{"id":3755,"date":"2023-10-19T14:11:43","date_gmt":"2023-10-19T14:11:43","guid":{"rendered":"https:\/\/broadusa.com\/broad\/?post_type=avada_portfolio&p=3755"},"modified":"2023-10-20T19:17:01","modified_gmt":"2023-10-20T19:17:01","slug":"medimmune","status":"publish","type":"avada_portfolio","link":"https:\/\/broadusa.com\/broad\/portfolio-items\/medimmune\/","title":{"rendered":"MedImmune"},"content":{"rendered":"

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Project Background<\/h2>\n<\/div>
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MedImmune is the biologics and biotechnology research and development arm of the pharmaceutical and biopharmaceutical manufacturer, AstraZeneca. In 2007, Astra-Zeneca bought the company for a whopping $15.6 billion \u2014 one of the largest biotech deals of that decade.<\/p>\n

MedImmune has more than 150 product pipelines in Oncology, Cardiovascular, Renal and Metabolic, Respiratory and Immunology and other diseases.<\/p>\n

MedImmune employs over 3,500 employees in the D.C area with over $1.81 billion in revenue in 2017, making it the largest employer in the local industry, according to Washington Business Journal data. Its nine-story Gaithersburg headquarters comprises 1.27 million square feet.<\/p>\n

MedImmune\u2019s impact on Maryland\u2019s biotech corridor is arguably unparalleled, pioneering innovation and discovery locally with a robust alumni network embedded within the industry.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>

System Background<\/h2>\n<\/div>
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With a goal of reducing its carbon footprint, decreasing facility\u00a0 operational costs, increasing power reliability and increasing resiliency against outages, MedImmune deployed a CCHP system in its Gaithersburg campus.<\/p>\n

The system includes 2.5 megawatts of natural gas powered\u00a0 generation set, steam and hot water heat recovery heat exchangers and a 500-ton BROAD multi-energy absorption chiller. Also a paralleling switchgear was added to tie together\u00a0 two existing 3 megawatt diesel generators to the CCHP\u00a0 systems. This allows the MedImmune campus to respond\u00a0 quickly to an immediate outage, as well as sustain long-term\u00a0 generation during a prolonged outage event by transitioning to island mode Exhaust gas from the CCHP system feeds a heat recovery, steam generator (HRSG) boiler to produce steam. The absorption chiller uses this steam and jacket hot water to produce chilled water, maximizing the year-round CCHP energy efficiency and reducing carbon emissions. ISO50001<\/p>\n

In 2014, MedImmune Gaithersburg campus qualified for a Silver Superior Energy Performance (SEP) award, a certification for industrial facilities based on ISO50001\u2019s global energy management system standards.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>

Project Value<\/h2>\n<\/div>
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The BROAD multi-energy chiller realizes the step-by-step utilization of waste heat, achieving a comprehensive energy efficiency of approximately 83%, saving nearly 3,500 MWh per year electricity consumption for cooling. The natural gas backup of absorption chiller ensures the redundancy and consistency in the chilled water loop, thus when the generator is intelligently switched off based on the control system\u2019s analysis, the absorption chiller can smoothly change to direct-fired mode to ensure stable operation.<\/p>\n

The BROAD absorption chiller is able to meet 80~100% of the building\u2019s cooling requirement, allowing the electric chillers to be turned off at the current stage. Compared to the central station power plant, annual energy savings from the CCHP system: 11,428 MMBtu of fuel*. System annual greenhouse gas emissions reduction: 1,837 metric tons of carbon dioxide equivalents, which is equivalent to carbon sequestered by 30,310 trees grown for 10 years*.<\/p>\n

System simple payback period: 4.5 years.<\/p>\n<\/div>

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Equipment Information<\/h3>\n<\/div>
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Generator<\/strong><\/h4>\n<\/div>
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Model:<\/strong> CAT G3516H
\nFuel Type:<\/strong> Natural Gas
\nMaximum Continuous Rating:<\/strong> 2,027 kW
\nMaximum Electrical Efficiency:<\/strong> 44.7%<\/p>\n<\/div>

BROAD Absorption Chiller<\/strong><\/h4>\n<\/div>
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Model:<\/strong> Multi-energy BHS250
\nCooling Capacity:<\/strong> 500 RT
\nHeat Source:<\/strong> Engine jacket water & Steam from Heat Recovery Steam Generator<\/p>\n<\/div><\/div><\/div><\/div><\/div>

Project Gallery<\/h4>\n<\/div>
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