In the sentence "Water is currently leading to the new energy of electric...", what is the role of this sentence?

The sentence "Water is currently leading to the new energy of electric..." functions primarily to state the main idea of the article. It establishes the direction and focus by highlighting the significant role of water in relation to electric energy. This statement sets the stage for the discussion that will likely follow, emphasizing the importance of water as a key factor in advancements or shifts within the energy sector. By presenting this concept, the sentence encapsulates the core theme, informing readers of the primary subject being addressed throughout the piece. As such, it serves to guide the reader’s understanding of what to expect in the article concerning energy innovations.