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Biomass Plant in Umbria

RENA ENERGIA SRL, a Green Network Group company, has developed a combustion plant fuelled by renewable sources in Vocabolo Rena in the municipality of Avigliano Umbro in the province of Terni, operational since 20/12/2012.

In the plant the oven is fuelled by solid biomass consisting of vegetable materials deriving from prunings and the mechanical processing of untreated wood (chipping). Set up to work on a cogeneration basis, the plant makes it possible to recover thermal energy in the form of steam, which in turn is used to power a plant for the production of pellets, providing 600 kg/h of steam at a pressure of 2.3 bars and a temperature of 240°C.

The plant is based on a classic Rankine cycle whose steam generator is able to produce 6 tonnes/h of steam at a pressure of 30 bars and a temperature of 450°C, which powers a Turbogenerator of approx 1000 kW that functions at all times. A 92 kWp peak power photovoltaic system was installed on the biomass plant cover.

The net electricity produced, incentivised by GSE via the Tariffa Onnicomprensiva (all-inclusive feed-in tariff), is sold to the network of the Local Distributor in its entirety.


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