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  Delta celebrates opening of Green European HQ
Delta has opened its newly renovated headquarters in the Netherlands. Delta’s history in Europe dates back to 1987, when it first established a European office in Switzerland. Over the last 30 years, much has changed — and not just with power technology. Today, designing a new office building is no longer simply a matter of planning the necessary floor space and staying on budget. Other factors such as sustainable construction practices and a building’s climate footprint are now major considerations.

Power and energy efficiency expertise
A large part of the world’s energy is used to heat and light buildings, including commercial structures such as Delta’s newly completed European headquarters in the Netherlands. Consequently, buildings must become vastly more efficient if the world’s climate targets are to be met. One of Delta’s core values is increasing energy efficiency - it’s a philosophy that has resulted in 20.8 billion kWh of energy savings for our customers over the years. And as power and green energy specialists, we know exactly what it takes to make buildings more efficient and comfort while providing ideal working conditions for employees.

Ambitious goals founded on Delta buildings track record
Delta has employed its expertise in numerous green construction and renovation projects. Between 2006 and 2017, we established 24 green buildings for a total savings of 10,027 tons of CO2 emissions. Our European Headquarters was yet another opportunity to showcase Delta products and expertise by dramatically reducing the power consumption and environmental impact of a commercial property. In addition to these past achievements, we’ve also set ambitious goals for the future. By 2020, the entire Delta Group has pledged to reduce the energy consumption of its factories, datacenters and offices.

Strong business spurs renovation project
Before acquiring and renovating the facility, Delta had previously rented space in the building. Soon however, the company’s strong growth meant it required more room. Many businesses facing a similar situation would simply construct a new building, which is an easier way to meet energy efficiency targets. When the energy involved in producing all new construction materials is weighed against the benefits of renovating an existing building, however, renovation that brings an old building up to modern efficiency standards can mean a lower total environmental impact. Consequently, Delta purchased and renovated the facility it had been renting space in instead of erecting a new office building.

Energy savings through high-tech solutions
In renovating its headquarters, Delta made use of numerous energy solutions and technologies to enhance energy efficiency. Naturally, the project relied heavily on Delta’s own solutions. As a result, the newly renovated headquarters has earned an energy label of ‘A’ as well as a Very Good (***) BREEM rating. This recognition was granted due to a number of factors. First, the building’s energy consumption has been reduced by installing LED lighting on all three stories. On the power supply side of the equation, 58 kWh of solar photovoltaic panels were installed on the roof as a renewable energy source. In combination with Delta power converters, efficiencies of up to 98.6% are possible. To ensure that renewable power is also available outside of peak solar power generation times, a 100 kW power conversion system (PCS) and 48 kWh battery electric storage systems (BESS) were integrated into the building’s power systems.

When the sun is shining, the PCS ensures that the solar energy is used either to supply the building’s electricity needs directly or, if there is excess energy, charge the batteries in the BESS. This way, when the BESS has been charged, renewable solar power can still be used to supply the building with electricity even if the sun is no longer shining. In this manner, The PCS handles bi-directional conversion between the PV inverters, the battery system, and the power grid as well. During heavy loads, the BESS can thus supply peak power or act as backup power in the event of a grid failure. On very sunny days, the building does not need to draw any power at all from the grid, resulting in a large cost savings.

Extending efficiency beyond the corporate campus
Delta’s focus on energy efficiency doesn’t stop at the company headquarters’ gates. In addition to the improvements in the building’s efficiency, employees have also been given the ability to charge electric vehicles with green electricity in the parking lot while they work. In this way, Delta is helping to reduce pollution and save energy on public roads. Eight wall-mount chargers turn parking spots next to the building into electric vehicle charging stations. In addition to the wall- mounted chargers, an ultra-fast 150 kW EV charging station is also available. It is able to charge 4 cars simultaneously. There are 2 DC chargers for fast-charging cars and 2 AC chargers. That’s faster than competing charging solutions. These capabilities were added in anticipation of the growth of electric cars in the future.

Building automation maximizes efficiency and comfort
A building management control system (BMCS) is an intelligent way to manage a building’s various systems. Delta’s BMCS at its new headquarters employs building automation technologies developed by Loytec, a company the Delta Group acquired last year. Unlike conventional scenarios involving multiple stand-alone systems for everything from heating, ventilation, and air conditioning (HVAC) to lighting and security, a BMCS combines all these functions under a single point of control. This makes it easier to coordinate and monitor them, enhancing comfort and efficiency. But not all building automation solutions share the same communication protocols. That’s why Delta and Loytec solutions rely on open standards and offer support for all major industry protocols, ensuring interoperability. The system’s cloud-enabled user interface also greatly simplifies facility operations.

Let there be light, but only when needed
In addition to the BMCS in use at the renovated Delta headquarters, Loytec technology is also a crucial solution of the building’s lighting systems. Take for instance the Loytec DALI system, a smart lighting platform. DALI measures ambient lighting conditions at the Delta building to enhance natural lighting with only as much artificial light as necessary while reducing lighting in spaces that are not currently occupied.
News Source: Delta EMEA
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