Sodium-ion batteries have been talked about as a coming technology for years. By 2024, that conversation had shifted — CATL and BYD both announced commercial second-generation sodium-ion deployments for 2026, European policy had begun actively supporting domestic battery manufacturing, and the supply chain vulnerabilities exposed by lithium and cobalt dependency were pushing serious investors to look at alternatives. The question was no longer whether sodium-ion had a future. The question was whether the numbers worked for a first-mover manufacturing entry in Europe, and whether Latvia specifically made sense.

That's the question M/s. Sustainable Mobility Technologies brought to NPCS.

The company had the strategic instinct and the sustainability mandate. What it needed was an independent, investor-grade assessment that could hold up in front of lenders, government authorities, and technology partners. NPCS delivered that through a structured six-phase process covering opportunity screening, market analysis, raw material feasibility, technical benchmarking, financial modeling, and implementation planning.

The raw material story for sodium-ion is genuinely compelling from a European perspective. Sodium salts are abundant across Germany, France, and Spain — all within accessible logistics range of Latvia. Aluminium current collectors replace the copper used in lithium-ion cells, cutting cost and import exposure simultaneously. European forestry is actively exploring lignin-based anodes, with pilot-plant results already validating the approach. No cobalt, no lithium, no graphite — the critical mineral dependencies that have kept European battery manufacturers anxious about Chinese supply chains simply don't apply here in the same way.

The market numbers gave the investment case real substance. The global sodium-ion battery market was valued at around USD 600 million in 2025 and is projected to reach USD 1.43 billion by 2033. Europe is the fastest-growing region by some distance — the European segment is forecast to expand at a 36% CAGR through 2034, driven by regulatory momentum including the Net-Zero Industry Act, the Critical Raw Materials Act, and the European Battery Alliance. From 2027, mandatory Battery Passports will require producers to demonstrate traceable, locally sourced supply chains. A Latvia-based facility building those supply chain relationships now is positioned to meet that requirement in a way that late entrants simply won't be.

NPCS benchmarked the manufacturing process against CATL, BYD, and European pilot operations. The recommended approach covers electrode slurry preparation, coating and calendering onto aluminium foil, cell assembly in controlled dry-room conditions, formation cycling to activate cell chemistry, and final module and pack assembly with BMS integration. A plant capacity of 2 to 5 GWh annually was identified as the right entry-point range for a first facility in Latvia.

The financial model projected gross margins of 30 to 40% and net margins of 12 to 18% at realistic capacity utilization, with sensitivity analysis run across raw material cost and pricing scenarios. The Detailed Project Report was structured specifically to support lender presentations and investor discussions. Regulatory guidance covered EU Battery Regulation compliance, Battery Passport planning, and available state aid and incentive programmes in Latvia. NPCS also identified potential European technology partners and research institution collaborations as part of the strategic advisory scope.

Sustainable Mobility Technologies accepted the recommendations and moved into implementation — with permitting discussions already opened with Latvian authorities and procurement planning underway.