The company said that EU law and the sale of the company's former sister organisation, Northern Ireland Electricity, to another company led to the name change.

BBC: NIE Energy changes name to Power NI

The result, marketed under the name of Bauxsol by Virotec International, a former gold-mining company, has proved to be an effective mopper-upper of mining waste.

ECONOMIST: Mine pollution

"It's pretty simple: His name is on the door, " one former company executive said of Mr. Dell.

WSJ: Inside Michael Dell's World