AetherGas Energy Business Plan — Implementation Roadmap

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Section 11 · 12 of 23

Implementation Roadmap

The programme runs 60 months from financial close to design capacity, sequenced so that each capital tranche is unlocked by a de-risking milestone. The critical path runs through exploration rights → drilling success → reserve certification → Phase 2 FID → helium cold-box delivery → helium ramp; the cold box’s 14–20 month manufacturing lead time is the single longest dependency, ordered at FID against a slot reserved earlier at pilot-contract signature.

Figure 12. Implementation Gantt: critical milestones, timelines and dependencies.

Milestone schedule and dependencies

Milestone

Target

Depends on

Unlocks

Financial close (equity T1 + facilities)

Month 0

This plan; DD complete

Exploration programme

Exploration & appraisal drilling complete

Month 24

Rights granted; rigs contracted

Reserve certification

Pilot LNG commercial operation

Month 26

Pilot EPC; NERSA licences

Revenue; operating data

Independent reserves certified

Month 27

Drilling results

Phase 2 FID

FID — Phase 2 LNG + helium plant

Month 29

Reserves; ≥50% LNG offtake; helium floor

Senior-debt major drawdowns

First commercial Phase 2 LNG

Month 29–34

Construction 20 months

Ramp revenue

Helium cold box delivered & installed

Month 44–48

Order at FID (14–20mo lead)

Helium commissioning

First liquid helium export

Month 48–52

Commissioning; ISO chain; port

USD revenue

Design capacity (180 ktpa; 850 mcf/d)

Month 56–60

Ramp curves; well hook-ups

Steady-state economics

Analyst flagSchedule realism

The 48–52 month first-helium target compares with Renergen’s ~60+ months from an equivalent stage, including cryogenic rework. The downside scenario (Section 17) applies a 12-month delay and a 28% revenue haircut; covenant headroom survives, but the DSRA and standby facility become necessary rather than precautionary. Drilling success is treated as binary in lender terms, senior debt does not draw until reserves are certified, which insulates lenders but concentrates pre-certification risk entirely on tranche-1 equity of R1.1bn.