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Large Dutch greenhouse grower turns energy volatility into opportunity

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Volatility in energy prices continues to affect greenhouse gas producers across Europe, as the growing share of renewable energy and developments in electricity markets lead to stronger and more frequent price increases. For a large Dutch greenhouse grower, this challenge became the starting point for a more flexible and efficient approach to lighting management.

Like many high-intensity greenhouse operations in the Netherlands, the business faced rising electricity costs and major surprises while requiring precise light control to maintain consistent crop quality throughout the year.

To meet these challenges, the manufacturer implemented the Netvion intelligent control system. The solution enables real-time control of light intensity and spectrum without the need to rewire or make major changes to the existing greenhouse infrastructure.

© Netvion

Responding to extreme electricity prices
Electricity prices in the Netherlands have shown considerable volatility in recent years, ranging from negative prices during periods of renewable overproduction to sharp peaks in demand. “Traditional wired lighting systems offer limited flexibility to respond to rapid price changes,” says Sharan Avati with Netvion. “This often results in inefficient energy use and higher operational costs.”

With Netvion’s system, the grower can dynamically adjust lighting levels based on real-time electricity prices. During high price periods, light intensity is reduced to the minimum level required for crop development. When prices are low or negative, lighting levels can be increased to support plant growth, taking advantage of favorable market conditions.

© Netvion

Improve crop yield through clear precision
High-value greenhouse crops require precise control of light intensity at different growth stages. Using Netvion’s multi-channel lighting control, the manufacturer fine-tuned light levels from 30 µmol/m²/s at high prices to 200 µmol/m²/s when energy costs were low.

This level of precision optimized energy consumption while maintaining consistent crop quality. Instead of increasing stem length, the cultivar saw a measurable increase in crop weight, reporting 3-7% heavier crops, depending on crop type and growing conditions.

According to the grower, this improvement was driven by better alignment of light levels to plant needs during favorable energy price windows, without overstressing the crop during high-cost periods.

© Netvion

Fast financial impact through the fast energy manager
The financial impact of the wireless lighting system was very dynamic. With a capacity of 3 MW to connect to the grid (“knip”), the producer uses Netvion to respond quickly to fluctuations in electricity prices.

© Netvion In practice, correcting lighting levels allows growers to recover approximately 20-30% of their total daily energy costs in 15 minutes under extreme market conditions.
Depending on electricity prices, it can be worth up to 1,500 euros received in a single 15-minute window, shares Sharan. “This emphasizes the importance of real-time control speed rather than fixed hourly savings.”

“Combined with the reduced installation and maintenance costs enabled by the wireless infrastructure, the system provided a strong business case and approximately a two-year return on investment, while also reducing cabling, labor requirements and overall system complexity.”

© Netvion

Easy integration into existing greenhouses
Although Netvion is designed to integrate with existing climate control platforms, this manufacturer followed a different approach. Instead of using a standard third-party climate computer, the company developed custom in-house software to handle the control logic and system connections.

Netvion’s open and flexible architecture enabled integration with this custom-built platform, allowing the producer to implement their own advanced control strategies, taking advantage of wireless high-resolution lighting.

Sharan: “For other greenhouse operations using commercial climate control systems, integration can be easier. This case demonstrates that Netvion supports both standard integration and highly customized control environments based on the grower’s operational configuration.”

© Netvion

For more information:
Netvion
+31 613921828
(email protected)
www.netvion.io

Cannabis News

Building Nevada’s most vertically integrated cannabis operation

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Nevada is one of the most competitive retail cannabis markets in the United States, and Deep Roots Harvest has been betting for years that the way to win is to control everything. 11 cultivation, processing, manufacturing, extraction and retail locations all under one roof, or pretty close to it. Chris O’Ferrell, Deep Roots Harvest’s Chief Cultivator, runs the growing side of that operation in two facilities totaling 30,000 square feet, pushing 500 pounds of harvested cannabis per week and 2,000 pounds of biomass per month.

“The Source and Deep Roots harvest retail team sells 75 kilos of cannabis daily, 500 kilos weekly, over a third of which is in-house to support the High Heads, Neon Moon and CAMP brands. We cultivate, extract, process, manufacture and work the retail locations,” says Chris. “We have one of the largest market shares in Nevada in terms of retail volume and gross sales.”

That volume is produced by 60 full-time employees at the two sites, and the crop program behind it is, by any reasonable measure, built for efficiency and quality. “Many of the genetics in our library consistently exceed 100 grams per square foot, which directly helps reduce our overall cost per gram,” explains Chris. “We operate with a consumer-first approach, focusing on cost consciousness while providing tasty and competitive offerings. We operate below 70 cents per gram, a benchmark that reflects careful cost management. Getting there and staying there has required compressing costs at all input levels while continuing to invest in technology that moves the needle on quality, cost efficiency and performance.”

© Deep Roots Harvest Chris O’Ferrell, Chief Cultivator at Deep Roots Harvest

Genetics as intended by the producer
The transition of light is a clear example of this, as is the case with cannabis. In the beginning, the company used your classic HPS lights. As LED technology advanced, Deep Roots made the switch. However, it wasn’t just about improving energy efficiency. Chris and the team understood that the more precisely the crop was targeted, the better the final product would be. Energy savings don’t necessarily show up on retail shelves, but crop control does, in the form of flowers that express their genetics the way the grower intended.

To achieve this level of control, the spectrum became a critical tool. “We start with the spring setting, using the blue light to regulate the spacing of the interiors and control the spacing,” he explains. “As the plants progress, we move to the summer spectrum until the end of week eight, switching to a broader spectrum light with balanced wavelengths. This increases the red light, along with other parts of the spectrum to more closely replicate sunlight. We also increase the light intensity during the flowering phase to improve the plant’s photosynthetic performance, accumulation and photosynthetic activity. The parameters support the initiation of flowering, accelerate maturation and allow the plant to reach its potential they allow him to fully express his genetics.”

Nothing is left to chance
At canopy level, plants from the two largest facilities are housed in two-gallon coco pots, chosen to accommodate longer growing periods and larger plant structures. The second facility operates stone wool. Both use substrate sensors in connection with fertigation control, and track performance at different growth stages. Dissolved oxygen is injected into the root zone to increase availability, and a chlorine injection system keeps the lines clear of pathogens with a relatively inexpensive cleanup compared to conventional cleaning programs. “A chlorine injection system is relatively inexpensive to implement, replacing approximately $40,000 in other cleaning and disinfection products annually,” says Chris. “It’s all about being ahead of the curve.”

Pest management is entirely biological, implemented in conjunction with mechanical and cultural controls. “We haven’t had any pest problems,” says Chris. “This was also a decision based on reducing inputs while maintaining, if not improving, the quality of the product.”

Genetics is the backbone of cannabis operations and the gas that drives the company’s engine. They receive the same systematic treatment as all other parts of the operation. A steering committee reviews the portfolio quarterly, withdrawing underperforming cultivars and acquiring replacements based on market data from multiple markets, cross-referenced with gaps in the current menu. The criteria are repeatable agronomic performance, yield, potency, distinctive flavor profile and the ability to wash well for extraction, ensuring strong yields for both rosin and resin production. “All genetics need to adapt to the program,” says Chris. “Unique production, potency and flavor expression that fills the void of what we don’t have on the menu. It’s about finding a commercial cultivar that works well and fits the existing infrastructure. All the cultivars we grow now have a similar and predictable growth structure. The difference is the color, the smell, the experience. They are very close agronomically.”

For more information:
Harvest deep roots
deeprootsharvest.com

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Marijuana Reform Group Polls Consumers About Freedoms Where They Live Ahead Of 4/20

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Ahead of the unofficial cannabis holiday on 4/20, a leading marijuana reform group is asking consumers to take a poll about the freedoms they experience (or lack thereof) where they live.

The new 2026 Cannabis Freedom Survey from the National Organization for Reform of Marijuana Laws (NORML) includes the questions: “Where you live, how free are adults to legally possess and access cannabis?” and “Where you live, how concerned are you about the legal consequences for cannabis users?”

The survey “is designed to capture the real-time sentiment of cannabis consumers in the United States and abroad to see how individuals experience the politics of cannabis in their daily lives,” NORML said.

The the questioning It also includes a question asking people to choose “the most important step that would increase the freedom of cannabis where you live.”

Options include ending marijuana arrests, legalizing adult marijuana, allowing adults to grow their own cannabis, allowing the sale of legal cannabis, making legal cannabis cheaper, clearing records and resolving past convictions, changing federal cannabis laws and protecting consumer rights (parental, workplace, housing, health).

In addition, it asks whether respondents at the national level fully respect marijuana policy for consumer freedom, whether it is moving in the right direction, stagnant without significant progress, or regressing.

“In some jurisdictions, cannabis comes with real freedom. In others, it still comes with real consequences,” NORML Director of Development JM Pedini said in a press release. “This survey is about capturing that gap, not just what the laws say, but how people actually experience them.”

Pedini told Marijuana Moment that the organization will likely compile the results and release them a few days before 4/20.

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Governor vetoes medical cannabis bill

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The veto pen is one of the most powerful tools in the Mississippi Legislature, and Governor Tate Reeves has used it throughout his tenure. This year, his vetoes have mostly targeted public health bills so far, with more to come.

There are three ways Reeves could handle the bills that passed both chambers. He can sign bills he supports and allow them to become law without his signature. He can also block legislation he disagrees with by vetoing a bill or part of it and deferring it to a future legislative session.

As of Wednesday, April 8, he has vetoed four bills, half as many as in the previous two sessions, but Reeves will continue to review the legislation and reject more proposals in the coming days.

Reeves vetoed two medical marijuana bills that passed the Legislature this session, dealing a fatal blow to bills that have already faced friendly chambers. One of the bills, the “Right to Try Medical Cannabis,” contained only one specific provision that Reeves disputed. The original intent of the bill, which Reeves praised, was to expand the opportunity to try medical marijuana to those with debilitating conditions that fall outside the scope of current law.

Read more at Clarion Ledger










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