By Heather Clancy, GreenBiz.

The corporate world has done an admirable job of inspiring the addition of solar and wind electricity to the worldwide grid — more than 8 gigawatts of capacity in the past five years alone has been inspired or influenced by their demand, according to figures from the Business Renewables Center.

But the cold, hard truth is that if companies focus on addressing electricity alone — without considering how they fuel heating and cooling functions across factories or campuses — many are likely to fall short of their "renewable energy" aspirations.