since these cannot meet the cookingthermal needs of households one of the requirements of the doe is that the suppliers of nongrid technologies augment their services by selling thermal fuels such as paraffin and liquefied petroleum gas lpg the installation of shs must be such that the maximum densification of the installed base is achieved in a specific area the service provider who holds a monopoly for servicing an area must make sure that universal access is achieved in a village identified as a nongrid area in early the doe issued a call for proposals for nongrid rural electrification