The largest producer of electricity in the Islamic world is:

The correct answer is (C) Saudi Arabia. Saudi Arabia is the largest producer of electricity in the Islamic world, primarily due to its vast oil and natural gas reserves which fuel its power plants. The country has a high demand for electricity for industrial use, desalination, and air conditioning, leading to significant investment in its power generation infrastructure.

• (A) Kazakhstan, (B) Uzbekistan, and (D) Tajikistan are significant energy producers in Central Asia, but their overall electricity generation capacity and consumption are considerably lower than that of Saudi Arabia.
• Saudi Arabia's extensive fossil fuel resources and economic development have positioned it as the leading electricity producer among Islamic nations.