Docket No. ER15-1817 SDG&E’s Fourth Annual Informational Filing under the Appendix X Formula of the Transmission Owner Tariff 472.56 KB PDF Cover Letter Cover Letter 5.22 MB PDF Appendix X Cycle 4 - Volume 1 of 2 Appendix X Cycle 4 - Volume 1 of 2 4.63 MB PDF Appendix X Cycle 4 - Volume 2 of 2 Appendix X Cycle 4 - Volume 2 of 2