NextDC Shares Halted: The Latest

NextDC Ltd requested an immediate trading halt on the ASX to start the week, after an unexpected delay to grid power supply at its flagship M3 Melbourne data centre threatened to derail the company’s financial year 2027 earnings guidance. The development marks a significant setback for one of Australia’s most closely watched data centre operators at a time when the sector is riding a wave of structural demand from artificial intelligence and cloud computing.

The NextDC share price (ASX: NXT) was frozen at A$9.18 when the halt was requested, meaning the stock recorded no movement on the day. There had been some unrelated pressure building on the stock in recent months, with NXT down 25.61% since the turn of 2026, with 16.39% of that coming over the past month alone.

The halt will remain in place until NextDC issues a formal market announcement, or until trading resumes on Wednesday, October 21, 2026, whichever occurs first.

Why are NextDC shares halted?

At the centre of the disruption is the M3 Melbourne data centre, a 225-megawatt hyperscale facility designed to serve cloud providers, artificial intelligence workloads, and large enterprise clients. The site represents one of NextDC’s most consequential capital projects, and its timely energisation was baked into the company’s previously communicated FY27 underlying EBITDA guidance range of A$385 million to A$410 million.

The cause of the delay has been attributed to third-party electricity distributor Jemena, which reportedly paused work on the high-voltage transmission infrastructure required to connect M3 to the main grid. In the data centre industry, grid energisation is the operational trigger that converts a completed facility into a revenue-generating asset.

Until the site is formally connected and declared ready for service, customers cannot install equipment and NextDC cannot begin billing. Given the heavy upfront capital expenditure and fixed operating costs that characterise the business model, even a modest delay in grid connection can produce a disproportionate drag on near-term EBITDA.

The M3 site accounts for approximately 70 megawatts of the 155 megawatts in incremental customer billing that NextDC had projected for Victoria in FY27. On that basis, Citi estimates that delayed billing from M3 places roughly A$25 million of operating earnings at risk, representing approximately six percent of the midpoint of the company’s FY27 guidance band.

NextDC confirmed in its halt notice that its Board of Directors had not yet formally convened to assess the full financial and operational implications at the time of the request, meaning the complete picture of the earnings impact remains to be determined.

What next?

Markets will want to know the precise duration of the Jemena-related delay and whether NextDC can offer any mitigation pathway, such as temporary power arrangements or an expedited grid connection timeline. If the board’s assessment points to a delay of only a few weeks, the earnings impact may be contained and manageable within the existing guidance band. A multi-month disruption, however, would almost certainly require a formal downgrade to FY27 EBITDA guidance, which in turn risks triggering a fresh round of consensus broker revisions.

That being so, the underlying demand that M3 was built to serve has not evaporated. Contracts with hyperscale and enterprise clients remain in place, and once the facility is energised, those revenue streams are expected to flow. The long-term investment thesis for NextDC rests on Australia’s structural undersupply of tier-IV data centre capacity relative to accelerating AI and cloud demand, a dynamic that has not changed.

With plenty of questions surrounding the AI trade in recent weeks, and the NXT share price down 37% in two months, this news could hardly have come at a worse time for holders that had seen the stock start the year with a 32% gain through the first five months. A true year of two halves so far as we move forward through the final quarter.