Highlights

  • BHP now targets mid-calendar 2027 for first Jansen Stage One potash production.
  • A January 2026 review increased the Stage One investment estimate to US$8.4 billion.
  • BHP reported Stage One was 75% complete when it announced the revised plan.
  • Stage Two is a separate development with different expenditure and production timing.

BHP Group (ASX:BHP) produces commodities including iron ore and copper and is developing a potash business at Jansen in Saskatchewan, Canada. The project would extend the group into a fertiliser ingredient used in crop production. The attached research document describes late-2026 first production, but BHP revised that schedule in January 2026 and reiterated a mid-2027 target in October. Its updated timetable, cost estimate and commissioning preparation offer a more accurate basis for examining the project than the earlier date.

Why the production schedule changed

BHP confirmed on 20 January 2026 that Jansen Stage One first production was expected in mid-calendar 2027. It also raised total estimated Stage One investment to US$8.4 billion, including contingencies. The company identified construction hours and material quantities missing from earlier estimates, alongside inflation, scope changes and productivity pressures. For ASX:BHP, the new timetable is a forecast for initial production, not confirmation that the plant has produced saleable potash or begun routine shipments.

The work still required

Jansen involves underground mining infrastructure and a processing operation that must be brought into service together. The production and service shafts, material-handling systems and mill facilities all need coordinated testing before ore can move through the complete production chain. BHP described Stage One as 75% complete in its January review, but completion percentages do not automatically translate into sales volumes. Its October 2026 annual general meeting remarks said the project was progressing towards first production in the middle of the following year.

Output assumptions and ramp-up

BHP has said Stage One is expected to deliver approximately 4.15 million tonnes of potash a year once ramped up. That is an anticipated annualised production level, not an output figure for FY27. The February 2026 presentation described a roughly two-year ramp-up after first production. Initial mining and processing rates can therefore differ substantially from longer-term capacity. ASX:BHP has not presented the commissioning milestone as equivalent to achieving full throughput from the outset.

Stage Two is distinct from Stage One

BHP is also pursuing Stage Two at Jansen, but the two stages have separate schedules and investment decisions. In February 2026, BHP said Stage Two was approximately 14% complete and referred to an FY31 first-production schedule. Stage Two expenditure has been subject to further review. Discussion of a second processing stage should not be read as a near-term doubling of actual output. The capital programme needs to be analysed against the company’s sequencing decisions and project-specific execution risks.

Capital discipline and project uncertainty

In its October 2026 AGM remarks, BHP acknowledged that Jansen had taken longer and cost more than planned. Management said it had tightened controls and prioritised safe delivery of the first-production milestone. The operation faces construction, commissioning and ramp-up uncertainty, while future potash prices and costs will affect eventual financial contributions. These issues do not establish a specific earnings result for Jansen before production. ASX:BHP continues to manage Jansen alongside its larger existing mining operations and other capital demands.

Key Insights

Jansen remains a development project with a revised, company-confirmed Stage One first-production target of mid-2027. The US$8.4 billion investment estimate and expected two-year ramp-up place the schedule in a broader financial and operational context. For ASX:BHP, the next meaningful disclosures concern testing, commissioning readiness, spending against estimates and actual first output. Expectations about capacity and future project economics should remain clearly separate from production already achieved.