These high-penetration levels have put enormous pressure on the electric grid and created considerable doubts about the ability to interconnect more variable resources with the grid safely.
"That takes the pressure off the electric barrier and buys all of us some time in finding a long-term solution, " which could include some type of watershed separation, he said.
Bank of America is still under pressure after announcing restructuring plans and 30, 000 layofffs on Tuesday, while General Electric made headlines for paying back Warren Buffett for his emergency asistance during the financial crisis.
Under pressure from politicians, Warren Buffett and the Financial Accounting Standards Board, companies that include General Electric and Coca-Cola have taken the pledge this year and started deducting the value of grants from net income.