Energy Data Hub

DERIVED MARKET INDICATOR

South Australia negative-price time share

Oct 2025 – Sept 2026 · five-minute TRADE prices · fixed AEST

Sept 2026 · negative time share

30.13%216.9 hours below zero

12-month time share

29.45%Weighted by interval duration across the whole period

Verified coverage

12 / 12 months105,120 valid intervals

Monthly pattern

Download SA1 monthly CSV
0%25%50%75%100%Oct 2025: 43.47%OctNov 2025: 47.96%NovDec 2025: 47.16%DecJan 2026: 33.02%JanFeb 2026: 27.68%FebMar 2026: 28.89%MarApr 2026: 30.12%AprMay 2026: 12.80%MayJune 2026: 19.41%JuneJuly 2026: 19.09%JulyAug 2026: 13.81%AugSept 2026: 30.13%Sept

Energy Data Hub · Source: AEMO TRADE; calculations by Energy Data Hub · 2025-10 – 2026-09

MonthNegative time shareNegative hoursNegative / valid intervalsCoverage
Oct 202543.47%323.43,881 / 8,928100%
Nov 202547.96%345.34,144 / 8,640100%
Dec 202547.16%350.84,210 / 8,928100%
Jan 202633.02%245.72,948 / 8,928100%
Feb 202627.68%186.02,232 / 8,064100%
Mar 202628.89%214.92,579 / 8,928100%
Apr 202630.12%216.82,602 / 8,640100%
May 202612.80%95.31,143 / 8,928100%
June 202619.41%139.81,677 / 8,640100%
July 202619.09%142.01,704 / 8,928100%
Aug 202613.81%102.81,233 / 8,928100%
Sept 202630.13%216.92,603 / 8,640100%

Daily detail

Sept 2026 · every interval verified. Select another month to change the breakdown.

0%25%50%75%100%2026-09-01: 59.72%012026-09-02: 0.00%2026-09-03: 30.90%2026-09-04: 18.40%2026-09-05: 71.88%2026-09-06: 0.00%062026-09-07: 14.58%2026-09-08: 0.00%2026-09-09: 47.92%2026-09-10: 34.72%2026-09-11: 29.17%112026-09-12: 37.50%2026-09-13: 72.57%2026-09-14: 0.00%2026-09-15: 35.76%2026-09-16: 37.50%162026-09-17: 24.65%2026-09-18: 36.11%2026-09-19: 52.08%2026-09-20: 93.75%2026-09-21: 44.10%212026-09-22: 1.74%2026-09-23: 13.89%2026-09-24: 0.69%2026-09-25: 0.00%2026-09-26: 15.97%262026-09-27: 50.35%2026-09-28: 25.35%2026-09-29: 54.51%2026-09-30: 0.00%30

Energy Data Hub · Source: AEMO TRADE; calculations by Energy Data Hub · 2026-09-01 – 2026-09-30

Date (AEST)Negative minutesTime below zero
2026-09-0186059.72%
2026-09-0200.00%
2026-09-0344530.90%
2026-09-0426518.40%
2026-09-05103571.88%
2026-09-0600.00%
2026-09-0721014.58%
2026-09-0800.00%
2026-09-0969047.92%
2026-09-1050034.72%
2026-09-1142029.17%
2026-09-1254037.50%
2026-09-13104572.57%
2026-09-1400.00%
2026-09-1551535.76%
2026-09-1654037.50%
2026-09-1735524.65%
2026-09-1852036.11%
2026-09-1975052.08%
2026-09-20135093.75%
2026-09-2163544.10%
2026-09-22251.74%
2026-09-2320013.89%
2026-09-24100.69%
2026-09-2500.00%
2026-09-2623015.97%
2026-09-2772550.35%
2026-09-2836525.35%
2026-09-2978554.51%
2026-09-3000.00%

Official Sept 2026 interval CSV

Source files and verification

Month / official sourceSource checked (UTC)SHA-256
Oct 20252026-10-01T23:51:17+00:0039982a7c1311b2abdc30af1a685672865ab6faf08fceb2ce3fe95fa65773fcce
Nov 20252026-10-01T23:51:27+00:00304233c73ef63fda203f8c17725b7c72c141911598831322653c1753f1cb7b9b
Dec 20252026-10-01T23:51:46+00:00d050a82385d9c96e7b9f64c9591c616b80f520947488677fd7e309195835d8f5
Jan 20262026-10-01T23:52:05+00:00fb05f242250a9b1d0489ff698e74762509e7f954ea0ab1b59529e61ccd2bf97b
Feb 20262026-10-01T23:52:15+00:001a69f4246d34b88b4d04cc5830deee5870847b999a38b4887fc15dd16429519f
Mar 20262026-10-01T23:52:33+00:002305685004793a3015dfbf3e670305609a4191c400a8d2783d35cbb82b0b7ac5
Apr 20262026-10-01T23:52:51+00:00206e7dbaf2517662a794524a2786287fcea561495488a2de0f78b117f43e9eff
May 20262026-10-01T23:53:01+00:00316bfb7d67d208befcad9bc8c3b35f97d361b266b0609c2ee27a7f8f5477555a
June 20262026-10-01T23:53:18+00:00bbf392b380e498bc135b3ab7684af4508aca3fdc555cadcf30065096b1b7efd8
July 20262026-10-01T23:53:37+00:009fcb98786df2a3b903e624149872a9eec4b9bd909f4ef4176ff199aba5730f00
Aug 20262026-10-01T23:53:46+00:00b6da4ed479fd64718030818ecb2b67c0bfad015ce4096f98ba735ce8c825d82b
Sept 20262026-10-01T23:54:04+00:007636b4dcb962678ca3b194de4ce8f8603eec3e1515696f9fd1651fb85773204b