The answer, perhaps surprisingly, is RusHydro, a partly state-owned company that owns most of Russia's hydroelectric plants.
That means output from hydroelectric plants will be down, cutting off a possible source of electricity for the state.
Instead, BP is piping electricity in through an undersea cable from hydroelectric plants on the Norwegian mainland, 180 miles away.
Water levels in rivers are low, with the result that hydroelectric plants are generating about a fifth less electricity than normal.
Most hydroelectric plants aim to generate the same amount of energy year-round.
The government is betting on a higher oil price and on new hydroelectric plants, which will cut spending on subsidies for imported energy.
Both Google and Microsoft have had to put some of their huge data centres next to hydroelectric plants to ensure access to enough energy at a reasonable price.
That's true even in Afghanistan, where a series of dams and hydroelectric plants built with American support in the 1950s and 1960s have survived two decades of almost constant warfare.
Rather, the country is well supplied with hydroelectric plants.
"The Ariad position is equivalent to discovering that gravity is the force that makes water run downhill and then demanding the owners of all the existing hydroelectric plants begin to pay patent royalties on their use of gravity, " says Armitage.
Ecuador and Nicaragua are working more closely with Brazil in helping to construct hydroelectric energy plants and chemical industries, respectively.
In November Iran is also expected to choose a site for a 120 million dollar hydroelectric power station, with another three plants potentially to follow.
These dams, which produce one-third of the hydroelectric power in the United States, attracted the power-hungry aluminium plants that supplied metal for Boeing's aircraft production in the second world war and afterwards.
However, since Brazil switched on more gas-fired thermal plants in October, to cope with growing demand and ease the pressure on the hydroelectric power system, costs have increased significantly.
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