Defendants-Appellants Trina Solar (U.S.), Inc. and Trina Solar Co., Ltd. (collectively "Trina Solar") appeal the district court's order denying Trina Solar's motion to compel arbitration and remanding the case to state court. Trina Solar contends that the Federal Arbitration Act ("FAA") confers jurisdiction for their removal and for this appeal, and that the district court decision made an antecedent merits determination about arbitrability that is separable from the remand and reviewable on appeal. Plaintiffs-Appellees TotalEnergies Renewables USA, LLC, et al. ("TotalEnergies") assert that the district court appropriately remanded for lack of subject matter jurisdiction, and that the arbitrability determination is not separable. ...