Mark Draper, chief executive of power plant operator Peak Gen Power, cautioned against repeating the mistakes of the past.
Mr. Wurtz is chief executive of Power Assure, which helps computer data centers reduce their energy load.
Tom Dinwoodie, the chief executive of PowerLight, said: "Solar has a bad rap from back in the 1970's.
"This is a conventional zinc-manganese dioxide battery, with the usual anode and cathode," said Baruch Levanon, chief executive of Power Paper, the private company that developed the battery.
"We are presently busy at restoring the grid," said S.K. Soonee, chief executive of Power System Operation, part of state-run Power Grid, which manages the transmission grids in the country.
Dyke Messinger, chief executive of Power Curbers in Salisbury, N.C., said he would like to fill four slots at his construction equipment company but would only hire three people because he anticipated that his tax bill would rise by $100,000.
Retailers can choose not to have their product reviews posted on PowerReviews.com and still post the reviews free on their own sites, but Andy Chen, the chief executive of PowerReviews, said most of them wanted the additional exposure.
But in Bentonville, Ark., Wal-Mart's headquarters, alarms that alert executives of power failures at stores went off by the dozens.
Vidhya Alakeson, chief executive, The Power to Change Vidhya Alakeson was appointed the chief executive of The Power to Change in January 2015.
Lawrence Slade, chief executive of the power industry lobby group Energy UK, said the report found no evidence of profiteering.
Andy Koss, chief executive of Drax Power, said: "These Christmas figures show that the UK energy system really is changing.
