Solugen co-founder Gaurab Chakrabarti on decentralizing US chemical manufacturing with modular, enzyme-based plants

Summary

Solugen, founded in 2017 as an MIT spinout and YC alum, is building modular chemical manufacturing plants roughly 10,000 square feet in size — warehouse-scale versus the island-scale refineries that define conventional petrochemical infrastructure. The core thesis is decentralization: produce chemicals on-site or near the end customer, cutting out a five-layer distributor chain and reducing the hazards of long-distance transport for volatile substances like hydrogen peroxide.

Gaurab Chakrabarti, co-founder, frames the company's market opportunity around a single uncomfortable statistic: 80% of chemicals consumed in the US are imported, predominantly from China. Solugen's answer is to target chemicals that are difficult to ship internationally, hard for China to replicate, and suited to enzyme-based production processes the company is developing domestically.

Capital Structure

Solugen has raised approximately $700 million in venture and growth capital. It also received a Department of Energy Loan Programs Office offer of $214 million at 6%, though Chakrabarti describes that program as operationally complicated under the current administration given its Biden-era origins. The company is now pursuing private bank debt instead, using demonstrated commercial-scale unit economics as its underwriting case.

Solugen owns its plants outright rather than spinning assets into separate project-finance vehicles. Chakrabarti argues the speed advantage of full ownership outweighs the capital efficiency of third-party structures — the company built its first commercial plant in 11 months, versus the three-year timeline a traditional white-shoe engineering firm would have required under DOE conditions.

Go-to-Market Trajectory

The company's early sales motion was deliberately small and high-margin. Solugen first targeted float spa operators — sensory deprivation tank businesses that use significant volumes of hydrogen peroxide as an antimicrobial — capturing 80% market share within two years. It then launched a consumer cleaning wipes brand, Ode to Clean, which was acquired by the nation's largest wipes manufacturer, generating both an exit and a B2B supply contract that anchored the industrial sales motion.

Current industrial applications span water treatment, paper and pulp processing, and high-test peroxide rocket propellant, which Chakrabarti describes as more powerful than liquid oxygen. Defense applications are a growing segment, where automation is being prioritized specifically because the products involved are explosive.

Technology Differentiation

Solugen uses enzymes as catalysts rather than conventional petrochemical processes. Traditional petrochemical yield runs around 60%, meaning 40% of input carbon becomes waste or CO2 emissions. Chakrabarti positions yield optimization — not automation or robotics — as the primary lever for cost competitiveness.

On the AI-assisted chemistry front, Solugen published a paper last week describing an algorithm internally called BADASS, which predicts enzyme sequences most likely to produce a desired catalytic function. The model achieves 75% predictability based on sequence data alone. Chakrabarti frames this as useful but secondary to reactor engineering, characterizing the core challenge as an applied engineering problem rather than a pure science one.