Indoor vertical farming has experienced its most commercially turbulent period since the sector emerged as a credible investment category, with a series of high-profile company failures and restructurings from 2022 to 2024 forcing a fundamental reassessment of which crop types, farm sizes, and market positioning strategies can generate the unit economics required for sustainable commercial operation. AppHarvest, Fifth Season, Revol Greens, and AeroFarms have all entered bankruptcy proceedings, while Bowery Farming ceased operations and Infarm underwent significant restructuring, representing the collapse of several of the most heavily capitalised vertical farming companies that attracted institutional investment during the peak period of sector enthusiasm. The commercial failures share common characteristics: excessive capital expenditure per square foot of growing area, energy costs that proved unviable at the scale of their facilities relative to the revenue achievable from commodity salad crop pricing, and market positioning strategies that did not achieve the premium pricing necessary to cover the structurally higher operating costs of controlled environment production relative to field and greenhouse alternatives.
Leafy Greens: The Category Where Vertical Farming Remains Viable
Leafy green vegetables including microgreens, baby spinach, arugula, herbs, and specialty salad greens remain the product category with the strongest economic case for indoor vertical farming because their high value-to-weight ratio, short crop cycles of 10 to 21 days, sensitivity to pesticide residues that indoor production eliminates, and consumer premium for locally grown and chemical-free products generate revenue per square foot that can support the energy and capital costs of vertical farm operation at appropriate scale and with operational efficiency. AppHarvest's focus on large-scale tomato production and the broader sector's attempt to extend vertical farming economics into higher-water and lower-value crops including tomatoes, cucumbers, and strawberries at commodity price points was a commercial error that the surviving sector has largely corrected, with the remaining viable commercial vertical farms concentrated in leafy greens and herbs where the production economics are more defensible. Gotham Greens, Little Leaf Farms, and Plenty's retail-focused operations have demonstrated that leafy green vertical farming can operate profitably at appropriate scale with disciplined capital deployment, though even among the survivors operational efficiency and energy cost management distinguish the commercially viable from the marginal.
The energy cost component of vertical farming economics is the most significant operating cost variable and the one that has proven most damaging to the business models of farms built on assumptions of continued low electricity prices. Artificial lighting, which accounts for 25 to 40 percent of vertical farm operating costs in indoor facilities without natural light supplementation, became structurally uneconomic for many vertical farm operations when electricity prices in the US and Europe rose sharply in 2021 and 2022, exposing the fragility of business models that had not stress-tested their unit economics against realistic energy cost scenarios. The LED lighting efficiency improvements that have reduced the kilowatt-hours required per gram of leafy green produced over successive technology generations are a genuine offset to energy cost pressure, and farms with the latest generation of high-efficiency horticultural LED systems have meaningfully lower energy cost exposure than those operating with lighting technology from the 2017 to 2020 build period.
Greenhouse and Hybrid Models as the Commercial Middle Ground
Sophisticated greenhouse operations, including Dutch-style Venlo glasshouses with supplemental LED lighting, CO2 enrichment, and advanced climate control, represent a commercially proven middle ground between field agriculture and fully indoor vertical farming that achieves many of the controlled environment benefits including year-round production, reduced pesticide use, and water efficiency at capital and operating costs significantly below those of fully indoor vertical farms. Dutch greenhouse companies including Gotham Greens' greenhouse operations, Village Farms International, and the Netherlands-based specialist growers that dominate European premium greenhouse produce supply have demonstrated consistent profitability over multi-decade operating histories that fully indoor vertical farms have not achieved at commercial scale. The commercial resilience of sophisticated greenhouse operations relative to fully indoor vertical farms reflects both their lower energy costs from natural light utilisation and their decades of operational expertise in crop management, pest control, and market development that fully indoor companies attempted to replicate rapidly with insufficient operational depth.
Vertical farming companies pivoting toward hybrid greenhouse models that combine natural light with supplemental LED, retractable roof sections that can capture solar energy, and climate control systems that optimise between natural and artificial heating and cooling are attempting to capture the controlled environment quality and year-round production benefits while reducing the energy cost exposure that fully indoor models carry. AppHarvest's original facility design incorporated natural light alongside LED supplementation in a hybrid approach that reduced energy costs relative to fully indoor competitors, though it was unable to overcome its other operational and market positioning challenges. The hybrid greenhouse model is likely to be the dominant commercial form of controlled environment agriculture rather than the fully indoor multi-layer vertical farm that attracted the most investment capital during the peak enthusiasm period, and the distinction between sophisticated greenhouse technology and vertical farming in investor and media discussion has often obscured that the commercially successful operations were predominantly greenhouse-based rather than fully indoor.
Automation and Labour Cost Reduction
Labour cost is the second largest operating cost category for vertical farms after energy, and the automation investment required to reduce the hand-planting, harvesting, and packaging labour that characterises less automated vertical farm operations is a significant capital expenditure that must be balanced against the labour cost savings it generates over the farm's operating life. Robotics companies including Tortuga AgTech, Root AI (acquired by AppHarvest), and Iron Ox are developing harvesting robots for leafy green crops in vertical farm environments, with autonomous navigation systems that can operate in the tight aisle spacing of vertical growing racks and picking end effectors that handle delicate leafy green stems without bruising damage that would reduce product quality. The business case for vertical farm automation is stronger at larger farm scale where the fixed cost of robotic systems can be spread across higher production volumes, and weaker at the smaller boutique farm scale that some vertical farming startups have pursued as a lower-capital-entry approach, where the labour cost per unit of production is higher but the absolute labour cost saving from automation is insufficient to justify robotic system capital investment.
Automated seeding and transplanting systems that reduce the labour-intensive early crop stage handling, automated nutrient monitoring and delivery systems that maintain precise hydroponic solution chemistry without manual sampling and adjustment, and machine vision quality inspection systems that identify and remove substandard product before packaging all contribute to the operational efficiency improvements that viable commercial vertical farms require to operate at labour cost levels competitive with greenhouse alternatives. Plenty, the vertical farming company that attracted the largest single venture investment round in the sector's history through its partnership with Walmart, has invested most heavily in automation and robotics as the operational foundation of its commercial model, recognising that labour cost reduction through automation is essential for scaling vertical farm operations to the volumes and costs required for mainstream retail supply.
Pharmaceutical and High-Value Specialty Crops
Beyond food production, controlled environment agriculture is finding commercially attractive applications in pharmaceutical and nutraceutical crop production where the value per kilogram of the harvested product is orders of magnitude higher than food crops and where the precise environmental control, contamination prevention, and year-round production that indoor vertical farms provide justify the production cost premium. Medicinal cannabis has been the most commercially developed high-value indoor agriculture category globally, with the controlled environment and security requirements of cannabis cultivation aligning well with the capabilities of indoor vertical farming infrastructure. Beyond cannabis, the production of botanical ingredients for pharmaceutical and nutraceutical applications, including specific flavonoids, alkaloids, and terpenoids from plant species that are conventionally field-grown or wild-harvested with high quality variability, represents a commercial opportunity for controlled environment production that is at an early stage but growing as pharmaceutical companies seek supply chain security and quality consistency for botanical active ingredients.
Top 10 Companies in Controlled Environment Agriculture and Vertical Farming
- Plenty -- Fully automated indoor vertical farm company with Walmart supply partnership, investing heavily in robotics and AI-driven crop management for leafy green production at commercial retail supply scale in California.
- Gotham Greens -- Greenhouse and indoor growing company with multi-state US production network of rooftop and standalone greenhouses supplying branded packaged salad greens to retailers and foodservice customers.
- Little Leaf Farms -- US greenhouse lettuce producer with high-tech glass greenhouse facilities in Massachusetts and expansion sites, supplying packaged lettuce to northeastern US retailers with locally grown positioning.
- Village Farms International -- Canadian greenhouse produce and cannabis company with large-scale BC greenhouse tomato, pepper, and cucumber production alongside Delta-9 cannabis operations demonstrating hybrid greenhouse commercial model viability.
- BrightFarms -- Greenhouse produce company with retail-branded packaged salad greens from greenhouse facilities co-located near major US population centres for local freshness positioning and reduced distribution distance.
- Infarm -- German vertical farming company that underwent major restructuring, retaining modular in-store farm and urban growing hub operations after scaling back its large central farm model across European and North American markets.
- Iron Ox -- Robotics-first indoor growing company with autonomous growing system using mobile robots for plant handling in hydroponic environment, targeting labour cost reduction as primary commercial differentiation in indoor produce.
- AppHarvest (Revived Operations) -- Morehead Kentucky greenhouse facility continuing operations post-bankruptcy under new ownership, with hybrid light greenhouse model for tomato and leafy green production in Appalachian region.
- AeroFarms -- Aeroponic indoor vertical farming company restarting operations post-bankruptcy restructuring with focus on high-value specialty greens and pharmaceutical crop cultivation using aeroponics technology.
- Signify (Philips Horticulture LED) -- LED horticultural lighting company with GreenPower LED grow light systems enabling energy-efficient crop lighting for greenhouse and indoor vertical farm operations globally.
Our Take
The vertical farming sector has undergone a necessary and ultimately constructive commercial correction that has eliminated the most capital-intensive and economically fragile business models while leaving a smaller number of commercially viable operations that have demonstrated the unit economics required for sustainable profitability. The key lesson is that fully indoor multi-tier vertical farming is economically viable in a narrow band of high-value, short-cycle leafy green crops and specialty products at disciplined capital deployment levels, and that attempts to extend the model to commodity crops or achieve profitability at the high capital expenditure levels that characterised the peak investment period were commercially untenable. The commercially successful form of controlled environment agriculture is more likely to be sophisticated greenhouse technology with selective supplemental LED than fully indoor vertical farms, and investors and operators who maintain the distinction between these models will deploy capital more effectively than those who group all controlled environment agriculture under a single investment thesis. The pharmaceutical and nutraceutical crop opportunity is under-explored relative to the food production focus that has dominated vertical farming investment, and the value-per-kilogram economics in botanical active ingredient production justify controlled environment production at capital and operating cost levels that cannot be justified for food crops. -- Priya Nair, MarketsNXT