Fifth, more detailed research was conducted on the selected measures and the results compiled into written summaries and numerical database entries. Seventh, the results of this study were compared to the previous 1993 Emerging Technologies study in order to examine trends and lessons learned. And finally, all of the data were compiled into this written report and a companion database. Since many of the technologies and practices covered in this report either have not yet been commercialized and are just niche products, estimates of items such as measure cost, savings, and commercialization date are generally imprecise. The project team has chosen to round figures for the cost of saved energy and savings potential ratings to one significant digit as finer distinctions would be meaningless.
Data quality varies considerably among measures.
Data reported should be viewed as the midpoint of a range, with endpoints between 10 and 50 percent higher and lower than the midpoint, where the size of the range varies with the quality of the data available. In some cases data were obtained from several sources and there was general agreement between sources as to specific data values. In other cases, data were based on only preliminary estimates obtained from only one source, often a source with a vested interest in promoting the product. A data quality indicator is included with each measure to aid in interpreting the data. Costs and savings will vary with application.