Building Energy Articles

  • CHP Sizing: why Goldilocks style guesswork isn`t enough

    In storyworld, Goldilocks would stroll into the plant room and state "this CHP's too big", "this CHP's too small", "ahh ... this CHP is just right" – happy ever after. The end. But in the real word, the tricky issue of CHP sizing isn't quite so straightforward. This can be a tough lesson for some ...


    By ENER-G

  • ComEd Energy Efficiency Program - Case Study

    311 South Wacker Drive Project Summary The illuminated crown at the top of 311 South Wacker is prominently featured in the Chicago night skyline. The 1.3 million square-foot Class A commercial office building was built in 1990 and acquired by Zeller Realty Group in 2014.The new owner significantly upgraded the infrastructure and amenities to provide an ...


    By Cypress Envirosystems

  • Case study - Building energy generation & usage

    A Scottish council looking to make financial savings due to recent budget cuts needed to make decisions on whether renewable energy could improve the efficiency of their existing buildings. They wanted a time saving system that would allow them to get instant live data whenever they needed it and which would store the data in an easy to read format so that they didn’t have to spend ...


    By Logic Energy Ltd.

  • A robust data logger provided key temperature information during trials of the Solar Team Great Britain vehicle

    Trials in Australia of the Team’s entry for the Bridgestone World Solar Challenge included using a Tinytag data logger to provide valuable performance data with regard to temperature fluctuations, to help optimise the vehicle design. Solar Team Great Britain is building a solar-powered car to compete in the Bridgestone World Solar Challenge in October 2017. Racing across Australia from ...


    By Gemini Data Loggers Ltd

  • Solar Plus Energy Storage - A guide to maximizing production and profit with a DC converter

    Traditional storage plus solar (PV) applications have involved the coupling of independent storage and PV inverters at an AC bus, or alternatively the use of multi-input hybrid inverters. Here we will examine how a new cost-effective approach of coupling energy storage to existing PV arrays with a DC-to-DC converter can help maximize production and profi ts for existing and new utility-scale ...


    By Dynapower Company, LLC.

  • Saving 75% energy with MagFan - Case Study

    Investing for the future PT Japfa Comfeed Indonesia, one of Southeast Asia’s leading and most progressive integrators, decided to invest in MagFan for their new PS breeder farm in Central Java, Indonesia. The testing “The Danes told us a lot about the energy efficiency of these fans but we told them we wanted to test for ourselves before ...


    By DACS A/S

  • What does it take to run large wattage lights on solar?

    What Does It Take to Run Large Wattage Lights on Solar? Sometimes, people have unrealistic expectations when it comes to capabilities of solar panel systems. The reality is, if you want to run large, industrial lights using natural sunlight, you need massive panels and batteries that can support such equipment. ...


    By Larson Electronics LLC

  • Renewable energy in Europe 2017: recent growth and knock-on effects

    Addressing climate change requires a globally coordinated, long-term response across all economic sectors. The 2015 Paris Agreement provides the framework for limiting global warming to less than 2 degrees Celsius above pre-industrial levels and for pursuing efforts to limit it to 1.5 degrees Celsius. Early in this process, the European Union has adopted ambitious and binding climate and energy ...

  • Why Solar Panels Are Grossly Inefficient (But Sometimes the Only Choice)

    Solar energy is an unlimited power source that, in some ways, is very inefficient. At the moment, developments in photovoltaic (PV) technology cannot meet the expectations of mainstream consumers and commercial establishments. However, this does not mean that solar generators are useless. They play a very crucial role in delivering power to far-flung locations, temporary camps and remote bases. ...


    By Larson Electronics LLC

  • Building Energy Modeling 101: HVAC Design and Operation Use Case

    A great deal of energy use in buildings goes toward heating, ventilation, and air-conditioning (HVAC). In 2015, HVAC consumed 15.5 quads. The first step in reducing HVAC energy use is reducing heating and cooling load—i.e., the amount of heat that needs to be added to or removed from a building—typically by reducing heat from equipment and lighting; minimizing unnecessary ...


    By US Department of Energy

  • Integrating Solar Lights with Motion Sensors

    Solar powered motion sensor lights are effective security accessories for remote locations that experience sufficient amounts of sunlight throughout the day. The units offer seamless installation, require minimal maintenance and remain operational without electrical support. Locations without dependable access to the grid may find solar security lights useful in maintaining illumination at night. ...


    By Larson Electronics LLC

  • Sustainability isn’t for later. 10 ways any business can build a more credible sustainability story

    Sustainability isn’t a priority right now. We need a full sustainability strategy before we can start. I need to calculate what the ROI would be first. All of these are common objections to taking the first steps on any organization’s sustainability journey. In fact, credible sustainable action can be accomplished by organizations of any size and it doesn’t have to be costly or ...


    By Bullfrog Power Inc.

  • Case study - Glass Roof

    Glass roof - Donnington Park Hotel System kWp: 7.68 Area: 86 m2 Inverter: Fronius IG Plus 60V-1 Modules Used: PS-CT-64 20% transparent Polysolar helped design a fully integrated transparent PV roof on a new build garage in Leicestershire using our new PS-CT 20% transparent panels and GB-SOL RIS system. Objective: Provide a fully integrated transparent solar PV roof ...


    By Polysolar Limited

  • Case study - Transparent Solar Bus Shelter

    London - Canary Wharf System kWp: 2.8 kWp Area: 36 m2 Inverter: Solis mini 1000 Modules Used: PS-CT-64/48 In collaborating with Marshalls and the Canary Wharf Group, Polysolar designed an innovative new, transparent solar bus shelter at Canary Wharf. The solar PV is integrated within the structure which not only provides shelter from the elements but is also expected to generate ...


    By Polysolar Limited

  • Top five reasons why monitoring the CO2 concentration is a great idea

    CO2 has been a very hot topic for a few years now mainly due to its relation to climate change and also government policy. Leaving this aside, controlling and monitoring indoor levels of carbon dioxide inside building is important for everyone to consider for safety, health and even energy efficiency. Here are 5 reasons why you should by all means measure the CO2 levels in your space. ...

  • Should energy managers worry about energy data security?

    Ah, 2016 – the year of fake news, celebrity deaths and cyber attacks, namely to the electricity grids of several countries. The biggest story came out of the United States, where the Washington Post (falsely)  ...


    By DEXMA

  • How to Choose the Right Energy Management Software [GUIDE]

    Happy New Year! Wait, what’s wrong? Not so happy? In trouble trying to choose the right energy management software for your project? Oh no! We can just picture the scene: your desk is piled high with brochures, quotes and provider offers… and the clock is ticking. Yours is the classic energy manager dilemma: the longer ...


    By DEXMA

  • DAF Retrofitting with GEM LSGM Technology - Case Study

    Introduction Clean Water Technology, Inc. (CWT) is the creator of the Gas Energy Mixing (GEM) System - the most advanced primary treatment system on the market. As an alternative to replacing existing Dissolved Air Flotation (DAF), CWT introduces “DAF RETROFITS” utilizing innovative GEM Technology to provide superior reduction of total suspended solids (TSS), biological and ...


    By Clean Water Technology, Inc.

  • How To Put Your Building on a Water Diet in 2017

    As you prepare for the new year, why not commit your building to the same resolution as millions of American men and women: a diet! Every year, millions of gallons of water, one of our most precious resources, is wasted through undetected leaks, over irrigation and faulty equipment. Since most building managers and owners only check usage when the bill comes, your water usage is likely to ...


    By WaterSignal

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