Inexpensive, decentralized,

SUBOL Mondal, a 55-year-old smalltime farmer, at Dayapur village in the Sunderban forests, West Bengal, is very particular to keep his date with the local banker every month. He is servicing a 15-year loan, at subsidised interest rates, and paying out an equated monthly instalment (EMI) of Rs 900 in the beginning of the month is not a mean job.

Renewable energy is not a viable option unless energy can be stored on a large scale. David Lindley looks at five ways to do that.

This paper focuses on the potential role that large-scale energy storage systems can play in future power systems. The starting point and basis for simulations is the Energy Technology

There are certain technology challenges which have waited in vain over several decades for a satisfactory solution. The economical storage of electricity is one of them. But intensive work in the meantime is driving advances along various avenues.

A sustainable energy supply is a precondition for economic and social development and achievement of the Millennium Development Goals. In many parts of the world, a large share of the population have no access to modern energy services. At best, towns and industries are supplied with antiquated and unsustainable energy facilities.

Energy cooperation in South Asia presents tremendous potential for the development of regional resources in an integrated manner by exploiting the complementarities and optimal utilisation of available resources. Much will depend on how South Asia benefits from its proximity to south western and central Asia to meet its gas and oil needs.

THE extraction, transportation and conversion of fuels and the end-use of energy have resulted in a wide range of environmental problems. It is tempting to believe that development is the most