Green Alternatives, Inc. is a group of certified solar installers who provide building services for commercial and residential purposes.
As the technology leader, we find, develop, and implement innovative methods to monitor and control energy for welding technology, photovoltaics, and battery charging.
Johnson-Melloh designs and builds energy-efficient mechanical system upgrades, building automation systems, solar electricity, and solar thermal systems as well as energy storage and transfer solutions.
Wellspring Renewable Energy has a warehouse stocked with the latest components for wind, solar, and power backup systems. We provide clients with custom-designed systems and solutions that range from solar/wind combinations with generator backups, to solar hot-water systems.
Zehnder America Inc. provides high quality heating and ventilation solutions to promote comfortable, healthy, and energy-efficient indoor living.
MPI Solar provides state-of-the-art solar panels for both commercial and residential applications. Being centered in Bloomington, IN allows to serve the surrounding southern Indiana areas, and beyond.
The Power Bureau is a consulting firm that advises energy buyers and marketers on wholesale and retail energy procurement and transactions in Illinois as well as the remainder of MISO and PJM.
Whole Sun Designs Inc. specializes in the design & installation of residential solar energy systems. We work with everyone, from home owners looking for a turnkey system, to do-it-yourself-ers looking for equipment and guidance. Though residential, grid-tied solar electric systems are our specialty, we also have experience in solar thermal systems, off-grid solar electric systems, and commercial-scale solar electric systems.
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