Estonia has 2,222 islands, of which 22 are permanently inhabited. The largest islands are Saaremaa (2,673 km²) and Hiiumaa (989 km²). Most of Estonian islands are however below 100 km². Of the total population of Estonia, 3% lives on the islands. This corresponds to 44,100 people. Whereas Estonia is a unitary state, some islands are separate municipalities and will as such have the same municipal autonomy as mainland municipalities. Saaremaa and Hiiumaa are regional authorities (counties).
Clean energy national targets
The Integrated National Energy and Climate Plan for Estonia for the period 2021-2030 aims to increase its RES-E consumption from 19% in 2020 to 40% in 2030. In the heating sector, the target is to increase the share of RES-H from 55% in 2020 to 63% out of total consumption by 2030. The Estonian target for 2030 is to reach a 14% share of renewable in the final share of transport sector consumption.