Converting Energy Savings into Capital Improvements Integro is a leading Commercial Real Estate Owner's advocacy group specializing in C-PACE financing. As CRE Professionals, we see the world through your lens. We've walked in your shoes. We apply our 110+ years of Commercial Real Estate experience and knowledge, focused on guiding you to bigger savings and more energy efficient properties by maximizing the amazing opportunity that is the C-PACE program. C-PACE, or Commercial - Property Assessed Clean Energy, is a financial program designed specifically to give Commercial Property Owners powerful financial incentives for completing capital improvements on their properties.