The company did say it has 12 contracted customers.
The operator also said it had added 756,000 contracted customers last year, some of which were previously pay-as-you-go customers.
The campus is participating in the Demand Load Response Program that allows PJM, whose electric grid serves 13 states and Washington, D.C., to ask contracted customers to lower their usage when the system load reaches dangerous levels.
The Diamond Shamrock Chemical Company announced increases, effective immediately to spot buyers and as soon as possible to contract customers, on chlorine and liquid caustic soda.
The same phenomenon happens across supply contracts, customer pricing, service levels and more.
Chris Godsmark, of the brokers Henderson Crosthwaite, says: "It has a nice mix of customers and 50 per cent of its growth is coming from the more profitable contract customer segment of the market.
"Solyndra officials internally discussed that at least one contract customer risked informing the consultant that Solyndra's price was too high," the report said.
It says it earns pounds 40 a month from each contract customer and pounds 200 a year from pre-paid subscribers compared with pounds 41 and pounds 230 respectively for Orange.
While the number was tiny compared with growth at bigger rivals Verizon Wireless and AT&T, it was a milestone for Sprint, which last reported contract customer growth in the second quarter of 2007.
The remainder came from post-contract customer support.
You either have to be a new Sprint customer or an existing out-of-contract customer.
