14 August 1946 Wrexham, N. Wales
1965 - 1969:
B.Sc. (Hons.) in Civil Engineering
University of Edinburgh, Scotland
Graduate Member of the Institution of Civil Engineers (UK)
Member of the British Hydrological Society and Main Committee Member (1993-95).
1983 to date:
Director, POWER & WATER SYSTEMS CONSULTANTS Ltd
Asian Development Bank TA9003 'Integrated Resource Planning with Strategic Environmental Assessment in the Greater Mekong Sub-region (GMS)'. Contract variation to investigate the feasibility of considering 'externalities' when optimising power system expansion plans. Using the Vietnamese power system as an example, Program CAPRICORN
was employed to study the practicality of explicitly considering: annual emission targets and investment cost limits; Hydrological Condition related hydro energy availabilities and the imposition of strategic demand management measures; alternative demands reflecting the introduction of 'energy efficiency' measures and associated investment costs. [in association with Ricardo Energy & Environment]
: Design and development of a Mixed Integer Linear Programming based methodology for simultaneously optimising the commissioning of candidate hydro, thermal and wind generation plant, transmission lines, imports and exports, subject to project interdependencies, annual operating, investment cost, emission and fuel limits. Minimisation of total investment and operating costs, including demand area dependent supply benefits and shortage penalties.
2013-14 Electricity Masterplan Ethiopia: Evaluation of alternative long-term plans to expand the Ethiopian electricity generation system until 2037 using Program EPSIM
. Development of methodology for varying hydro plant capabilities as a function of demand/system configuration 'years', and taking explicit account of seasonal wind, biomass and solar plant availabilities. Training of EEPCO staff in the use of Program EPSIM
. [In association with Parsons Brinckerhof].
Electricity Masterplan Ethiopia: Construction of AQUARIUS
models of existing and potential electricity generation systems, and estimation of hydro plant capacity and energy availabilities as a function of hydrological condition, for input to expansion planning procedures. Training of EEPCO staff in the application and usage of Program AQUARIUS
. [In association with Parsons Brinckerhoff].
Provision of Consultancy Services for Hydro/Thermal Power Dispatch System upgrade. Actualisation of historic stream flow series, extreme value analysis and enhancement of AQUARIUS
models to include multiple electricity demands and associated transmission line networks. World bank funded project for the Tanzanian Electric Supply Company (TANESCO). top
Development of Program AQUARIUS
facility to optimize short-term water resource and power system operation for up to 7 days ahead, based on forecast daily demands, reservoir inflows and wind speeds. top
Development of Program EPSIM
to enable automatic construction of alternative system expansion plans in accordance with user specified generation project ranking criteria, taking into account defined capacity and energy reserve margins and project interdependencies. top
Provision of Consultancy Services for Hydro/Thermal Power Dispatch System Upgrade - Tanzania Electric Supply Company (TANESCO). Enhancement of AQUARIUS
models to include multiple electricity demands and associated transmission line networks. top
Installation of Program AQUARIUS
in offices of Tanzania Electric Supply Company (TANESCO) in Dar es Salaam and training of staff in its usage. Construction of AQUARIUS
models for system configuration and demand conditions expected to pertain in 2009, 2010 and 2011. top
Development of AQUARIUS
models of the Tanzanian electricity generation system, comprising 3 reservoirs, 55 river reaches, 26 flow points, 8 river abstractions, 21 supply aqueducts, 6 transfer aqueducts, 3 treatment works, 11 water demands, 3 drought conditions. top
Development of Program AQUARIUS
to allow sequential simulations to be performed using up to 3 different AQUARIUS
models. In this way studies can be made of system performance over 3-year sequences from within the historic record, taking account of any data changes between models e.g. system configuration, demands, operating policies, costs etc. top
Development of AQUARIUS
model of River Dee system in North Wales, comprising 3 reservoirs, 55 river reaches, 26 flow points, 8 river abstractions, 21 supply aqueducts, 6 transfer aqueducts, 3 treatment works, 11 water demands, 3 drought conditions. top
Development of Program AQUARIUS
to include optimisation of individual reservoir control curves and 'multiple' regime operating policies, flow generation, 'time-of-travel' modelling. and 7 day ahead simulation with flow forecasting facilities. top
Development of AQUARIUS
model of Sri Lankan power generation and irrigation supply system comprising 17 reservoirs, 57 river reaches, 30 flow points, 11 river abstractions, 15 supply aqueducts, 13 transfer aqueducts, 13 hydro plants, 7 thermal plants and 15 water demand areas. top
Development of AQUARIUS
model of the Integrated Water Resource/ Supply System of United Utilities Water comprising 19 reservoirs, 44 river reaches, 29 flow points, 13 river abstractions, 11 water sources, 19 treatment works, 14 pumping stations, 36 supply aqueducts, 74 transfer aqueducts, 16 junction points and 23 water demands. top
Inclusion of wind plant modelling in Program AQUARIUS
Further development of MOSPA model for simulating operation of the Integrated Water Resource/Supply System operated by United Utilities Water (United Utilities plc - UK). top
Sri Lanka : Updating of computer program SYSIM for simulating operation of the integrated Sri Lankan hydro-thermal power generation and irrigation supply system (World Bank funded study for the Ceylon Electricity Board). top
Development of computer program AQUARIUS
for simulating and optimising operation of integrated water and power supply systems. Screen input of system components and data. Linear Programming optimisation of system operation within daily, weekly or calendar monthly time steps, with up to 24 load dispatch blocks per time step. Storage of simulation results in Microsoft ACCESS© format database with comprehensive facilities for graphical display of results as time series or in 'mimic' diagram form. Optimisation of long-term stored water values as a function of reservoir contents and calendar month or week, using proprietary stochastic Dynamic Programming algorithm. top
Testing of the computer program DECOMP to be used for determining sub-market weekly 'spot' prices within the integrated Brazilian hydro-thermal system. Formulation of technical tests to be performed and analysis of results obtained. Evaluation of weekly flow generation model PREVIVAZ. (Administrator of Services to the Wholesale Energy Market [ASMAE], in association with PricewaterhouseCoopers) top
Analysis of problems encountered during October 2000 when determining sub-system water values for the integrated Brazilian power generation system using computer programs NEWAVE and NEWDESP. (Administrator of Services to the Wholesale Energy Market [ASMAE], in association with PricewaterhouseCoopers) top
Testing of the computer program NEWAVE used for determining sub-market monthly 'spot' prices within the integrated hydro-thermal system of Brazil. Formulation of technical tests to be performed and analysis of results obtained. Evaluation of a monthly synthetic flow generation model GEVAZP. (Administrator of Services to the Wholesale Energy Market [ASMAE], in association with PricewaterhouseCoopers) top
Installation of PWSC's MOSPA/MOSES computer program package for simulating and optimising the operation of water resource and supply systems on client computer systems, and training personnel in its applications and usage (UK Environment Agency - Wales) top
Development of an on-line 'help' system for the MOSPA/MOSES computer programs (For North West Water Ltd. and the Environment Agency - North West Region). top
Development of computer program EPSIM
for the interactive specification, evaluation and comparison of alternative power system expansion plans i.e. generation and transmission. Linear programming based load dispatch simulations are used to calculate expected operating costs and supply reliability for each month of the planning period, and for up to 5 hydrological conditions. Deterministic and probabilistic load dispatch options. Full economic analysis is performed for sets of discount and fuel price escalation rates, and shadow prices. EPSIM
is particularly suitable for comparing alternative IPP proposals with different plant capacities, lifetimes, fixed and variable energy supply costs and minimum load factors ('take or pay' constraints). top
Restructuring of the Brazilian Power Sector : Review of power sector investment plans and methodology employed in planning the expansion and operation of the national hydro-thermal generation system. Formulation of proposals for computer modelling and requirements for optimising future operation of privatised system and marginal cost determination. Formulation of draft Grid Procedures covering long, medium and short-term operations planning; advice on information transfer and database requirements (World Bank funded study, in association with PriceWaterhouseCoopers) top
Sri Lanka: Appraisal of the Ceylon Electricity Board's power sector investment plans and associated methodology. (Asian Development Bank funded study, in association with Electrowatt Engineering Services) top
Turkey: Power Sector Reform Programme : Review of power sector investment plans and methodology used in planning the expansion and operation of integrated hydro-thermal generation systems. Formulation of proposals for computer modelling and optimisation requirements for future operation of privatised national power system. (World Bank funded study, in association with Coopers & Lybrand) top
Development and application of MOSPA simulation model of the integrated water resource and supply systems of North West Water Ltd. Modelling of River Dee regulation system (North Wales), Lake Vyrnwy, and the interconnected Southern and Northern Command Zone sub-systems. Optimisation of system operating policies for different demand scenarios [For North West Water Ltd. & the Environment Agency - North West, UK] top
Installation and training in the use of the MOSPA Run-time Environment System (MOSES) on client PC's. [For North West Water Ltd. and the Environment Agency - North West, UK] top
Development of MOSPA run-time environment system (MOSES) for the interactive creation and editing of input data files; viewing of output files, graphical and tabular presentation of results; creation of system schematics; database storage and retrieval of associated information. [For the National Rivers Authority - North West, UK] top
Development of a simulation model of the Lancaster water supply system and application of the MOSPA package to derive optimised operating policies. [For North West Water Ltd, England] top
Enhancement of the MOSPA program suite for the optimisation of medium-term operating policies and the production of abstraction schedules [For North West Water Limited, England] top
Simulation and optimisation analyses associated with the possible redeployment of Lake Vyrnwy as part of a national water resources strategy [For the National Rivers Authority and North West Water Limited, England] top
ImpImplementation of the MOSPA program suite on IBM RS/6000 computer system running under AIX (UNIX) operating system, and development of interface to corporate data base [For North West Water Limited, England] top
Implementation of the MOSPA program suite on PC's, development of generalised water resource system models and user training [For the National Rivers Authority - North West Region, England] top
Vision 2000 Information Technology Project. Appraisal of water resources modelling requirements and advice on future strategy. [For North West Water Limited, England]top
Enhancement of the MOSPA program suite for the quantitative assessment of drought management measures, and their incorporation in operating policies consistent with achieving Levels of Service as defined by OFWAT. [For North West Water Limited, England] top
Provision of computer software for managing flows in the Sanaga River Basin, Cameroon. Optimising the medium and short-term operation of three reservoirs to provide regulated flows for hydropower generation, taking into account time-of-travel and channel routing effects. [For the Societe Nationale D'Electricite du Cameroun - SONEL]. top
Economic Operation of the Southern Command Zone system. Derivation of policies to optimise conjunctive operation of reservoir, river abstraction and groundwater resources, existing and potential system configurations. [For the North West Water Authority, England] top
Determination of Marginal Operating Costs for the Northern Command Zone system; derivation of operating policies for a range of demand and supply reliability levels. [For the North West Water Authority, England] top
Economic Operation of the Lancashire Conjunctive Use Scheme; optimisation of seasonal operating policies, based on reservoir levels, to minimise pumping and treatment costs while maintaining prescribed reliability of supply. [For the North West Water Authority, England] top
Implementation, development and application of a computer simulation program (SYSIM) to model major water resource developments in Sri Lanka used for power production and irrigation. [GTZ funded Masterplan for Electricity Supply, Sri Lanka] top
Optimal Operation of Kinda Multi-Purpose Project, Burma ; derivation of seasonal operating policies to maximise irrigation and hydropower benefits. [For Lahmeyer International] top
Economic Operation of the Lake District Water Resource System; optimisation of seasonal operating policies, based on reservoir levels, to minimise pumping and treatment costs while maintaining prescribed reliability of supply. [For the North West Water Authority, England] top
Identification, appraisal and selection of available computer models for determining marginal production costs of a hydro-thermal generation system [for the North of Scotland Hydro-Electric Board] top
Development of the MOSPS computer program, combining a system simulation model with a generalised stochastic Dynamic Programming algorithm to optimise long term operating policies. top
1981 – 1983
INDEPENDENT CONSULTING ENGINEER
Power and Water Systems
Development of a generalised simulation program (SYSIM) for modelling the operation of hydro-thermal power generation systems.
Preparation of technical offers for 'Burundi Electricity Masterplan' and 'Bangladesh Power System Masterplan' [For Lahmeyer International]
Technical and Economic Evaluation of the Santa Maria II hydroelectric scheme (68 MW), Guatemala. [For Lahmeyer International]
1974 - 1981
LAHMEYER INTERNATIONAL GmbH, Consulting Engineers
Frankfurt am Main, Federal Republic of Germany
Senior Engineer, Division of Electrical Networks and Energy Planning
Review of mathematical models for energy planning at the regional and national level. top
Estudio del Equipamiento del Sistema Electrico Nacional, Uruguay
Project manager with overall technical and organisational responsibility, the principal study activities being :
- Electricity demand forecasting at the national level, sectoral, seasonal and macro-economic trends;
- Hydrological studies to determine representative flow sequences at existing and potential hydropower sites, and estimation of design droughts, floods and sediment.
- Development of computer program to model the Uruguayan hydro-thermal generation system and optimal forms of operation, including hydraulic interaction, load dispatch optimisation, system operating policies, supply reliability in terms of penalty functions and consumer restrictions, pumped storage plants, bi-national operation of 'run-of-river' plant and the import and export of electrical energy.
- Establishment of thermal power plant catalogue including gas turbine, combined cycle, conventional steam (oil and coal) and nuclear plant, including technical and cost parameters. Identification, preliminary design and cost estimation of potential hydropower developments, including low head (bulb turbine) and pumped storage schemes.
- Establishment, evaluation and comparison of alternative equipment plans featuring thermal and hydroelectric plants and interconnection with neighbouring countries. Economic appraisal and sensitivity analysis with respect to discount rates, demand forecasts, fuel prices, penalty costs for shortfalls in supply and unit prices for the import and export of electrical energy.
- Recommendations regarding optimum equipment schedules, alternative fuels, supply reliability criteria and the exploitation of non-conventional energy resources.
Plan Maestro de Electrificacion, Peru
Senior hydrologist and water resource engineer
- Design and establishment of hydrological data bank at the national level on mini-computer system. Adjustment and extension of historic streamflow and rainfall records; statistical studies of relationships between physical and hydro-meteorological parameters.
- Estimation of the national hydroelectric potential, and creation of a river system and morphological data bank.
- Evaluation of existing and potential hydropower projects.
Plan Maestro para el Desarrollo del Sistema Electrico de Nicaragua.
Hydrological and water resource systems analysis
Pre-feasibility Studies for the Xalala, Serchil, Chulac and El Carmen
Hydropower Projects, Guatemala
Studies for the Xalala, Serchil, Chulac and
El Carmen Hydropower Projects, Guatemala. top
Plan Maestro de Electrificacion Nacional, Guatemala
Hydrologist and systems analyst
- Evaluation of theoretical and technical national hydropower potential. Design and establishment of computer based hydrological data bank. Development and application of computer programs for hydrological analyses, including extension of historic streamflow sequences, estimation of design floods and analysis of low flow sequences. Development of a methodology for the rapid estimation of energy production associated with hydroelectric projects. Derivation of ranking indices for comparing hydro and thermal power projects.
THE CONFEDERATION OF BRITISH INDUSTRY (CBI)
England : Technical Adviser, Fuel and Energy
- Formulation and analysis of energy policy at national, EEC and international level, with emphasis on industrial use and North Sea oil production.
1969 - 1973
WATER RESEARCH ASSOCIATION
Medmenham, Bucks. England. [now the Water Research Centre]
Senior Scientific Officer, Economics Group
- Development of computer programs for the simulation and optimisation of water resource systems using mathematical programming and operations research techniques.
English : mother tongue Spanish : good working knowledge
French : basic knowledge Portuguese : reading ability
OVERSEAS PROFESSIONAL VISITS AND RESIDENCE:
Brazil, Cameroon, Cyprus, Ethiopia, France, Germany, Greece, Guatemala (1974-76), Italy, Nicaragua, Peru (1976-79), Philippines, Sri Lanka, Switzerland, Tanzania, Turkey, Uruguay (1979-80), USA, Venezuela, Vietnam.
Programming in FORTRAN and MS Visual Basic. IBM and CDC mainframes; Hewlett Packard, Data General and CADMUS (Unix) mini-computer systems; IBM PC compatibles, IBM RS/6000 AIX (UNIX). Spreadsheet, Graphics, Word Processing and Database (MS OFFICE, DBASE, Visual Objects, VB/ACCESS) Packages.
PAPERS AND PUBLICATIONS
"Some Conjunctive Desalination Studies in the UK". Water Resources Bulletin, September 1971. Co-author.
"Streamflow Regulation by Artificial Recharge Fed from Upstream Surface Storage : Derivation of Control Rules". IASH Symposium, Warsaw, Poland, 1971. Principal author.
"An Integrated Model for Water Systems". Symposium on Computers in Water Systems, Reading, England, 1973
"Pumping Policies in Water Supply". IFAC Symposium, 1973. Co-author.
"Planning and Operational Studies in the Integrated Use of Desalination : Case Studies for Cyprus and Jersey". Published in 'Desalination', 1974. Co-author.
"Primera Estimacion de la Energia y Potencia de Proyectos Hidro-electricos Individuales e Interconectados". Seminario Interamericano de Hidroelectricidad, Venezuela, 1977.
"Bancos de Datos - Su Rol en Estudios Tipo Plan Maestro". Simposio Planes Maestros de Electrificacion, Lima, Peru, 1978.
"Assessing Hydropower Potential in Developing Countries". IWRA Third World Congress, Mexico City, 1979 and published in 'Water International', September 1979. Principal author.
"Reservoir Storage Use for Hydropower Production Considering Costs of Back-up Capacity and Supply Restrictions". Symposium on Surface Water Impoundments, Minneapolis, USA, 1980. Principal author.
"Electricity Generation Planning for Uruguay". 'Water Power & Dam Construction', June 1986.
"Use of a Dynamic Programming Technique for Optimising Operation of a Regional Water Resource System". 'AQUA - The Journal of the International Water Supply Association', No. 5, 1987. Co-author.
"Medium-Term Operating Policies for Hydro-Thermal Systems". 'Modern Power Systems', January 1988. Principal author.
"System Simulation and Optimisation - Useless, Useful or Essential ?" Presented at the Sixth IWRA World Water Congress on Water Resources Ottawa, Canada, May-June 1988. Principal author.
"Operational Aspects and Generation Expansion Planning of Hydro-Thermal Systems". Presented at the Third Regional GTZ Symposium on Long-Term Power System Planning, Colombo, Sri Lanka, 19-24 September 1988.
"Derivation and Application of Medium-Term Operating Policies for the Northern Command Zone System of North West Water (UK)". Presented at the IAHS Baltimore Symposium, May 1989. Co-author.
"The Development and Use of Medium-Term Policies for Operation of a Major Regional Water Resource System". Presented at the Second BHS National Hydrology Symposium, Sheffield, 4-6 September 1989. Co-author.
"Computer Software for Optimising the Releases from Multiple Reservoirs Operated for Flow Regulation". Presented at the British Dam Society Conference on Water Resources and Reservoir Engineering, Stirling, 24-27 June 1992. Principal author.
"Drought Management Measures and their Incorporation within Water Resource System Operating Policies". Presented at the Fourth BHS National Hydrology Symposium, Cardiff, 13-16 September 1993. Principal author.
"An Integrated System for the Modelling and Management of Water Supply Systems". Proceedings of the Second European Conference on Advances in Water Resources Technology and Management. Tsakiris & Santos (eds) 1994 Balkema. Principal author.
"Evaluating the Impact of Drought Management Measures within Complex Water Resource Systems". Proceedings of the Second European Conference on Advances in Water Resources Technology and Management. Tsakiris & Santos (eds) 1994 Balkema. Principal author.
"Modelling the Possible Re-Deployment of Lake Vyrnwy". Analytical Techniques for the Development and Operations Planning of Water Resource and Supply Systems. Proceedings of BHS National Meeting, November 1994 and published as BHS Occasional Paper No. 4. Principal author.
"An Integrated Approach to Modelling Water Resource and Supply Systems". Analytical Techniques for the Development and Operations Planning of Water Resource and Supply Systems. Proceedings of BHS National Meeting, November 1994 and published as BHS Occasional Paper No. 4. Principal author.
"An Integrated Simulation and Dynamic Programming Approach for Evaluating the Performance of Complex Water Resource Systems and Optimising Operating Policies : Methodology and Applications"
Paper presented at IAHR International Workshop on "Drinking Water Systems Characterised by Different Sources : Design, Management and Monitoring of Quality of Supplied Waters". Turin, Italy, September 1996. Author.
"Reservoir Operation - The Case for Water Value Based Policies"
'Circulation' - Newsletter of the British Hydrological Society - No. 94, August 2007
"Simulating and Optimising the Operation of Integrated Water Resource and Electricity Supply Systems in Africa"
Paper presented at AFRICA 2013 conference on 'Water Storage and Hydropower Development for Africa', Addis Ababa, Ethiopia, April 2013. Principal Author.
"Planning Development of Ethiopia's Hydropower Resources"
Paper presented at HYDRO 2015 conference on 'Advancing Policy and Practice', Bordeaux, France, October 2015. Principal Author.