Southwest Power Pool (SPP) RTO Expansion is now live, and Yes Energy customers can start diving into the data now! There are over 1,000 new price nodes in SPP West with both day-ahead (DA) and real-time (RT) location marginal prices (LMPs) now available.
The first DA LMPs for SPP West were published on March 31, 2026, for April 1, 2026, and the first RT LMPs were posted just after midnight on April 1, 2026.
Source: Yes Energy
As expected, DA numbers were more conservative than the RT clearances, which have been significantly higher than DA. Since SPP RTOE went live, the DA LMPs averaged $20.86 for the East BAA and $22.60 for the West BAA. RT LMPs have averaged $91.31 for the East BAA and $44.94 for the West BAA. These numbers are as of April 1, 2026, at 12:45 p.m. CT.
Average LMPs by BAA as of April 1, 2026, at 12:45 p.m. CT
|
BAA |
Min DA LMP |
Max DA LMP |
Avg DA LMP |
Min RT LMP |
Max RT LMP |
Avg DA LMP |
|---|---|---|---|---|---|---|
|
East |
-$113.71 |
$541.95 |
$20.86 |
-$84.48 |
$1,045.02 |
$103.66 |
|
West |
$10.30 |
$38.21 |
$22.64 |
-$67.67 |
$269.05 |
$48.56 |
Source: Yes Energy
Average LMPs by Hour for the SPP West BAA (SWPW) as of April 1, 2026, at 12:45 p.m. CT
|
BAA |
Hour |
Min DA LMP |
Max DA LMP |
Avg DA LMP |
Min RT LMP |
Max RT LMP |
Avg RT LMP |
|---|---|---|---|---|---|---|---|
|
SPPISO-West |
4/1/26 1:00 |
$14.90 |
$36.55 |
$26.02 |
Gap from ISO |
Gap from ISO |
Gap from ISO |
|
SPPISO-West |
4/1/26 2:00 |
$15.10 |
$20.17 |
$18.34 |
$10.67 |
$12.64 |
$11.91 |
|
SPPISO-West |
4/1/26 3:00 |
$16.17 |
$20.12 |
$18.63 |
$25.08 |
$30.36 |
$28.57 |
|
SPPISO-West |
4/1/26 4:00 |
$15.48 |
$19.88 |
$18.38 |
$16.88 |
$20.48 |
$19.23 |
|
SPPISO-West |
4/1/26 5:00 |
$16.36 |
$20.44 |
$19.05 |
$18.19 |
$22.07 |
$20.74 |
|
SPPISO-West |
4/1/26 6:00 |
$16.85 |
$20.99 |
$19.47 |
$22.65 |
$27.53 |
$25.87 |
|
SPPISO-West |
4/1/26 7:00 |
$24.07 |
$30.20 |
$27.87 |
$36.58 |
$44.16 |
$41.55 |
|
SPPISO-West |
4/1/26 8:00 |
$24.67 |
$30.90 |
$28.47 |
$225.25 |
$269.05 |
$253.08 |
|
SPPISO-West |
4/1/26 9:00 |
$25.66 |
$35.53 |
$31.63 |
$71.61 |
$86.91 |
$81.59 |
|
SPPISO-West |
4/1/26 10:00 |
$21.17 |
$38.21 |
$30.32 |
-$67.67 |
-$55.77 |
-$63.56 |
|
SPPISO-West |
4/1/26 11:00 |
$16.15 |
$30.87 |
$23.87 |
$17.07 |
$20.20 |
$19.05 |
|
SPPISO-West |
4/1/26 12:00 |
$10.67 |
$25.16 |
$18.03 |
$130.25 |
$152.77 |
$143.39 |
|
SPPISO-West |
4/1/26 13:00 |
$10.52 |
$23.39 |
$17.02 |
$1.19 |
$1.40 |
$1.33 |
|
SPPISO-West |
4/1/26 14:00 |
$10.50 |
$22.24 |
$16.48 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 15:00 |
$10.30 |
$22.24 |
$16.35 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 16:00 |
$10.43 |
$23.42 |
$17.09 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 17:00 |
$16.76 |
$20.65 |
$19.31 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 18:00 |
$17.35 |
$21.42 |
$19.94 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 19:00 |
$13.60 |
$27.23 |
$21.57 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 20:00 |
$22.55 |
$30.26 |
$28.30 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 21:00 |
$23.30 |
$34.34 |
$31.51 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 22:00 |
$19.31 |
$31.44 |
$28.18 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/1/26 23:00 |
$21.94 |
$26.74 |
$24.53 |
Not yet available |
Not yet available |
Not yet available |
|
SPPISO-West |
4/2/26 0:00 |
$21.72 |
$24.81 |
$23.03 |
Not yet available |
Not yet available |
Not yet available |
Source: Yes Energy
Keep an eye out for deeper analysis from us in the future regarding the impact of SPP RTOE on prices, congestion, and other market dynamics in SPP.
Want more information about SPP RTOE data in Yes Energy?
We compiled a list of FAQ on the market change, or you can reach out to our team.
