► Advantages: lower initial cost per unit. ► Disadvantages: complexity, high installation cost, noise, visual impact, and less suitability for residential areas due to the limited capacity of domestic turbines. Solar panels take care of power generation during the daytime when wind speed is slower, and wind turbines take care of power generation at night when solar. Wind Energy Excels in Efficiency but Requires Optimal Conditions: While wind turbines achieve 35-45% efficiency compared to solar's 20-24%, they require consistent wind speeds of 12+ mph and rural locations with adequate space. However, when deciding. On environmental impact, wind turbines produce less carbon dioxide than brewing a cup of coffee [4. 64 grams per kilowatt-hour], while solar arrays emit about as much as driving a car one city block [70 grams]. What is Cheaper Solar or Wind Power?Both wind and solar have positive attributes in terms of energy generation. Each has a different set of drawbacks. If you are searching for a new source of clean energy, it's important to understand the advantages and limitations of both renewables.