It's not cheap because the costs of building it is cheap, the companies are willing to undercut each other for the benefit of getting the contracts. The question is whether they will ever be profitable at this level.
Quote:
One can suspect that Masdar had access to long-term financing through the wealthy emirate of Abu Dhabi that no commercial banks, the primary source of capital for the other bidders, could match in cost.
From: http://www.apricum-group.com/dubai-shatters-records-cost-sol...