Who is the owner of Powergrid?

Could you please clarify who the owner of Powergrid is? Is it a publicly traded company with shareholders, or is it owned by a private entity or government? If it's publicly traded, could you provide some insight into its ownership structure and major shareholders? Additionally, how does the ownership of Powergrid impact its operations and decision-making processes? Understanding the ownership structure of Powergrid is crucial in assessing its financial health and future prospects.