This weekend is the "big switch" for Lubbock Power & Light. 70% of LP&L's service area is being switched from the Southwest Power Pool grid (SPP) to ERCOT's (Electric Reliability Council of Texas).

11 LP&L substations were switched from SPP to ERCOT on Saturday, and no major problems were reported.

LP&L crews then started work at 6am on Sunday, and by 7:15am on Sunday LP&L crews had switched two more substations from SPP to ERCOT (Chalker and Thompson).  Three more substations serving south and east Lubbock are scheduled to be switched over on Sunday morning.

Here's a map of the portion of the LP&L service area that is being converted to ERCOT on Sunday, May 30. (Green = already switched  Dark Grey = to be switched)

City of Lubbock

Here's LP&L's running commentary of Saturday's work:

May 29, 2021

6:10 p.m. - Day 1 of 2: COMPLETE! At crews completed work on the last of 11 substations scheduled for connection to ERCOT today. Thank you to all of our customers for your patience and cooperation, and to all of the crews and City staff helping make this a smooth process. We will resume work tomorrow at 6 a.m. for day 2!

5:47 p.m. - Crews are beginning work to connect the McDonald Substation to ERCOT. This is the last of the 11 substations we will be connecting today.

5:21 p.m. - UPDATE: Crews successfully completed work to connect the Northwest Substation to ERCOT.

5:10 p.m. - Work schedule shifting two hours. Work expected to be complete by 7:00 p.m.

4:54 p.m. - Crews are beginning work to connect the Northwest Substation to ERCOT. This is #10 of 11 substations we will be connecting today.

4:36 p.m. - UPDATE: Crews successfully completed work to connect the Vicksburg Substation to ERCOT.

4:03 p.m. - Crews are beginning work to connect the Vicksburg Substation to ERCOT. This is #9 of 11 substations we will be connecting today.

3:38 p.m. - UPDATE: Crews successfully completed work to connect the McCullough Substation to ERCOT.

2:40 p.m. - Crews are beginning work to connect the McCullough Substation to ERCOT. This is #8 of 11 substations we will be connecting today.

2:10 p.m. - UPDATE: crews successfully completed work to connect the Coop Substation to ERCOT.

1:29 p.m. - Crews are beginning work to connect the Co-op Substation to ERCOT. This is #7 of 11 substations we will be connecting today.

1:02 p.m. - UPDATE: Crews successfully completed work to connect the Wadsworth Substation to ERCOT.

12:39 p.m. - Crews are beginning work to connect the Wadsworth Substation to ERCOT. This is #6 of 11 substations we will be connecting today.

12:12 p.m. - UPDATE: crews successfully completed work to connect the Red Raider Substation to ERCOT.

11:50 a.m. - Crews are beginning work to connect the Red Raider Substation to ERCOT. This is #5 of 11 substations we will be connecting today.

11:33 a.m. - UPDATE: crews successfully completed work to connect the Brandon Substation to ERCOT.

11:14 a.m. - Crews are beginning work to connect the Brandon Substation to ERCOT. This is #4 of 11 substations we will be connecting today.

10:44 a.m. - UPDATE: crews successfully completed work to connect the Erskine Substation to ERCOT.

10:24 a.m. - Crews are beginning work to connect the Erskine Substation to ERCOT. This is #3 of 11 substations we will be connecting today.

9:57 a.m. - UPDATE: crews successfully completed work to connect the Mackenzie Substation to ERCOT.

9:27 a.m. - Crews are beginning work to connect the Mackenzie Substation to ERCOT. This is #2 of 11 substations we will be connecting today.

9:03 a.m. - UPDATE: crews successfully completed work to connect the Northeast Substation to ERCOT.

8:23 a.m. - Crews are beginning work to connect the Northeast Substation to ERCOT. This is #1 of 11 substations we will be connecting today.

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