Discover the groundbreaking electric coffee roasters of Minnesota
In the world of coffee, a shift is underway as manufacturers develop larger and smarter electric coffee roasting machines. This move is aimed at competing with traditional gas-powered counterparts, and it's all part of an effort to reduce the climate impact of coffee roasting.
Two trailblazers in this movement are Zach Whitney and Nicole Bolea, who founded Coffeewomple in 2022. Initially, they were roasting small batches of beans at home. However, as their passion for coffee grew, so did their ambitions.
During the COVID-19 lockdown, Whitney, a building electrical designer, began experimenting with a small, electric coffee roaster. Meanwhile, Bolea, a chemical engineer, started exploring a system for capturing carbon emissions if they had to resort to a gas roaster. Their shared goal was to minimise their climate impact, and they chose to roast coffee on electric machines.
As they outgrew their home setup, they faced a challenge in finding a commercial-scale electric coffee roaster that could roast approximately 30 bags per batch. Their search led them to Dutch manufacturer Giesen Roasting Solutions, which had just announced the largest commercially available electric coffee roaster, the W15E.
However, running the European machine on U.S. voltage proved to be a challenge for Whitney. Nevertheless, they persisted, and in 2024, they signed a deal to buy the machine after it was displayed at the Specialty Coffee Expo in Chicago. This move saved them on shipping costs and reduced lead time.
The electric roaster, which requires an alternating current of 400 volts, posed another challenge in finding a location with enough electric capacity. Despite these hurdles, Coffeewomple's commitment to sustainability and the growing trend towards electric coffee roasting made this investment worthwhile.
Interestingly, commercial coffee roasting has primarily been done in gas-powered machines. However, the COVID-era coffee tinkerers like Whitney are helping to increase interest in electric coffee roasting technology.
In fact, electrification has been trending for years. Most small electric appliances have long been an entry point for at-home coffee roasting. As manufacturers continue to innovate and develop larger, smarter electric coffee roasters, it's clear that this trend is here to stay.
As we move forward, it remains to be seen who will present the largest commercially available electric coffee roaster in 2024. While no specific manufacturer has been publicly documented or announced, machines with capacities around 5 kg are currently available, suggesting that larger roasters may not be far behind.
In conclusion, the rise of larger electric coffee roasters marks an exciting development in the coffee industry. With a focus on sustainability and innovation, manufacturers are poised to redefine the coffee roasting landscape, one bean at a time.
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