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| Trading date | Trading period start time | Case ID | Case run time | Scenario | Load (MW) | Price ($/MWh) | Base price ($/MWh) | Difference ($/MWh) | Difference (%) |
|---|---|---|---|---|---|---|---|---|---|
| 03/04/2025 00:00:00 | 03/04/2025 00:00:00 | 21302025041100872 | 03/04/2025 00:03:02 | Increase load at conforming nodes by 5.0% | 2054.722 | 431.56 | 347.28 | 84.28 | 24.27 |
| 03/04/2025 00:00:00 | 03/04/2025 00:30:00 | 21302025041130882 | 03/04/2025 00:33:02 | Increase load at conforming nodes by 5.0% | 1992.752 | 431.31 | 384.13 | 47.18 | 12.28 |
| 03/04/2025 00:00:00 | 03/04/2025 01:00:00 | 21302025041200890 | 03/04/2025 01:03:02 | Increase load at conforming nodes by 5.0% | 1926.948 | 430.73 | 338.08 | 92.65 | 27.40 |
| 03/04/2025 00:00:00 | 03/04/2025 01:30:00 | 21302025041230899 | 03/04/2025 01:33:02 | Increase load at conforming nodes by 5.0% | 1881.886 | 429.16 | 334.14 | 95.02 | 28.44 |
| 03/04/2025 00:00:00 | 03/04/2025 02:00:00 | 21302025041300907 | 03/04/2025 02:03:04 | Increase load at conforming nodes by 5.0% | 1859.841 | 412.84 | 333.16 | 79.68 | 23.92 |
| 03/04/2025 00:00:00 | 03/04/2025 02:30:00 | 21302025041330917 | 03/04/2025 02:33:03 | Increase load at conforming nodes by 5.0% | 1843.516 | 412.60 | 330.30 | 82.30 | 24.92 |
| 03/04/2025 00:00:00 | 03/04/2025 03:00:00 | 21302025041400925 | 03/04/2025 03:03:02 | Increase load at conforming nodes by 5.0% | 1819.397 | 398.23 | 327.60 | 70.63 | 21.56 |
| 03/04/2025 00:00:00 | 03/04/2025 03:30:00 | 21302025041430933 | 03/04/2025 03:33:02 | Increase load at conforming nodes by 5.0% | 1811.247 | 387.55 | 327.68 | 59.87 | 18.27 |
| 03/04/2025 00:00:00 | 03/04/2025 04:00:00 | 21302025041500941 | 03/04/2025 04:03:04 | Increase load at conforming nodes by 5.0% | 1830.168 | 401.35 | 328.36 | 72.99 | 22.23 |
| 03/04/2025 00:00:00 | 03/04/2025 04:30:00 | 21302025041530951 | 03/04/2025 04:33:02 | Increase load at conforming nodes by 5.0% | 1857.106 | 398.45 | 330.05 | 68.40 | 20.72 |
| 03/04/2025 00:00:00 | 03/04/2025 05:00:00 | 21302025041600959 | 03/04/2025 05:03:14 | Increase load at conforming nodes by 5.0% | 1989.136 | 430.65 | 334.38 | 96.27 | 28.79 |
| 03/04/2025 00:00:00 | 03/04/2025 05:30:00 | 21302025041630967 | 03/04/2025 05:33:12 | Increase load at conforming nodes by 5.0% | 2161.900 | 431.08 | 333.78 | 97.30 | 29.15 |
| 03/04/2025 00:00:00 | 03/04/2025 06:00:00 | 21302025041700975 | 03/04/2025 06:03:12 | Increase load at conforming nodes by 5.0% | 2428.284 | 437.81 | 339.62 | 98.19 | 28.91 |
| 03/04/2025 00:00:00 | 03/04/2025 06:30:00 | 21302025041730985 | 03/04/2025 06:33:13 | Increase load at conforming nodes by 5.0% | 2687.061 | 427.03 | 330.57 | 96.46 | 29.18 |
| 03/04/2025 00:00:00 | 03/04/2025 07:00:00 | 21302025041800997 | 03/04/2025 07:03:13 | Increase load at conforming nodes by 5.0% | 2975.960 | 448.33 | 334.40 | 113.93 | 34.07 |
| 03/04/2025 00:00:00 | 03/04/2025 07:30:00 | 21302025041830006 | 03/04/2025 07:33:13 | Increase load at conforming nodes by 5.0% | 3135.327 | 451.23 | 397.61 | 53.62 | 13.49 |
| 03/04/2025 00:00:00 | 03/04/2025 08:00:00 | 21302025041900020 | 03/04/2025 08:03:13 | Increase load at conforming nodes by 5.0% | 3203.305 | 451.49 | 438.27 | 13.22 | 3.02 |
| 03/04/2025 00:00:00 | 03/04/2025 08:30:00 | 21302025041930032 | 03/04/2025 08:33:13 | Increase load at conforming nodes by 5.0% | 3192.549 | 451.48 | 447.93 | 3.55 | 0.79 |
| 03/04/2025 00:00:00 | 03/04/2025 09:00:00 | 21302025042000040 | 03/04/2025 09:03:13 | Increase load at conforming nodes by 5.0% | 3179.571 | 451.29 | 439.73 | 11.56 | 2.63 |
| 03/04/2025 00:00:00 | 03/04/2025 09:30:00 | 21302025042030050 | 03/04/2025 09:33:14 | Increase load at conforming nodes by 5.0% | 3164.440 | 451.21 | 445.46 | 5.75 | 1.29 |
| 03/04/2025 00:00:00 | 03/04/2025 10:00:00 | 21302025042100058 | 03/04/2025 10:03:15 | Increase load at conforming nodes by 5.0% | 3139.392 | 451.48 | 448.85 | 2.63 | 0.59 |
| 03/04/2025 00:00:00 | 03/04/2025 10:30:00 | 21302025042130068 | 03/04/2025 10:33:10 | Increase load at conforming nodes by 5.0% | 3122.481 | 451.48 | 448.48 | 3.00 | 0.67 |
| 03/04/2025 00:00:00 | 03/04/2025 11:00:00 | 21302025042200078 | 03/04/2025 11:03:13 | Increase load at conforming nodes by 5.0% | 3119.744 | 451.48 | 448.86 | 2.62 | 0.58 |
| 03/04/2025 00:00:00 | 03/04/2025 11:30:00 | 21302025042230090 | 03/04/2025 11:33:13 | Increase load at conforming nodes by 5.0% | 3115.265 | 451.49 | 438.46 | 13.03 | 2.97 |
| 03/04/2025 00:00:00 | 03/04/2025 12:00:00 | 21302025042300102 | 03/04/2025 12:03:15 | Increase load at conforming nodes by 5.0% | 3118.220 | 449.30 | 438.24 | 11.06 | 2.52 |
| 03/04/2025 00:00:00 | 03/04/2025 12:30:00 | 21302025042330118 | 03/04/2025 12:33:15 | Increase load at conforming nodes by 5.0% | 3108.956 | 449.10 | 433.50 | 15.60 | 3.60 |
| 03/04/2025 00:00:00 | 03/04/2025 13:00:00 | 31302025040000130 | 03/04/2025 13:03:13 | Increase load at conforming nodes by 5.0% | 3084.101 | 451.49 | 448.16 | 3.33 | 0.74 |
| 03/04/2025 00:00:00 | 03/04/2025 13:30:00 | 31302025040030141 | 03/04/2025 13:33:13 | Increase load at conforming nodes by 5.0% | 3043.942 | 449.10 | 437.80 | 11.30 | 2.58 |
| 03/04/2025 00:00:00 | 03/04/2025 14:00:00 | 31302025040100154 | 03/04/2025 14:03:13 | Increase load at conforming nodes by 5.0% | 3028.164 | 449.10 | 438.01 | 11.09 | 2.53 |
| 03/04/2025 00:00:00 | 03/04/2025 14:30:00 | 31302025040130166 | 03/04/2025 14:33:14 | Increase load at conforming nodes by 5.0% | 3018.720 | 438.50 | 433.87 | 4.63 | 1.07 |
| 03/04/2025 00:00:00 | 03/04/2025 15:00:00 | 31302025040200178 | 03/04/2025 15:03:15 | Increase load at conforming nodes by 5.0% | 3045.981 | 449.09 | 437.10 | 11.99 | 2.74 |
| 03/04/2025 00:00:00 | 03/04/2025 15:30:00 | 31302025040230193 | 03/04/2025 15:33:14 | Increase load at conforming nodes by 5.0% | 3081.660 | 442.93 | 437.11 | 5.82 | 1.33 |
| 03/04/2025 00:00:00 | 03/04/2025 16:00:00 | 31302025040300206 | 03/04/2025 16:03:14 | Increase load at conforming nodes by 5.0% | 3109.840 | 449.29 | 437.57 | 11.72 | 2.68 |
| 03/04/2025 00:00:00 | 03/04/2025 16:30:00 | 31302025040330222 | 03/04/2025 16:33:13 | Increase load at conforming nodes by 5.0% | 3099.472 | 442.61 | 437.29 | 5.32 | 1.22 |
| 03/04/2025 00:00:00 | 03/04/2025 17:00:00 | 31302025040400230 | 03/04/2025 17:03:13 | Increase load at conforming nodes by 5.0% | 3164.934 | 437.76 | 383.71 | 54.05 | 14.09 |
| 03/04/2025 00:00:00 | 03/04/2025 17:30:00 | 31302025040430248 | 03/04/2025 17:33:13 | Increase load at conforming nodes by 5.0% | 3244.078 | 449.04 | 436.34 | 12.70 | 2.91 |
| 03/04/2025 00:00:00 | 03/04/2025 18:00:00 | 31302025040500260 | 03/04/2025 18:03:14 | Increase load at conforming nodes by 5.0% | 3218.594 | 448.90 | 397.00 | 51.90 | 13.07 |
| 03/04/2025 00:00:00 | 03/04/2025 18:30:00 | 31302025040530276 | 03/04/2025 18:33:13 | Increase load at conforming nodes by 5.0% | 3231.879 | 449.07 | 407.32 | 41.75 | 10.25 |
| 03/04/2025 00:00:00 | 03/04/2025 00:00:00 | 21302025041100872 | 03/04/2025 00:03:02 | Increase load at conforming nodes by 4.0% | 2035.153 | 430.34 | 347.28 | 83.06 | 23.92 |
| 03/04/2025 00:00:00 | 03/04/2025 00:30:00 | 21302025041130882 | 03/04/2025 00:33:02 | Increase load at conforming nodes by 4.0% | 1973.773 | 430.92 | 384.13 | 46.79 | 12.18 |
| 03/04/2025 00:00:00 | 03/04/2025 01:00:00 | 21302025041200890 | 03/04/2025 01:03:02 | Increase load at conforming nodes by 4.0% | 1908.597 | 430.72 | 338.08 | 92.64 | 27.40 |
| 03/04/2025 00:00:00 | 03/04/2025 01:30:00 | 21302025041230899 | 03/04/2025 01:33:02 | Increase load at conforming nodes by 4.0% | 1863.963 | 420.73 | 334.14 | 86.59 | 25.91 |
| 03/04/2025 00:00:00 | 03/04/2025 02:00:00 | 21302025041300907 | 03/04/2025 02:03:04 | Increase load at conforming nodes by 4.0% | 1842.128 | 397.83 | 333.16 | 64.67 | 19.41 |
| 03/04/2025 00:00:00 | 03/04/2025 02:30:00 | 21302025041330917 | 03/04/2025 02:33:03 | Increase load at conforming nodes by 4.0% | 1825.959 | 397.83 | 330.30 | 67.53 | 20.45 |
| 03/04/2025 00:00:00 | 03/04/2025 03:00:00 | 21302025041400925 | 03/04/2025 03:03:02 | Increase load at conforming nodes by 4.0% | 1802.069 | 381.79 | 327.60 | 54.19 | 16.54 |
| 03/04/2025 00:00:00 | 03/04/2025 03:30:00 | 21302025041430933 | 03/04/2025 03:33:02 | Increase load at conforming nodes by 4.0% | 1793.997 | 349.88 | 327.68 | 22.20 | 6.77 |
| 03/04/2025 00:00:00 | 03/04/2025 04:00:00 | 21302025041500941 | 03/04/2025 04:03:04 | Increase load at conforming nodes by 4.0% | 1812.738 | 381.79 | 328.36 | 53.43 | 16.27 |
| 03/04/2025 00:00:00 | 03/04/2025 04:30:00 | 21302025041530951 | 03/04/2025 04:33:02 | Increase load at conforming nodes by 4.0% | 1839.419 | 359.04 | 330.05 | 28.99 | 8.78 |
| 03/04/2025 00:00:00 | 03/04/2025 05:00:00 | 21302025041600959 | 03/04/2025 05:03:14 | Increase load at conforming nodes by 4.0% | 1970.192 | 424.76 | 334.38 | 90.38 | 27.03 |
| 03/04/2025 00:00:00 | 03/04/2025 05:30:00 | 21302025041630967 | 03/04/2025 05:33:12 | Increase load at conforming nodes by 4.0% | 2141.310 | 414.53 | 333.78 | 80.75 | 24.19 |
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This report explores the sensitivity of nodal prices to changes in load, or demand. Load is both incrementally increased and decreased in a series of experiments based on the price response schedule for each real-time trading period and the subsequent seven future trading periods. For each experiment, the resulting nodal prices are reported.
The data presented in this report is sourced from PRSS SPD case files and the Authority’s vSPD model. Every 30 minutes, the most recent PRSS case is used as the base case in a sequence of experiments using vSPD. The experiments entail incrementing and decrementing load at conforming nodes by a small percentage ranging from +/- 0.5% to +/-5%. The resulting market prices are collected and presented in this report at nine key nodes. The short (4 hours) price response schedule is used for this analysis because it is PRSS prices that frequently become dispatch prices, when real-time prices are unavailable.
Conforming nodes are those locations where load conforms to a predictable or forecastable pattern. The non-conforming nodes that are excluded from the load perturbation experiments are: ASB0661, EDG0331, GLN0331, KAW0111, KAW0112, KAW0113, KIN0111, KIN0112, KIN0113, TNG0111, TWI2201, and WHI0111.
The report updates every 30 minutes between the hours of 6am and 6pm and will show prices up to about seven trading periods into the future.
In addition to the base case, eight of the 14 experiments are shown on the report by default. Additional and/or different experiments can be dialled up using the ‘Series filter’ parameter.
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