The relative distribution of market value across the sectors is shown in Figure 3. Six of the 23 products and services ‐ Alternative Fuels (), Building Technologies (), Alternative Fuels for Vehicles (), Wind (), Geothermal () and Waste Water Treatment () ‐ together account for 60% of total market value. Other activities, while currently relatively low in market value, have within them the potential for new technologies to be developed and brought to market in full‐scale commercialisation. Activities in this sector include Wave and Tidal Power and Additional Energy sources such as hydrogen fuel cells. Of the 2490 individual products and services analysed in this report, 11 were worth over £1 billion, 100 were worth more than £200 million and 260 worth over £100 million. .