Extending the input-output energy balance methodology in agriculture through cluster analysis

▸ An input-output energy balance was estimated for greenhouse tomatoes in Colombia. ▸ We used the k-means clustering method to classify growers based on their energy use. ▸ Three clusters of growers were found with energy efficiencies of 0.54, 0.67 and 0.78. ▸ Overall system optimization is possible by improving the energy use of the less efficient.