NextChallenge Smart Cities Pitch Day Built Environment Finalists


$80,000 Demonstration Grant Award Winner!
Raphael Carty | Callida Energy | Callida Occupant App

Callida Energy’s Occupant App software uses real-time data collected from occupants to empower building operators to heat or cool buildings more efficiently and reduce carbon emissions.

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Carol J. Miller | Wayne State University/E2i | LEEM

LEEM integrates big data with proprietary algorithms to calculate electricity-related carbon, NOx, SOx, lead and mercury emissions corresponding to the users location and energy use. This technology provides the first ever capability to enable emissions trading and emission-reduction incentive programs.


Lynn Cowburn | LumenCache | Intelligent DC Systems

Lumen Cache will install a DC Nano Grid Infrastructure with Building Automation built right in. Energy efficiency, unlimited control and future proof technology will come with a beautiful LED lighting system.


Paul Savage | Nextek Power | Direct Coupling Battery Solutions Nextek Power

Systems power router redraws the line between utility and the customer, delivering new more reliable service to everyone which is safer and more efficient by 10%-42%. This technology innovation avoids unnecessary power conversions, is more compatible with renewable energy and battery stored electricity than legacy AC systems, and will yield two Emerge Alliance compatible, internet connected, battery interfaces for 380V and 24V DC microgrids.

Brian Tell | Solartonic | Smart Solar Lighting & Connected Infrastructure

Our solarlume(TM) technology is a singular, versatile streetscape platform for the integrated delivery of energy efficient lighting and connected services such as networked wi-fi, cellular, CCTV, edge-lit street signs, traffic signals, digital screen displays, and IoT sensors for autonomous and/or air pollution monitoring – all powered by 100% off-grid clean technology.  With Smart Cities funding, solartonicwill install 6 solarlume poles on one city block in Highland Park, Michigan. Another 4 – 6 poles will be installed in a second Highland Park location with pending additional funding commitments.