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Link: http://energy.gov/eere/buildings/articles/laying-foundation-future-connected-buildings

Laying the Foundation for a Future of Connected Buildings

July 12, 2016 – 1:02pm

Interoperability benefits across the technical, institutional, and economic domains. Credit: The GridWise® Architecture Council Interoperability benefits across the technical, institutional, and economic domains. Credit: The GridWise® Architecture Council Interoperability benefits across the technical, institutional, and economic domains. Credit: The GridWise® Architecture Council Conceptual valuation method, as recommended by the Valuation of Transactive Systems report. Credit: Pacific Northwest National Laboratory Buildings Interoperability Framework

Joe Hagerman
Senior Policy Advisor, Building Technologies Office

THE BRIEF

• DOE’s Buildings-to-Grid Program is coordinating strategies and activities with stakeholders to integrate and optimize homes and commercial buildings with the nation’s energy grid amid a rapidly changing energy landscape.
• DOE recently published three reports, which touch upon (1) the current buildings interoperability landscape, (2) the significant opportunity that interoperability presents for the country, and policy options for ensuring a holistic approach, and (3) a framework for defining value within a connected, interoperable buildings-to-grid ecosystem.

What is interoperability?

Interoperability is the ability to exchange actionable information between two or more systems within a home or building, or across multiple buildings and the grid. If implemented on a national scale, its benefits could be enormous.

Advances in connected equipment and buildings are making a daily occurrence out of the once seemingly impossible: you say a command, your lights turn on; you look at your phone, it lets you know you’ve run out of milk; you walk in the door, the thermostat has already adjusted to your ideal temperature. These technologies are being used to make buildings more intelligent—giving people access to new information that makes their lives easier, and in some cases giving them benefits, like lower utility bills or improved comfort, without making them do any work at all. But what if our buildings could do more? What if they were both smart enough to “talk” to each other, and empowered to seek out and consummate beneficial opportunities to trade energy services?

A vision is emerging of a connected world in which building equipment and systems coordinate to efficiently meet owners’ and occupants’ needs, and where buildings regularly transact with other buildings in ways that benefit our entire energy system. Realizing this vision, however, will require a holistic approach to integrating new technologies into the grid—one that ensures that buildings and building systems and equipment can seamlessly share information and coordinate their activities through value-driven transactions.

INTEROPERABILITY—A GATEWAY TO THE FUTURE

Interoperability—the ability of two or more systems to exchange actionable information—is key to making this vision a reality. It requires that all systems involved in the transaction can reliably and securely exchange information, as well as understand what the exchanged information means.

Take this example: a building is generating excess electricity through its rooftop solar panels, while another is expecting an influx of people and needs more power to operate its air conditioning systems. If these buildings could talk, the second could transact with the first to obtain the energy it needs, the first could be compensated for the energy it produces, and the grid could profit by not having to bring a coal-fired power plant online to meet additional demand.

The technology needed to support the requisite equipment and system interactions has been demonstrated under various conditions, and DOE, partly through its Grid Modernization Lab Consortium, is further developing these technologies. Work remains, however, to develop and implement a communications and operations framework that can easily and affordably enable this highly complex level of coordination at scale, and between diverse building equipment and systems all across the grid.

THE STATE OF THE MARKET AND THE NATIONAL OPPORTUNITY

DOE’s Buildings Interoperability Landscape report provides an overview of existing government and industry efforts around interoperability, including existing and emerging state-of-the-art concepts for integrating connected equipment. It lays out the foundation of a shared vision for the future, highlighting potential goals and attributes to include in an upcoming interoperability roadmap. DOE intends to engage stakeholders from a variety of industries in developing this roadmap—aligning the community on a pathway to achieve our shared interoperability objectives.

In another report, The National Opportunity for Interoperability and its Benefits for a Reliable, Robust, and Future Grid Realized through Buildings, DOE expands on this topic, focusing on the massive benefits that interoperability can bring to the grid, the economy, and everyday people. It also gives policy options for government entities to support an interoperable future.

ASSIGNING VALUE TO TRANSACTIVE ENERGY

In a separate, related report, Valuation of Transactive Systems, DOE builds on the concept of interoperability by considering not only how to realize an interoperable future, but how to value the transactions that interoperability enables. Developing an appropriate valuation of building-to-building and building-to-grid transactions is critical for interoperability to succeed on a national scale: how can equipment or building systems know to exploit value opportunities if there is no clearly defined “value” for that response?

“It’s tricky to apply valuation to systems that use [transactive energy],” says Don Hammerstrom, a Pacific Northwest National Laboratory scientist and one of the report’s authors. “[Transactive systems] facilitate the exchange of value—they do not necessarily create new value streams.” The report begins to address this challenge by investigating an appropriate structure for economic incentives that can prioritize and guide the interactions of connected systems and equipment—a framework known as “transactive energy.”

PEERING INTO THE FUTURE

Just imagine some of the opportunities of a fully integrated, buildings-to-grid ecosystem—one that fully harnesses the growing connectivity of equipment and buildings:

• Buildings can serve as low-cost, energy storage options for the electric grid, helping to balance the peaks and valleys of electricity demand.
• Building owners, operators, and tenants can pursue new cash-flow opportunities from increased energy savings, efficiency gains, and transactive energy commerce.
  New markets can emerge for energy management technologies and services, contributing to economic development, job creation, and American technological leadership.
• Creating a common understanding of interoperability and transactive energy valuation will be critical to scaling not only energy efficiency technologies, but also our nation’s entire clean energy system.

The Internet of Things Is Far Bigger Than Anyone Realizes

The Internet of Things Is Far Bigger Than Anyone Realizes

WHEN PEOPLE TALK about “the next big thing,” they’re never thinking big enough. It’s not a lack of imagination; it’s a lack of observation. I’ve maintained that the future is always within sight, and you don’t need to imagine what’s already there.

Case in point: The buzz surrounding the Internet of Things.

What’s the buzz? The Internet of Things revolves around increased machine-to-machine communication; it’s built on cloud computing and networks of data-gathering sensors; it’s mobile, virtual, and instantaneous connection; and they say it’s going to make everything in our lives from streetlights to seaports “smart.”

But here’s what I mean when I say people don’t think big enough. So much of the chatter has been focused on machine-to-machine communication (M2M): devices talking to like devices. But a machine is an instrument, it’s a tool, it’s something that’s physically doing something. When we talk about making machines “smart,” we’re not referring strictly to M2M. We’re talking about sensors.

A sensor is not a machine. It doesn’t do anything in the same sense that a machine does. It measures, it evaluates; in short, it gathers data. The Internet of Things really comes together with the connection of sensors and machines. That is to say, the real value that the Internet of Things creates is at the intersection of gathering data and leveraging it. All the information gathered by all the sensors in the world isn’t worth very much if there isn’t an infrastructure in place to analyze it in real time.

Cloud-based applications are the key to using leveraged data. The Internet of Things doesn’t function without cloud-based applications to interpret and transmit the data coming from all these sensors. The cloud is what enables the apps to go to work for you anytime, anywhere.

Let’s look at one example. In 2007, a bridge collapsed in Minnesota, killing many people, because of steel plates that were inadequate to handle the bridge’s load. When we rebuild bridges, we can use smart cement: cement equipped with sensors to monitor stresses, cracks, and warpages. This is cement that alerts us to fix problems before they cause a catastrophe. And these technologies aren’t limited to the bridge’s structure.

If there’s ice on the bridge, the same sensors in the concrete will detect it and communicate the information via the wireless internet to your car. Once your car knows there’s a hazard ahead, it will instruct the driver to slow down, and if the driver doesn’t, then the car will slow down for him. This is just one of the ways that sensor-to-machine and machine-to-machine communication can take place. Sensors on the bridge connect to machines in the car: we turn information into action.

You might start to see the implications here. What can you achieve when a smart car and a smart city grid start talking to each other? We’re going to have traffic flow optimization, because instead of just having stoplights on fixed timers, we’ll have smart stoplights that can respond to changes in traffic flow. Traffic and street conditions will be communicated to drivers, rerouting them around areas that are congested, snowed-in, or tied up in construction.

So now we have sensors monitoring and tracking all sorts of data; we have cloud-based apps translating that data into useful intelligence and transmitting it to machines on the ground, enabling mobile, real-time responses. And thus bridges become smart bridges, and cars smart cars. And soon, we have smart cities, and….

Okay. What are the advantages here? What are the savings? What industries can this be applied to?

Here’s what I mean when I say people never think big enough. This isn’t just about money savings. It’s not about bridges, and it’s not about cities. This is a huge and fundamental shift. When we start making things intelligent, it’s going to be a major engine for creating new products and new services.

Of all the technology trends that are taking place right now, perhaps the biggest one is the Internet of Things; it’s the one that’s going to give us the most disruption as well as the most opportunity over the next five years. In my next post in this two-part series, we’ll explore just how big this is going to be.

Daniel Burrus is considered one of the world’s leading technology forecasters and innovation experts, and is the founder and CEO of Burrus Research. He is the author of six books including the New York Times best seller “Flash Foresight.”

Green sustainable materials and does not require skilled labor. Community involvement necessary for job creation.  See www.gigacrete.com.