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A state-of-the-art food waste recycling plant built on derelict land at Millerhill, part on the site of Monktonhall Colliery, abandoned in 1997, and part of Millerhill marshalling yards. The land is jointly owned by Edinburgh and Midlothian Councils, and the plant can receive around 30,000 t per annum of discarded food which will be processed by anaerobic digestion, which will produce methane. It also has a mechanical biological treatment facility to treat up to 200,000 t per annum of mixed black bag residual waste and an energy-from-waste facility to generate electricity from up to 100,000 t per annum. Some of the output will be recycled back to agricultural land as a soil conditioner and fertiliser high in valuable nutrients, particularly nitrogen, leaving no waste. The project is run by Alauna Renewable Energy [ARE], a joint venture between Kelda Water Services and Scottish Water Horizons, Link . ARE will be working with the City of Edinburgh and Midlothian Councils to design, build, finance and operate the facility as part of the Zero Waste: Edinburgh and Midlothian Project.

Due to open in 2019, this large recycling and energy recovery centre is being built at Millerhill Link , and adjacent to the Millerhill Waste Treatment Plant Link. It will receive up to 195000 t of household and commercial waste per annum from Edinburgh and Midlothian. Energy will be generated from waste by a CHP plant, sufficient to supply 30000 homes. The facility is being built by Hitachi Zosen Inova (HZI) on behalf of FCC Environment (UK), who signed a 25-year contract to operate the £142 million plant in October 2016.
For an aerial view of the site during construction in 2017 see Tam Nugent's image NT3169 : Millerhill railway yard from the air.