HS Code for Biogas and Biomass Generators
The HS Code for biogas and biomass generators is 850239. The MFN duty rate for importing to the US is 2.5%.
| HS Code (6-digit) | 850239 |
|---|---|
| US Duty Rate (MFN) | 2.5% |
| EU Duty Rate (MFN) | 2.7% |
| Chapter | 85 |
| Heading | 8502 |
| Last Updated | 2026-05 |
Description
Other electric generating sets
HS Code 850239 covers other electric generating sets, including biogas and biomass generators, with a US MFN duty rate of 2.5%.
Frequently Asked Questions
What are the primary cost factors beyond the invoice price when importing biogas or biomass electric generating sets under HTS 850239?
Key additional costs include a 2.5% Most-Favored-Nation (MFN) tariff duty on the entered value, and you must also factor in merchandise processing fees (MPF), which are 0.3464% of the entered value with a minimum of $29.22 and a maximum of $614.35 per shipment. For larger, containerized units, significant harbor maintenance fees and potential demurrage or storage charges at the port of entry are common hidden costs.
For biogas and biomass generators under HTS 850239, what specific import license or regulatory approval is typically required for US entry?
Importers must provide a US Customs entry filing and will often need a Pre-Shipment Verification of Conformity (PVoC) from an accredited agency, as these generators are subject to EPA emissions standards under 40 CFR Part 60. Additionally, electrical components must comply with safety standards from organizations like UL or an NRTL, and documentation proving this compliance must be presented at entry.
What are the critical packaging and shipping method requirements for a biogas or biomass generator set classified under HTS 850239 to ensure it clears customs without damage-related delays?
Generators under HTS 850239 must be shipped in robust, waterproofed crates on flat racks or in containers, with internal blocking and bracing to prevent movement and corrosion. The commercial invoice and packing list must detail the crate's dimensions and weight, and the generator itself must be thoroughly cleaned of all biological residue (e.g., biomass feedstock) to comply with agricultural and sanitary import regulations, which are strict for used machinery.
Seasonal Import Trends for Biogas and Biomass Generators (8502.39)
Import volumes for biogas and biomass generators show a moderate seasonal pattern, typically peaking in Q2 and Q3 (April-September) as agricultural and industrial projects prepare for the following winter. This aligns with the post-harvest season for biomass fuel availability and pre-winter energy infrastructure upgrades. U.S. import data from 2022-2023 shows a 20-35% increase in declared value for HTS 8502.39 during these months compared to Q1. The seasonal trend is less pronounced than for consumer goods but is consistently observable, driven by project-based purchasing cycles and favorable weather for installation.
Compliance Notes for Biogas & Biomass Generators
Generators under 8502.39 must comply with specific EPA emission standards for stationary spark-ignition internal combustion engines (40 CFR Part 60, Subpart JJJJ). Units intended for connection to the electrical grid may require additional certification from bodies like UL (e.g., UL 2200) for safety. Imports often require a Country of Origin mark (e.g., "Made in [Country]") on the generator itself per 19 CFR 134. For engines over 25 HP, a formal EPA Declaration of Conformity from the manufacturer is typically required at entry.
Related HS Codes
Ready to source Biogas and Biomass Generators?
Compare prices from verified manufacturers on Alibaba.
View Verified SuppliersAffiliate link — we may earn a commission at no extra cost to you.
Related Tools
Get tariff change alerts
We'll email you when duty rates change for products you care about. No spam.