh] for Europe (Entso‐e) with 3300 TWh/a [€Cent/kWh] 1 0.5 0 1 2 5 10 15 20 30 40 Capital repayment period [y] billion Savings (black) and additional costs (red) accumulated in 40 years versus dispatchable fossil fuels (coal / gas) interests = 9,9% discount rate = 1,3% 4 € 2 € 0 € ‐2 € 1 2 5 10 15 ‐4 € ‐6 € ‐8 € ‐10 € Capital repayment period [y] Systems Analysis & Technology Assessment http://www.dlr.de/tt 20 30 40 Conclusions • • • • • • • For an electricity system with ~100% RE dispatchable renewable energy is necessary Only CSP with a new HVDC point-to-point infrastructure can enable an export of dispatchable renewable energy form North Africa to Europe A CSP plant with 150 km² needs only 0.8% of the potential in the northern part of Morocco The investment costs are at about 16-23 billion € for CSP and HVDC If we decide in 2013/2014 the project could be feasible until 2025 Due to the compensation costs for the required land area, overhead transmission lines and underground cables can reach cost neutrality To avoid high capital costs garantees (AAA, PPA) and a short capital repayment period are needed Systems Analysis & Technology Assessment http://www.dlr.de/tt Transmission of dispatchable solar energy from North Africa to Central Europe Communication platform for online public participation: First ideas Systems Analysis & Technology Assessment http://www.dlr.de/tt Declaration of intent on state level green: in favour red: refusal white: not yet decided Systems Analysis & Technology Assessment http://www.dlr.de/tt Declaration of intent on regional level green: in favour red: refusal white: not yet decided Systems Analysis & Technology Assessment http://www.dlr.de/tt Declaration of intent on municipal level Systems Analysis & Technology Assessment http://www.dlr.de/tt green: in favour red: refusal white: not yet decided Declaration of intent on owner level Systems Analysis & Technology Assessment http://www.dlr.de/tt green: in favour red: refusal white: not yet decided On the interactive website can also appear: • Image video about this potential project (animation of the power plant function, need in the energy system of a Central European control area, data and interviews with affected people of the power station, the transmission line and electricity customers) • All current activities with citizens, in politics, science and economy • Schedule of citizen participation and overall schedule • All data in the field of economy, ecology, technology, social and institutional • Already achieved progress and critique Systems Analysis & Technology Assessment http://www.dlr.de/tt Further steps • • • • • • • preparation of a handbook for public participation publication of further scientific studies on the necessity of dispatchable solar electricity imports to Baden-Wuerttemberg on a multilingual website questioning of citizens in case studies in exemplary communities detailed cost-benefit analysis with risk assessment cooperation with ENTSO, TransnetBW, RTE, REE, ONEE in preparation for the inclusion in the "Union List" of a project with common interests (EU Regulation 347/2013) support of the necessary application documents and the required measures search for suitable project responsible Systems Analysis & Technology Assessment http://www.dlr.de/tt „Ways connect people“ Thank you for your attention! Systems Analysis & Technology Assessment http://www.dlr.de/tt Source: http://www.ribapylondesign.com/ Former projects related to the topics • MENA Regional Water Outlook – CSP for Seawater Desalination in the Middle East and North Africa, World Bank (2012), www.dlr.de/tt/menawater • REACCESS - Risk of Energy Availability: Common Corridors for European Supply Security, European Commission (2011), http://reaccess.epu.ntua.gr/ • AQUA-CSP - Concentrating Solar Power for Seawater Desalination, Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (2007), www.dlr.de/tt/aqua-csp • TRANS-CSP - Trans-Mediterranean Interconnection for Concentrating Solar Power, Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (2006), www.dlr.de/tt/trans-csp • MED-CSP - Concentrating Solar Power for the Mediterranean Region, Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (2005), www.dlr.de/tt/med-csp Systems Analysis & Technology Assessment http://www.dlr.de/tt Selected publications • MED-CSP www.dlr.de/tt/med-csp • TRANS-CSP www.dlr.de/tt/trans-csp and http://elib.dlr.de/83385/ • AQUA-CSP www.dlr.de/tt/aqua-csp • MED-CSD www.med-csd-ec.eu/eng/ • MENA Regional Water Outlook www.dlr.de/tt/menawater • Financing concentrating solar power in the Middle East and North Africa – Subsidy or investments? Energy Policy 39 (2011) 307-317 http://dx.doi.org/10.1016/j.enpol.2010.09.045 • Solar electricity imports from Middle East and North Africa to Europe Energy Policy 42 (2012) 341-353 http://dx.doi.org/10.1016/j.enpol.2011.11.091 Systems Analysis & Technology Assessment http://www.dlr.de/tt Contact Dr. Franz Trieb franz.trieb@dlr.de Jürgen Kern juergen.kern@dlr.de Tobias Fichter tobias.fichter@dlr.de Massimo Moser massimo.moser@dlr.de Denis Hess denis.hess@dlr.de +49 711 6862 - 423 +49 711 6862 - 8119 +49 711 6862 - 334 +49 711 6862 - 779 +49 711 6862 - 370 Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) Institut für Technische Thermodynamik System Analysis und Technology Assessment Wankelstr. 5 | 70563 Stuttgart | Germany www.DLR.de/tt/ Systems Analysis & Technology Assessment http://www.dlr.de/tt