**Extremely useful comparison + charts** Covers 11 technologies from 6 data sources. Source detail included in appendix. Costs: capital, fixed, operating, learning factor; Technical: size, heat rate, [potential] capacity factor, service life. Note on unit life: not all data sets include this, some run as long as plant is economic (no pre-determined retirement age), can represent max service life or is just used to compute economics (e.g. LCOE).