An order for 3 additional units is placed the following year.
It does not have to lower the price in order to sell additional units of the good.
The contract was later increased for an additional 15,000 units.
And 4,287 additional units are on the way, most of them scheduled for next year.
Construction of an additional 600 or so units is under way in six new projects.
An order for 20 additional units was signed in July 2008.
In 1985 additional two units of this class were built (numbers 053 and 054).
The price is $1,650, with additional remote units available at added cost.
In February 2010, yet another order was signed for 10 additional units.
Between 1979 and 1995 the power station was expanded by four additional units.
