Technology Performance Level (TPL) Scoring Tool
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Wave Venture, Penstraze (United Kingdom)
- Ecole Centrale de Nantes (France). Lab. of Research in Hydrodynamics, Energetics, and Atmospheric Environment (LHEEA)
- Ramboll, Copenhagen (Denmark)
- DNV GL, London (United Kingdom)
Three different ways of combining scores are used in the revised formulation. These are arithmetic mean, geometric mean and multiplication with normalisation. Arithmetic mean is used when combining scores that measure similar attributes, e.g. used for combining costs. The arithmetic mean has the property that it is similar to a logical OR, e.g. when combining costs it does not matter what the individual costs are only what the combined cost is. Geometric mean and Multiplication are used when combining scores that measure disparate attributes. Multiplication is similar to a logical AND, it is used to combine ‘must haves.’ As a result, this method is more punitive than the geometric mean; to get a good score in the combined result it is necessary to have a good score in ALL of the inputs. e.g. the different types of survivability are ‘must haves.’ On balance, the revised TPL is probably less punitive than the previous spreadsheet, multiplication is used sparingly as a method of combining scores. This is in line with the feedback of the Wave Energy Prize judges.
- Research Organization:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Water Power Technologies Office
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 1431463
- Report Number(s):
- SAND2016-8612; 647103
- Country of Publication:
- United States
- Language:
- English
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