
Industrial Drying Plant Manufacturer in New Zealand
Explore the technologyLooking for drying plants manufacturers in New Zealand? STRONGA builds FlowDrya lines to order at its Hertfordshire works and supplies them to New Zealand — see the regulatory and economic context below.
FlowDrya biomass drying plants are engineered to order at STRONGA's Hertfordshire works and supplied to New Zealand processors preparing wood residue, agricultural fibre and other organic feedstocks as fuel, though no FlowDrya plant is yet commissioned in the country. A biomass fuel is only as good as its moisture: wet feedstock burns cool, fouls boilers and cannot be graded, whereas material dried to a low, stable moisture delivers a predictable calorific value. The FlowDrya continuous-flow platform takes a wet, variable in-feed and produces a consistent dried fuel, which is what a process-heat boiler or pellet mill needs to run off local residue rather than coal.
Supplying New Zealand
We supply New Zealand from our Hertfordshire works — we have no documented FlowDrya installation in New Zealand yet.
Regulatory context
Disposal is priced through the waste disposal levy set under the Waste Minimisation Act 2008 and administered by the Ministry for the Environment; the levy on municipal (class 1) landfill is NZD 65 per tonne from 1 July 2025, rising to NZD 70 per tonne on 1 July 2026 and NZD 75 per tonne on 1 July 2027, and has been expanded across more landfill classes — the principal lever pushing wet residues toward recovery, drying and reuse rather than burial.
Source: https://environment.govt.nz/what-government-is-doing/areas-of-work/waste/waste-disposal-levy/expansion/ · checked 2026-08
Carbon is priced through the New Zealand Emissions Trading Scheme (NZ ETS), the country's main tool for cutting emissions; a plant that burns coal or natural gas must surrender New Zealand Units for its combustion emissions, so displacing that fossil fuel with a dried, waste-derived or biomass fuel directly reduces the unit liability. The 2026 auction reserve price floor is NZD 71 per unit.
Source: https://icapcarbonaction.com/en/ets/new-zealand-emissions-trading-scheme · checked 2026-08
Biosolids applied to land are governed by the beneficial reuse of biosolids standard administered by the Water Services Authority (Taumata Arowai) under the Water Services (Wastewater Environmental Performance Standards) Regulations 2025; a product is graded by stabilisation (Grade A or B, on pathogen reduction) and by contaminant concentration, with only the top stabilisation-and-contaminant grade allowed as a permitted activity without a resource consent — and thermal treatment and drying support that higher stabilisation grade.
Source: https://www.taumataarowai.govt.nz/wastewater-sector/wastewater-standards/beneficial-reuse-of-biosolids-standard · checked 2026-08
Composts, soil conditioners and mulches placed on the market are specified by the Standards New Zealand standard NZS 4454:2005, which sets the compositional, contaminant, maturity and labelling requirements a product made from composted organic material must meet — the quality regime a dried digestate, manure or organic amendment must satisfy before it can be sold, complemented by the Water New Zealand Guidelines for the Beneficial Use of Biosolids on Land (2025).
Source: https://www.standards.govt.nz/shop/nzs-44542005 · checked 2026-08
Waste-derived and biomass solid fuels are characterised against the European ISO standards that New Zealand laboratories and buyers use in the absence of a bespoke national fuel specification — EN ISO 21640 for solid recovered fuel classification, the EN ISO 17225 series for solid biofuels, and EN ISO 18134 for moisture determination — so a dried fuel can be sold on a documented calorific value and moisture grade.
Source: https://www.iso.org/standard/71309.html · checked 2026-08
Applicable standards: EN ISO 21640, EN ISO 17225-4, EN ISO 18134, NZS 4454, NZ Biosolids Guidelines.
Economic context
The rising waste disposal levy makes burial expensive: at NZD 65 per tonne for class 1 landfill in 2025 and scheduled to reach NZD 70 per tonne in 2026 and NZD 75 per tonne in 2027 (before gate and transport charges), every tonne of water or inert residue kept out of landfill by drying is a direct and growing saving.
Source: https://environment.govt.nz/what-government-is-doing/areas-of-work/waste/waste-disposal-levy/expansion/ · checked 2026-08
Carbon carries a real cost: New Zealand Units traded on the secondary market around NZD 55.04, against a 2026 auction reserve price floor of NZD 71 (International Carbon Action Partnership), so each tonne of coal or gas that a dried alternative fuel displaces avoids both the fuel bill and an ETS unit liability.
Source: https://icapcarbonaction.com/en/ets/new-zealand-emissions-trading-scheme · checked 2026-08
There is an established domestic market for dried biomass fuel: biomass already supplies around 7 per cent of New Zealand's total primary energy, drawn largely from forestry and wood-processing residue, and the Energy Efficiency and Conservation Authority projects that share rising as industry switches process heat off coal — demand that rewards a consistent, dried, high-calorific solid fuel.
Source: https://www.eeca.govt.nz/insights/energy-in-new-zealand/renewable-energy/biomass/ · checked 2026-08
Government has co-invested heavily in getting industry off fossil process heat: through the Government Investment in Decarbonising Industry (GIDI) fund, EECA committed up to NZD 230 million of co-investment matched by around NZD 860 million of private funding in partnership projects — including biomass and electricity fuel-switching at Fonterra and an electric arc furnace at New Zealand Steel — so although GIDI co-funding rounds closed in late 2023, the pipeline it created underpins demand for dried biomass fuel.
Source: https://www.eeca.govt.nz/co-funding-and-support/previously-funded-projects/approved-gidi-projects/ · checked 2026-08
Bought-in energy is dear and getting dearer: industrial electricity and natural-gas prices rose sharply in the year to March 2025 as domestic gas supply tightened (MBIE New Zealand Energy Quarterly), which favours drying systems built around recovered kiln, boiler or process heat rather than grid electricity or bought-in gas.
Worked illustration (assumptions stated):
The market is the decarbonisation of industrial heat. Biomass supplies roughly 7 per cent of national primary energy today, and the direction is up: under the Government Investment in Decarbonising Industry fund, EECA co-invested up to NZD 230 million alongside about NZD 860 million of private funding to move process heat off coal and gas onto biomass and electricity. Every converted boiler needs a dependable, dried fuel. Set against a class 1 disposal levy climbing from NZD 65 per tonne in 2025 toward NZD 75 in 2027, and dear grid energy, a plant that dries local residue on recovered heat both avoids disposal cost and feeds a growing fuel demand. Commissioning, operator training and a full hot-test handover are included, so the plant is productive from installation. Assumptions: fuel and energy prices are site-specific.
Figures are indicative and were last reviewed August 2026; energy and disposal prices move — contact us for a current assessment.
Industrial Drying Plant Manufacturer in New Zealand — FAQ
Do you have a biomass drying plant in New Zealand?
Not yet. We ship the FlowDrya platform from Hertfordshire and will not overstate our footprint; our commissioned lines currently dry biomass and waste feedstocks in Britain.
Why does biomass fuel need drying?
Moisture is the enemy of combustion. A wet fuel gives up much of its heat evaporating water and cannot be graded; drying to a low, steady moisture raises and stabilises the calorific value.
What feedstocks can the plant dry?
The moving-floor design handles wood chip and residue, bark, digestate fibre, manures and mixed organic material, adjusting to a variable in-feed to hold a target output moisture.
How does this fit the switch off coal?
Industry converting process heat to biomass under the national decarbonisation fund needs a consistent dried fuel. A local drying plant is what turns forestry and agricultural residue into that fuel.
What keeps running costs down?
The FlowDrya is designed to run on recovered kiln, boiler or process heat rather than bought-in energy, which matters where industrial electricity and gas prices have risen sharply.
What sizes of biomass drying plant do you build?
The range scales from a single continuous-flow line for one mill to multiple decks for a district-heat or pellet-export operation, all sharing the same moving-floor principle. Throughput is matched to the residue a site generates, and a modular layout lets an operator add capacity as further boilers convert away from fossil fuel.