Photovoltaic and wind power plants will be the main sources of electricity generation in 2050. This is according to the latest BloombergNEF New Energy Outlook report with long-term scenarios for the development of the global energy sector up to 2050.
The report looks at two main scenarios. 
The Economic Transition Scenario (ETS) contains a baseline assessment of the outlook for the energy sector based on an analysis of technologies and their cost, without taking into account "political interference".
The NetZero scenario describes the likely pathway to meet the Paris Climate Agreement targets. BNEF's modeling shows that limiting the global temperature rise to 1.5 degrees Celsius in 2050 looks increasingly unlikely. However, there are still pathways to achieve the possibility of staying within the 1.77 degrees Celsius range.
In both scenarios, colossal growth in electricity and electrification is expected in different sectors of the economy.
In the first scenario (ETS), annual world electricity production is projected to increase to 46 thousand kWh. TWh in 2050 (today it is about 28 thousand TWh per year). In the NetZero scenario - it will exceed 80 thousand TWh. TWh. Moreover, according to the second scenario, about 23 thousand TWh will be used. TWh will be used for hydrogen production.
The rapid development of electricity will be mainly driven by solar and wind generation technologies. In both scenarios, it is expected that they will be the largest (by a wide margin ) producers of electricity. Their total share under the ETS scenario will reach 65% and under the NetZero scenario will approach 80% in 2050.
In their report, the BNEF experts note that most studies tend to show that solar and wind will be the largest electricity producers by the middle of this century. For example, according to the International Energy Agency (IEA) scenario, the share of solar and wind generation capacity in the world will reach 45% to 69% in 2050, depending on the scenario.