The U.S. government is moving to unlock 1.6 billion metric tons of seabed polymetallic nodules – enough nickel, cobalt, and manganese to supply Western battery cathodes for decades – by invoking a Cold War-era statute that bypasses the International Seabed Authority. If federal stockpiling commitments and off-take guarantees make deep-sea processing financeable, the chronic price volatility that has stalled utility-scale storage procurement could finally ease.
Why the 1980 Deep Seabed Hard Mineral Resources Act Matters Now
The statute, passed when the Reagan administration anticipated U.S. ratification of the UN Convention on the Law of the Sea, grants the National Oceanic and Atmospheric Administration (NOAA) licensing authority for American entities mining beyond the continental shelf. It has sat dormant for four decades because the ISA framework – which the U.S. never joined – became the de facto global regulator. Last week NOAA confirmed it is reviewing multiple commercial applications targeting the Clarion-Clipperton Zone (CCZ), a 4.5 million-square-kilometer abyssal plain between Hawaii and Mexico where potato-sized nodules sit on the sediment surface.
Each nodule averages 1.3% nickel, 0.2% cobalt, and 27% manganese by weight, alongside copper and rare earth traces. The CCZ resource estimate of 1.6 billion metric tons implies roughly 21 million tons of nickel and 3.2 million tons of cobalt – multiples of current annual global mine production (roughly 3.3 million tons nickel and 190,000 tons cobalt in 2023). For context, a 1 GWh lithium-ion battery energy storage system (BESS) using NMC 811 chemistry consumes approximately 800 tons of nickel and 100 tons of cobalt. The CCZ resource could theoretically support over 25 TWh of grid storage, or roughly 250 times the U.S. installed capacity at end-2024.
The supply chain choke point is not ore availability but refining concentration. China controls roughly 70% of global nickel sulfate and 80% of cobalt sulfate conversion capacity – the chemical precursors for cathode active material. Indonesian laterite ore feeds much of that refining via Chinese-owned HPAL (high-pressure acid leach) plants, creating a single-point-of-failure risk that the Inflation Reduction Act’s foreign entity of concern (FEOC) guidance explicitly targets. Seabed nodules, by contrast, can be processed via hydrometallurgical routes that skip the energy-intensive pyrometallurgy required for laterites, potentially cutting both emissions and Chinese leverage.
How Defense Stockpiling Could Bridge the Bankability Gap
The financial mechanism hinted at in the Forbes report – Defense Production Act Title III authority combined with Defense Logistics Agency (DLA) stockpile commitments – mirrors the playbook that jump-started domestic rare earth separation at MP Materials’ Mountain Pass and Lynas USA’s Texas facility. DLA off-take agreements at fixed floor prices de-risk the $2-3 billion capital expenditure for a commercial-scale nodule processing plant, which must handle 3-5 million tons of wet ore annually to achieve economies of scale. Without such guarantees, private lenders have historically rejected deep-sea projects over regulatory and ESG uncertainty.
My analysis: a processing plant producing 50,000 tons per year of nickel sulfate and 5,000 tons of cobalt sulfate – sufficient for ~60 GWh of NMC 811 cathodes – would require roughly $2.5 billion in capex and 3-4 years to commission. At current LME prices (~$16,500/t nickel, $28,000/t cobalt), that output generates ~$1.1 billion annual revenue. A 10-year DLA off-take at a 15% premium to spot would yield ~$1.3 billion/year, supporting debt service at 60% loan-to-value. The key variable is whether NOAA permits include environmental performance bonds large enough to satisfy NEPA litigation risk – the biggest schedule uncertainty.
Cross-sector parallel: the same hydrometallurgical flowsheet (reduction roast + ammonia leach + solvent extraction) applies to laterite tailings and domestic low-grade sulfide ores. A seabed plant built to DLA specs becomes a strategic asset that can pivot to terrestrial feedstocks if nodule supply is interrupted, giving the Pentagon a dual-use refining capability it has lacked since the 1990s closure of the only U.S. nickel refinery (Hanna Mining, Oregon).
Who This Affects
- Utility resource planners: Long-term BESS procurement RFPs should model a scenario where cathode-grade nickel sulfate drops 20-30% below current Asian spot by 2030 if seabed supply enters the market – but include a force majeure clause for ISA litigation delays.
- Storage developers and EPCs: Track the permitting timeline for the first commercial nodule collector test (likely 2027-2028); a successful trial reduces the risk premium in offtake agreements for NMC-based systems versus LFP, which uses no nickel or cobalt.
- Policy analysts: Monitor whether NOAA’s unilateral licensing triggers a WTO dispute or ISA counter-measures – the legal precedent will shape critical mineral strategy for lithium, graphite, and rare earths.
- Institutional investors: Evaluate the creditworthiness of DLA-backed processing projects; the first plant to reach financial close sets the benchmark for greenium spreads on critical mineral infrastructure bonds.
What to Watch Next
- NOAA’s publication of draft environmental impact statements (EIS) for each applicant – expected Q1 2027 – which will reveal the mitigation standards (sediment plume monitoring, biodiversity offsets) that determine capex adders.
- ISA Council meetings in Kingston (July 2025, March 2026) where the “two-year rule” triggered by Nauru’s 2021 notification expires, potentially allowing commercial exploitation regulations to be adopted by majority vote – a direct challenge to U.S. unilateralism.
- DLA solicitation for nickel/cobalt sulfate stockpile acquisitions (typically announced via SAM.gov) – the volume and price terms will signal how seriously the Pentagon treats seabed supply.
- Pilot-scale collector vehicle trials by The Metals Company (TMC) or Global Sea Mineral Resources (GSR) in the CCZ – successful vertical transport of nodules to surface without catastrophic sediment resuspension is the technical gate for commercial viability.
Bottom line: The 1980 Act gives Washington a legal lever to create a Western-controlled cathode supply chain without waiting for ISA consensus, but the economics only work if defense demand anchors the first processing plant – making the DLA’s next stockpile solicitation the single most consequential market signal for grid storage developers through 2030.
Read the full report at Energy Central
Note: facts and figures attributed above to reflect that outlet's original reporting. Broader context, cross-sector connections, and forward-looking scenarios reflect independent analysis by our editorial team.
About this article: Drafted by Energy Ai with AI-assisted research and writing based on public reporting, then reviewed under our editorial process before publication.
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