Money · Credit · New Zealand · Part 13
What would a national investment strategy for New Zealand actually prioritise?
Everything cannot be priority number one. A serious national investment strategy has to choose an order.
Part 12 gave us a test for individual projects.
But countries do not invest one project at a time in isolation.
They manage portfolios.
Hospitals compete with roads for construction labour.
Housing growth depends on water and electricity.
New industry depends on energy, transport and digital infrastructure.
Technology investment depends on skills.
And every new asset creates a future maintenance obligation.
So the next question is not:
Which project do we like?
It is:
In what order should New Zealand use scarce capital, labour, materials and institutional capacity?
A national investment strategy is not a wish list. It is a sequence.
Start with what New Zealand's own infrastructure plan is already telling us
Te Waihanga's 2026 National Infrastructure Plan identifies ten priority areas for the decade ahead.
They include:
lifting hospital investment for an ageing population,
catching up on water renewals,
better road pricing,
sequencing major land transport projects,
managing assets under declining-demand scenarios,
prioritising maintenance and renewals,
cost-effective flood-risk infrastructure,
a durable resource-management framework,
upzoning around key transport corridors,
and a predictable approach to electrification.
Te Waihanga — Ten priorities for the decade ahead ↗
That is a useful starting point because it immediately tells us something important:
the investment challenge is not only about building new things.
It is also about maintaining what we already own, pricing networks properly, planning land use and sequencing investment intelligently.
My proposed hierarchy starts with five questions
Before dividing money by sector, I would rank national investment against five portfolio questions.
1. What fails if we do nothing?
2. What bottleneck is stopping other investment?
3. What investment expands productive capacity?
4. What reduces future fiscal or economic risk?
5. What can actually be delivered now?
Those questions create an order that is more useful than simply assigning every sector a political percentage.
Priority 1: maintain and renew the assets we already depend on
The first investment priority should often be the least glamorous one.
Maintenance.
A country that builds new assets while allowing existing ones to deteriorate is not accumulating capital intelligently.
It is replacing planned maintenance with future emergency spending.
Te Waihanga explicitly identifies adequate maintenance and renewals as a priority because deferred maintenance can produce deterioration and expensive reactive fixes.
That means hospitals, schools, roads, rail, water networks, public buildings and other Crown and council assets should have credible long-term renewal plans before large discretionary expansion programmes are layered on top.
The first rule of national investment should be: do not lose the capital stock you already paid for.
Priority 2: health infrastructure that matches population need
Health infrastructure belongs near the top because failure has direct human and fiscal consequences.
Te Waihanga's first priority for the next decade is to lift hospital investment to address an ageing population and maintenance backlogs.
Budget 2026 also included new capital for health infrastructure, including Whangārei Hospital and redevelopment work in Tauranga, Hawke's Bay and Palmerston North.
Treasury — Budget Speech 2026 ↗
A national strategy should not simply count hospital buildings.
It should connect:
population forecasts,
clinical demand,
workforce availability,
digital systems,
primary care capacity,
ambulance and emergency networks,
and the condition of existing assets.
A hospital without staff is not capacity.
A hospital with obsolete digital infrastructure is not resilient capacity.
Priority 3: water and basic network renewals
Water is foundational infrastructure.
Drinking water.
Wastewater.
Stormwater.
Urban growth.
Industrial development.
Housing supply.
All of them depend on functioning networks.
Te Waihanga identifies completion of the catch-up on water renewals as a decade priority.
That makes sense because network failure does not stay inside the water sector.
It blocks housing, adds environmental costs, weakens resilience and creates future liabilities.
A national strategy should therefore treat water renewal as an enabling investment, not merely a local maintenance expense.
Priority 4: energy security and electrification
Energy is one of the clearest economy-wide bottlenecks.
Growth in housing, industry, electrified transport, data centres, processing and digital infrastructure ultimately requires reliable electricity.
Te Waihanga calls for a predictable approach to electrification and emphasises stable market and policy settings.
Budget 2026 also included measures aimed at energy security, including capital investment associated with Genesis Energy's capital raise and support for transition away from declining gas supply.
Treasury — Budget 2026 energy measures ↗
The investment priority should therefore not be “government builds all generation”.
It should be:
remove the barriers that prevent enough generation, transmission, distribution, storage and firming capacity from being built when the economy needs it.
This is a classic example of where public policy, regulation, private capital and selective public investment may all have roles.
Priority 5: housing-enabling infrastructure, not just housing finance
If the objective is more housing supply, finance alone is not enough.
Land has to be serviced.
Water has to connect.
Transport has to work.
Electricity has to be available.
Planning rules have to permit density and development.
Te Waihanga specifically recommends upzoning around key transport corridors because it increases the value obtained from existing transport and network investment.
That creates an important portfolio principle:
Do not finance houses into places where the networks cannot support them.
A national investment strategy should prioritise infrastructure that unlocks additional supply rather than only making it easier to bid for existing property.
Priority 6: transport bottlenecks, maintenance and pricing before prestige
Transport is essential, but it can also consume enormous amounts of capital.
The right national strategy should distinguish:
maintenance,
small network improvements,
congestion management,
rapid transit,
strategic roads,
freight links,
rail,
and genuinely transformational projects.
Te Waihanga's current plan calls for prioritising and sequencing major land-transport projects, using demonstrated demand and cost benchmarking, and using lower-cost targeted improvements first where they can lift network performance.
That is the right discipline.
The most visible project should not automatically outrank the project that removes the largest bottleneck per dollar.
Priority 7: resilience before disaster reconstruction
New Zealand is exposed to earthquakes, floods, storms, landslides and other natural hazards.
Te Waihanga identifies cost-effective flood-risk infrastructure as a national priority and has emphasised resilience following repeated severe-weather events.
Te Waihanga — National Infrastructure Plan sets path for next 30 years ↗
A national strategy should compare:
the cost of resilience investment now,
the expected avoided damage,
the importance of the asset,
and the feasibility of retreat or redesign.
Not every asset should be defended at any cost.
But critical networks should not repeatedly be rebuilt to the same vulnerability.
Priority 8: productive business capital and technology diffusion
Infrastructure keeps the economy functioning.
Productive capital helps it become more productive.
Treasury research published in 2025 describes New Zealand as relatively capital shallow and points to both capital intensity and innovation as pathways to stronger productivity.
Treasury — Innovation, capital and productivity in New Zealand ↗
This is where national investment becomes broader than concrete and steel.
Potential priorities include:
advanced machinery,
automation,
digital infrastructure,
commercialisation of research,
export capability,
high-value processing,
software and AI adoption,
and firms capable of scaling internationally.
But the role of public capital should still pass the additionality test from Part 12.
If a viable firm can raise ordinary commercial finance on reasonable terms, the Crown does not need to replace it.
Priority 9: skills tied directly to the investment pipeline
Skills are capital too, even though they do not appear as a bridge or building on a balance sheet.
If New Zealand plans major investment in:
hospitals,
electricity,
water,
housing,
engineering,
advanced manufacturing,
cybersecurity,
or AI,
then training policy should anticipate those needs rather than responding after shortages appear.
Budget 2026 included increased investment in vocational and trades pathways alongside wider education spending.
Treasury — Budget 2026 at a glance ↗
A national strategy should therefore connect the infrastructure pipeline to workforce planning.
If we know the projects we intend to build over ten years, we should also know which occupations will become scarce.
Priority 10: the digital and institutional infrastructure underneath everything else
Not all national infrastructure is physical.
Public services increasingly depend on:
data systems,
identity infrastructure,
cybersecurity,
payments,
communications networks,
interoperability,
and reliable public-sector technology.
Budget 2026, for example, included $300 million for priority health digital investments including cybersecurity.
Treasury — Budget Speech 2026 ↗
Digital investment is often less visible than a new building.
But weak digital infrastructure can reduce the productivity of every worker inside the building.
These priorities should not all be funded in the same way
A national investment strategy is not only a ranking exercise.
It also matches financing to asset type.
Maintenance and renewals: often ordinary operating and capital budgets.
Hospitals and broad public infrastructure: taxation and Crown borrowing where appropriate.
Water and growth infrastructure: rates, user charges, targeted levies and structured financing where beneficiaries can be identified.
Energy: predominantly commercial and regulated investment, with public intervention targeted at genuine barriers or strategic risks.
Productive business and technology: mostly private capital, with co-investment or development finance only where additionality is demonstrated.
Resilience: a mixture depending on who benefits and who controls the risk.
The funding mechanism should follow the economics of the asset.
The portfolio needs sequencing rules
This is the part I think matters most.
Even if ten projects all pass the National Investment Test individually, they may not be capable of proceeding simultaneously.
So the national portfolio should be sequenced according to:
criticality: what breaks first?
dependency: what investment unlocks other investment?
capacity: what can the workforce and supply chain absorb?
readiness: which projects are actually consented and commercially ready?
value: where is the highest public value per constrained resource?
counter-cyclicality: which projects can be accelerated when private demand is weak and slowed when capacity is stretched?
A good project at the wrong time can still be a bad investment decision.
I would divide the portfolio into four layers
Layer 1 — Protect.
Maintenance, renewals, safety, critical health capacity, water reliability and resilience.
Layer 2 — Unblock.
Energy, network bottlenecks, housing-enabling infrastructure, transport constraints and planning reforms that allow other investment to proceed.
Layer 3 — Expand.
New infrastructure and productive capacity that supports population growth, exports, technology and higher productivity.
Layer 4 — Transform.
Large, uncertain or genuinely transformational investments that could materially change New Zealand's economic capacity — but only after the first three layers are credible.
This is not because transformational projects are unimportant.
It is because transformation built on failing foundations is expensive theatre.
What should not qualify as national investment?
Not every desirable policy belongs in a national investment strategy.
I would exclude:
routine operating expenditure dressed up as investment,
projects whose main purpose is short-term political visibility,
asset purchases that create no additional capacity without a compelling strategic case,
permanent subsidies with no pathway to measurable value,
and projects that repeatedly fail the national investment tests but remain alive because cancelling them is politically difficult.
What does success look like?
A national investment strategy should ultimately make New Zealand more capable.
That should show up in:
better asset condition,
more reliable electricity,
greater water-network resilience,
more housing capacity,
shorter health infrastructure backlogs,
lower congestion and freight bottlenecks,
stronger disaster resilience,
higher business capital intensity,
greater technology adoption,
and a workforce capable of delivering the next investment cycle.
The measure is not how much money the country spent.
The measure is what capacity the country gained.
My conclusion
If New Zealand built a serious national investment strategy, I would not begin by dividing a giant capital fund among sectors.
I would begin with an order.
Protect what we already have.
Remove the bottlenecks that stop other investment.
Expand productive capacity.
Then take carefully governed transformational bets.
That hierarchy forces us to acknowledge the central lesson of this whole series:
Capital is powerful, but capital only becomes prosperity when a country converts it into durable productive capacity.
Next
The next question is where this strategy becomes measurable at the national level:
How should New Zealand know whether its national balance sheet is actually getting stronger?
Part 14 will look beyond GDP and debt alone and examine Crown assets, liabilities, net worth, infrastructure condition, productivity, resilience and the difference between spending money and accumulating national wealth.
Primary sources
Te Waihanga — Ten priorities for the decade ahead ↗
Te Waihanga — National Infrastructure Plan 2026 ↗
Treasury — Budget Speech 2026 ↗
Treasury — Innovation, capital and productivity in New Zealand ↗