In our fifth annual Clean Edge Tech Maturation Model, our team drew on decades of collective industry experience to compare more than 50 clean technologies across energy, transportation, water, and grid sectors. These technologies are ranked by both their stage of development (pre-commercial to mass market availability) and cost competitiveness (low to high). Technologies at the top right of the chart (such as utility-scale solar PV, utility-scale onshore wind, and 100-300 mile-range passenger EVs) are considered fully mature technologies, while those at the bottom left (such as fusion power and all-electric long-haul air travel) are still in the lab and many years from commercial viability, if ever. This year, we’ve added shaded bands which group technologies by their progress in the maturation process: Ready Now, Under Development, and Long Shots. While many technologies follow upwards along the x and y axes as they mature, it’s important to note that some technologies may become available in the mass market but never be cost competitive (or vice versa), due to regulatory pressure or general need (PFAS treatment or nuclear power, for example). To view technological progress by each sector, check out the full model here. As always, we invite your feedback on this year’s model.