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Integration of renewable energy into existing energy infrastructure

V.V.N.Kishore

Professor & Head, Dept. of Energy & Environment TERI University, Delhi

(vvnk@teri.res.in)

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Biomass availability estimates Year Biomass estimates (million tonnes)

Ravindranath Biomass atlas IISC

Production Surplus**

1996-97 626.5

1998-99 653.4* 546.4 139.4

2004-05 741.0* 619.0* 157.9*

2010-11 840.6 701.2* 178.8*

2024-25 1127.3* 938.0* 239.2* Notes: * Projections based on 2.12% annual growth (same as Ravindranaths two year values) ** Surplus biomass fraction assumed constant as given in biomass atlas of IISc Source: http://lab.cgpl.iisc.ernet.in/CropReport/Default.aspx accessed on 15 Sept 2007

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Economics of Solar Water Heating

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Principle of working of Scheffler

Community Solar Cooker

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Levelised Annual Cost (LAC) of electricity from Solar PV

System Capacity = 1 kWp Capital Cost = $ 9000 OMRC = 2.0 % CRF (8%) = 0.102 CRF (5%) = 0.08 Annual Energy Generation = 1550 kWh LAC (8 %) = 31.5 (Rs/kWhel) or 0.7 $/kWh LAC (8 %) = 25.8 (Rs/kWhel) or 0.57 $/kWh Rather expensive in comparison with grid electricity. How about other end-uses?

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Economics of Renewable Electric Vehicles

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Turbo Wood-Gas Stove

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Comparative energy cost for different fuels

Comparitive Energy Cost (in Rs.) for 17,500 kcal/h useful energy

17

32

35

45

74

77

102

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Conventional Oven [wood]

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Village electrification Gasifier at Village Jemara, Chhattisgarh

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