Gigafactories & Facilities Overview

[Last updated: Mar 2026]

The electrification supply chain runs through a small number of facility types that do very different things. Mines pull critical minerals out of the ground. Refineries convert those minerals into battery-grade chemical inputs. Cell gigafactories turn chemistry into energy storage. Pack plants assemble cells into complete battery systems. EV gigafactories integrate everything into finished vehicles.

Each facility type is a distinct industrial operation with different feedstocks, processes, capital profiles, and geographic concentrations. Where a facility sits in this chain determines what it depends on upstream and what it enables downstream.

Extraction Facilities (Mines)

Extraction is the first physical step in the supply chain. Most critical mineral deposits are geographically concentrated, which means disruption at a mine — or in a single country's export policy — propagates downstream fast.

Lithium Mines

Two primary pathways — hard-rock spodumene (Australia) and lithium brine (South America's Lithium Triangle). Brine operations take 12–24 months to process; hard-rock is faster but more energy-intensive to refine. Lithium supply is the most closely watched constraint in EV scaling.

Nickel Mines

Class 1 sulfide nickel (Finland, Canada, Russia) converts to battery-grade material relatively cleanly. Class 2 laterite nickel (Indonesia, Philippines) requires high-pressure acid leaching (HPAL) — capital-intensive and technically demanding. Indonesia now dominates global supply.

Cobalt Mines

Over 70% of global production comes from the DRC, mostly as a copper byproduct. Cobalt's geographic and ethical exposure has pushed OEMs toward low-cobalt and cobalt-free chemistries, but it remains present in NMC cells across premium EV segments.

Graphite Mines

China controls roughly 80% of natural graphite processing and over 90% of synthetic graphite anode production — one of the most concentrated single-country dependencies in the entire supply chain.

Copper Mines

Copper is the electrical conductor of electrification — used in motor windings, busbars, wiring harnesses, and charging infrastructure. Chile and Peru supply ~40% of global mined copper. New mine permitting timelines (10–17 years in many jurisdictions) make supply response slow relative to demand growth.

Rare Earth Mines

Neodymium, praseodymium, dysprosium, and terbium are used in permanent magnet motors that dominate EV drivetrains. China controls ~85–90% of global rare earth processing. MP Materials and Lynas represent the most significant non-Chinese primary production.

Processing Plants

Raw minerals can't go directly into a battery. Processing plants convert upstream outputs into battery-grade chemical materials with the purity and electrochemical properties cell manufacturers require. This is where China's supply chain dominance is deepest.

Lithium Refineries

Convert spodumene or brine into lithium carbonate (Li2CO3) or lithium hydroxide (LiOH·H2O) at 99.5%+ purity. Hydroxide is preferred for high-nickel NMC; carbonate for LFP. China controls over 60% of global refining capacity.

Nickel Sulfate Plants

Convert mined nickel into nickel sulfate (NiSO4) for NMC and NCA cathode precursor production. Indonesia's rapid HPAL buildout has reshaped global supply over the last three years.

Cobalt Refining Plants

Process cobalt intermediates into cobalt sulfate for cathode use. Most DRC cobalt flows through Chinese refining before reaching cell manufacturers.

CAM Plants (Cathode Active Material)

Produce the cathode chemistry — NMC, NCA, or LFP — that defines a cell's energy density, power, thermal behavior, and cost. Requires precise co-precipitation of metal precursors followed by high-temperature lithiation.

AAM Plants (Anode Active Material)

Produce natural or synthetic graphite anode material. Synthetic graphite dominates in performance applications, graphitized above 2,800°C. Silicon-enhanced anodes (Si/C, SiOx) are in commercial deployment, offering ~10–20% energy density gains.

Separator & Electrolyte Plants

Produce the thin microporous membranes and liquid electrolyte solutions incorporated into every cell. Asahi Kasei, Toray, and Celgard lead separator production; electrolyte manufacturing is dominated by Chinese chemical companies.

Rare Earth Refining & Separation Plants

Produce the magnet-grade oxide materials (NdPr, Dy, Tb) for traction motor magnets.

Component Manufacturing Facilities

Component manufacturing is where processed materials become the physical subsystems that power electrified machines — cells, motors, and power electronics.

Battery Cell Gigafactories

Convert cathode, anode, separator, and electrolyte into finished cells — cylindrical (2170, 4680), prismatic, or pouch. Key steps include electrode coating, calendaring, winding or stacking, electrolyte filling, and formation cycling. Formation alone can take several days per cell. CATL, BYD, LG Energy Solution, Panasonic, Samsung SDI, and SK On dominate global capacity.

Motor Magnet Factories

These plants convert NdFeB alloy into finished motor magnets through powder processing, sintering, diffusion, and finishing.

Motor Factories

Manufacture traction motors — PMSMs, induction, or switched reluctance — through stator winding, rotor assembly, magnet insertion, and housing integration. Leading OEMs increasingly produce motors in-house; Tier 1 suppliers include Nidec, Bosch, ZF, and Valeo.

Power Electronics Factories

Produce inverters, DC-DC converters, and onboard chargers. Performance is largely determined by semiconductor device choice — silicon IGBTs in legacy platforms, SiC MOSFETs in most modern EVs, GaN in select converter applications.

System Integration Facilities

System integration facilities are where components manufactured across multiple upstream sites converge into complete battery systems and finished vehicles.

Battery Pack Gigafactories

Assemble cells into modules, packs, and integrated battery systems — including thermal management, busbars, BMS electronics, and structural enclosures. Cell-to-pack (CTP) and cell-to-chassis (CTC) architectures reduce intermediate steps and improve energy density at the system level.

EV Gigafactories

Integrate battery packs, motors, power electronics, body structures, and software into finished vehicles. Modern facilities incorporate giga casting, in-house pack integration, and high automation. Tesla, Volkswagen, Hyundai, GM, BYD, and others operate at significant scale; factory throughput and vertical integration depth vary substantially and directly affect unit economics.