The road map for a sustainable and economic viable greenhouse horticulture depends on the local conditions and climate.
Netherlands and Northern Europe
As ‘green’ electricity is coming more and more available in the near future, electrification is an ongoing trend. Most promising solutions are waste heat and geothermal heat, combined with a heat pump, depending on the source temperature. LED’s will be used for illumination. CHP will be welcome for net balancing and peak shaving, and will used as long as they are economical feasible. If grid electricity is regarded as fossile free CHP is a dead end for going towards zero CO2 emissions.