 This energy consumption is divided as 7.5% coming from traditional biomass, 4.2% as heat energy (non-biomass), 1% biofuels for transport, 3.6% hydro electricity and 2% electricity from wind, solar, biomass, geothermal, and ocean power.Worldwide investments in renewable technologies amounted to more than US$289 billion in 2018, with countries like China and the United States heavily investing in wind, hydro, solar and biofuels.Renewable energy resources exist over wide geographical areas, in contrast to other energy sources, which are concentrated in a limited number of countries.