Bagasse Electricity Potential of Conventional Sugarcane Factories

Table 5

Comparison of the three cogeneration setups that can be adopted by sugar mills.

	Parameter	Intermittent generation	Continuous generation	Firm power generation
1	Power generation capacity (kWh/ton)	10	60	110-130
2	Cane milling rate	10 TCH or 240 TCD	150 TCH or 3,600 TCD	230 TCH or 5600 TCD
3	Load factor and availability	Intermittence allowed	Continuous at 90% load factor	Continuous at 90% load factor, 300 milling days or 7200 hours a year, and 65-66 days for maintenance
4	Ratio of steam to bagasse	1.8 : 2.2	2.5	2.5
5	Steam pressure (bars)	25 to 30	30-45	82
6	Type of turbine used	Back pressure	Condensing	Condensing type
7	Boiler capacity (tons/h)	40	120	140-150
8	Steam consumption	500-600 kg/ton of cane crushed	400 kg/ton of cane milled	400 kg/ton of cane milled
9	Electricity consumption	25 kWh/ton of cane crushed	30% internal consumption	Not more than 30% internal consumption
10	Turbine capacity	0.5-3 MWe	At least 15 MW	At least 30 MW