Here we go with our third installment of 2013 Smart Grid Companies to Watch nominees. Scroll down to learn about six more companies nominated by SGN readers as potential 2013 smart grid superstars – and then vote for the one out of the six you think most deserves to move into the next round.   How it works: We are running daily quick polls with each group of nominations until we have introduced all of this year's contenders. Then we'll take the 25 companies that got the most votes in the daily polls and run a final poll where you'll select our 13 in 2013 finalists. So unlike .

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previous years, you can vote for one company in each group of nominations. We've linked the previous installments at the bottom of the page in case you missed them.

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Please note: In many cases what you see below is a condensed version of the nomination that was sent in since many folks had trouble limiting their nominations to a single paragraph. You should also know that we have not verified the accuracy of information contained in nominations.

Belden -- With products in 75 percent of the top 100 power utilities in North America, Belden has a powerful platform from which to expand in 2013. Substations are at the heart of the smart grid data collection and management activity. In the past five years, the company has acquired Hirschmann, GarrettCom and Byres Security, which complement its wire and cable division to provide a communications solution that is substation-hardened to meet the harsh conditions found in power utility T&D operations. Having spent the last year consolidating its position and bringing another two key accounts into the fold (ABB and Schneider), Belden is looking forward to 2013 where it expects to increase sales in both direct markets and through OEMs because of its substation-specific end-to-end connectivity solution and position as the only vendor-agnostic supplier of hardened communications components to substation automation manufacturing companies. Belden website>>

DNV KEMA is the consulting company utilities turn to for creating workable roadmaps to smart grid. It also created a groundbreaking software modeling microgrids that can advise an organization on how best to invest its assets. DNV KEMA website>>

Enlighted -- The company has created an intelligent, autonomous device that plugs into light fixtures to control the ambient environment of the 10 foot by 10 foot space directly beneath it. By dividing offices into tunable microclimates, Enlighted has managed to cut light power consumption by 50 to 70 percent at facilities owned by Google, Turner Broadcasting, Hewlett-Packard and other Fortune 1000 enterprises. Data about energy use and building use compiled by the devices can also be mined by property owners to understand internal traffic patterns, conference room vacancies and other metrics. Backed by Kleiner Perkins Caufield and Byers and Intel, Enlighted has already begun to establish relationships with demand response providers and will later this year announce new programs for acquiring its technology. Enlighted website>>

ISA Sensing -- I would like to nominate ISA because of their breakthrough efforts in bringing down the cost of residential submetering. Their concept of having a Smart Home for the Smart Grid has been paying off, with their Cloogy line of products now capable of providing valuable information to the grid that nicely complements the information coming out of the smart meter. By bringing the per-home cost of a Home Energy Management System to around 100 euros, ISA has made it cost effective to make hundreds of thousands of individual homes cooperate with the smart grid, tuning the consumption according to the energy availability. ISA Sensing website >>

NextStep Electric brings 21st century efficiency to the energy industry. Our technology revolutionizes the deployment, installation and design of grid attached micro-arrays. The Smart Array 3000 is a smart grid interactive five-in-one-solution, specifically designed for installation on utility distribution poles. The NSE Smart Array systems are compatible with existing grid infrastructure and our wireless communication network is compliant with emerging smart grid standards and technologies. The NextStep Electric System addresses and mitigates line loss, monitors existing conditions of the utility grid, and incorporates both renewable Solar Energy and Reactive Power production and technology. NextStep Electric's peel-and-stick systems are operating on utility poles in the field and provide unsurpassed value for utilities. The system mounts directly on utility poles and connects directly to the existing utility grid. NextStep website >>

Siemens recognizes that smart grid doesn't just mean smart meters. It’s about the big picture of improved energy delivery, informed consumption and reduced environmental impact. Siemens is the only company that offers a complete spectrum of products, solutions and services for the protection, automation, planning, monitoring and diagnosis of grid infrastructure, including products, complete solutions and services for rail electrification. Siemens website >>

In case you missed them…

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Part 1: Ambri, Comverge, FirstFuel, S&C Electric, Trilliant, Watt Intelligent Solutions  

Part 2: Awesense Wireless, Echelon, GELI, IUS Technologies, Power Analytics, Sensus