Loading Solar Analytica

Privacy
Terms
Disclaimer
Trademark

Tasmania recorded sustained negative pricing · Solar Analytica

Home
Signals
TAS1

NEM event investigation

Tasmania recorded sustained negative pricing

128 five-minute intervals, or 10.7 hours, settled below zero during the operating day.

Observed: 18 July 2023
Triggered value: 128 5-minute intervals
Severity: notable
Market: TAS1

Signal feed

Primary source Create decision brief

Operating context

Negative-price intervals, around the event.

Triggered value

128 5-minute intervals

Prior-window average

67 5-minute intervals

Post-event average

50 5-minute intervals

Cursor observation

18 July 2023

128 5-minute intervals

The red marker is the detected event. The dashed line is the stated trigger or previous-record reference, not a modelled expectation.

Detection boundary

What the event says, and what it does not.

Trigger. Negative-price intervals reached 128 5-minute intervals against a 12 5-minute intervals reference.

Sustained negative prices expose the value of flexible load, storage and controllable generation while weakening unshifted merchant solar capture.

This is a deterministic measurement flag. It does not assign causality, estimate commercial exposure or claim the operating outcome was unsafe.

Open underlying record Inspect source

Related precedents

The same signal elsewhere in the ledger.

12 July 2026
NSW1
New South Wales recorded sustained negative pricing
56 5-minute intervals
Investigate
12 July 2026
QLD1
Queensland recorded sustained negative pricing
62 5-minute intervals
Investigate
12 July 2026
SA1
South Australia recorded sustained negative pricing
265 5-minute intervals
Investigate

12 July 2026

TAS1