SOLAR PHOTOVOLTAIC SYSTEM
The Solar Photovoltaic Systems (PV) System installed at Heritance Ayurveda Maha Gedara is a hybrid system having both off-grid and on-grid capabilities. The off-grid part of the system consists of a standard battery bank connected to the hotels garden lighting while the on-grid part of the system is connected to the national grid via a net metering agreement with the local authorities. During the day, the solar panels will initially top up the charge level of the batteries. Once completed, the excess generated power will be sent to the grid. The plant capacity is 3.5 kW, producing approximately 4,500 kWh annually. This is the first hybrid system in the country and also the first hotel to have a net metering connection.
SOLAR HOT WATER SYSTEM
Hot water at Heritance Ayurveda Maha Gedara is produced via a steam heat exchanger. The solar hot water system is used to augment the temperature of the supply water to the heat exchanger. This reduces the steam consumption by the heat exchanger and invariably reduces the furnace oil consumption by the boiler. The system saves approximately 1,000 litres of furnace oil annually.
BIOGAS PLANT
The Biogas plant is utilizing kitchen garbage as the primary source for the production of biogas which is utilized in the herbal preparation area. The biogas is also used to light up the back area pathway and herbal preparation area using petromax lamps. As the hotel is an ayurvedic hotel, the wet garbage produced is comparatively low when compared to a normal hotel. An estimated 100kg of waste is generated per day producing approximately 38m3 of biogas having 65% Methane content. The effluent from the system is rich in nutrient and is utilized as a fertilizer.
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