In Re TXU Electric Co.

filed a concurring opinion in which Justice ENOCH and Justice GODBEY (Assigned) join.

Mandamus is an extraordinary remedy available “only in situations involving manifest and urgent necessity and not for grievances that may be addressed by other remedies.” Walker v. Packer, 827 S.W.2d 883, 840 (Tex.1992). To obtain mandamus relief, the relator must demonstrate a clear abuse of discretion for which there is no adequate remedy at law. Id. at 839-40. A party establishes that no adequate remedy at law exists by showing that the party is in real danger of permanently losing its substantial rights.…