The aim of the brainstorming session should be to generate the most ideas possible within a specific period of time. An effective brainstorming session will last anywhere from 15 to 45 minutes, and 30 minutes is usually ideal. The best number of participants for a brainstorming session is between four to seven people. Any less than four, and you run the risk of not having enough stimulation for creative thinking.
More affordable wind turbines range from $200 to $600. These turbines are typically smaller, which means less electricity is generated. Larger wind turbines can cost as much aâ¦s $2,000 for those used in the home and upwards of $20,000 for those used industrially.
The older wind turbine maintenance cost per annum has been on average 3 percent of the cost of original turbine. The reason is, as, new turbines are generally quite large, you donât need to service the large turbine comparatively small one. The new turbines are being manufactured with new techniques and materials so, they save your maintenance cost. The new wind turbine cost is in between 1.5 percent to 2 percent, per annum.