Two huge hydro-electric power schemes, on Lake Cahora Bassa in Mozambique and in the Lesotho mountains, which will zap electricity across the region, are also being built.
And the groups of crofters and villagers who have bought them on a community basis have eagerly set about all sorts of enterprises, ranging from hydro-electric power schemes to holiday cottages.
Larger and more permanent gains can come from replacing or consolidating older, less energy efficient equipment with newer models that are ready to participate in advanced power management schemes.
FORBES: Evaluating Energy Management Maturity: A Checklist for CIOs
The bits even get through the noise--a test older power-line schemes often failed.
Indians proved that if they are given purchasing power through employment schemes, they will survive even when food is scarce.
"Councils have long called for the power to introduce lane rental schemes to ease roadwork congestion during rush-hour, " she said.
They've dreamed up wireless protocols, space-based options and even schemes that use the power lines coming into your house.
Soft paternalists argue that, without the power of the state behind such schemes, they will often break down: the sovereign consumer can always veto his own decisions.
And he said the schemes were identifying barriers to local power which could be removed.
And there are questions too of whether hydroelectric schemes are the best way to power a region that regularly sees droughts and may in future see them even more frequently as a consequence of man-made climate change.
Amex's senior vice president for digital partnerships, Leslie Berland, said that the success of the firm's existing social media schemes suggested that there was "significant power in combining our assets with Twitter's platform".
As more governments look to civilian nuclear power as a source of clean electricity, tighter controls and other new schemes are needed to help stop would-be cheats or terrorists from exploiting or stealing some of the proliferation-prone technologies and materials for bomb-building.
The Koeberg nuclear power station near Cape Town provides 5% of capacity and hydroelectric and pumped storage schemes make up the rest.
The energy concerns of the future have also been taken into account with grand schemes of super-fast charging batteries supplied ultimately by solar or wind power connected to the stacking stations that could even feed back into the energy grid of the city itself.
This was because the regulations behind the schemes did not comply with the Act of Parliament that gave the DWP the power to introduce the programme.
Rupert Steele from Scottish Power said tariffs are "significantly simpler than most people think" but they can get complicated with discounts and benefit schemes and he said he didn't think it was in customers interests to withdraw these deals.
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