{"id":84991,"date":"2018-07-24T12:40:39","date_gmt":"2018-07-24T10:40:39","guid":{"rendered":"http:\/\/www.sma-sunny.com\/?p=84991"},"modified":"2018-07-24T14:01:26","modified_gmt":"2018-07-24T12:01:26","slug":"integrating-energy-and-saving-operational-costs-with-ennexos","status":"publish","type":"post","link":"https:\/\/www.sma-sunny.com\/en\/integrating-energy-and-saving-operational-costs-with-ennexos\/","title":{"rendered":"Integrating energy and saving operational costs with ennexOS"},"content":{"rendered":"

When it comes to combining ecology and economy, the H\u00e4de family from Alheim-Heinebach, Germany, likes to be at the cutting edge of development. The first PV system was installed on the poultry farm in 2001. Now the family-run business will be a trailblazer in digital energy supply with SMA\u2019s IoT platform for energy management ennexOS.<\/strong><\/p>\n

\u201cWe were considered really exotic when we installed our first small PV system almost twenty years ago,\u201d said Leonhard H\u00e4de\u2019s son Fabian, remembering the farm\u2019s beginnings in producing its own green electricity. Over the years that followed, the family-run farm started the award-winning project \u201cSunny Egg\u201d and installed large PV systems not only on the roof of the new henhouse, but also in the chicken yards where the laying hens now peck around in the ground beneath PV tracking systems. \u201cThe five PV systems on the farm generated a total of nearly two million kilowatt hours of electricity in 2017,\u201d said Fabian H\u00e4de proudly. To save on energy costs and reduce the farm\u2019s CO2<\/sub> emissions, the H\u00e4des use the electricity generated by the most recent PV system (with an output of 250 kilowatts) for self-consumption. The green pioneers do not compromise when it comes to heat either. The farm has two CHP plants, which are fed from a nearby biogas plant.<\/p>\n

Energy management saves on electricity costs<\/h2>\n

In the opinion of Folke Mitzlaff, Product Manager Residential and Commercial at SMA, the farm has the ideal conditions. When he talked about his first visit to the H\u00e4des\u2019 farm, the electrical engineer\u2019s eyes lighted up: \u201cHeating for breeding young hens, cooling in the storehouse, ventilation in the chicken coops, electrical feeding machines, lighting\u2014you can see at first glance that energy plays a crucial role on the poultry farm. A lot can be achieved in a place like this with\u00a0a comprehensive energy audit<\/a> and energy management. Leonhard and Fabian H\u00e4de were also open-minded when Markus Frommann from our partner Kirchner Solar Group and I explained how they could use their energy even more efficiently and save a considerable amount of money on their electricity costs.\u201d<\/p>\n

Shortly after, it was all arranged for the poultry farm to take part in a pilot project for the introduction of SMA\u2019s new IoT platform for energy management ennexOS<\/a>. \u201cThe most environmentally friendly and cost-efficient energy is energy that does not have to be produced and used in the first place. And it was also clear to us that we could increase energy efficiency by managing and connecting the various energy consumers we have,\u201d underscored Fabian H\u00e4de. \u201cThe best case scenario is that we could also use the energy audit to show our customers that we generate a negative CO2<\/sub> balance for each egg we produce, meaning that we generate more clean electricity than we need for production. That would be great.\u201d<\/p>\n

Working with Frommann and a certified energy auditor, Mitzlaff set about making a record of all energy producers and consumers on the farm, which is hard work. For a qualified audit, at least 90% of the overall energy demand must be explained, so the experts visited the farm twice to examine every inch of it.<\/p>\n

They then installed a monitoring system based on ennexOS\u2014a real first for all those involved in the project, meaning there were a few technical obstacles to overcome. \u201cYou need to have a very precise knowledge of the current paths on the site to record all the energy flows across the different sectors of electricity, heating, ventilation and cooling,\u201d said Mitzlaff. The long-standing good working relationship between the H\u00e4de family and the Kirchner Solar Group is paying off in this regard. \u201cWe planned and installed all the PV systems on the farm, which means we have a precise picture of the electricity supply,\u201d explained Frommann.<\/p>\n

The ennexOS monitoring system allows the H\u00e4des to see exactly how much energy is being produced and consumed on their farm as well as when and where. By analyzing the consumption data, Mitzlaff is already able to give them some initial recommendations for more efficient energy use. One thing that stands out is that a lot of power is being consumed in a short time when the electrical feeding equipment in all the coops starts up at the same time. \u201cOperating the machines with a slight time delay will reduce the peak load. This measure alone will allow us to save up to \u20ac1,000 a year on our electricity costs,\u201d said Fabian H\u00e4de.<\/p>\n

\"\"

With ennexOS, all energy flows on the farm can be monitored, analyzed and managed at all times. Surplus solar power is sold directly as part of the digital energy trading system.<\/p><\/div>\n

With the energy audit in full swing, Mitzlaff and his team are already planning the next step: directly marketing the share of electricity from the self-consumption system that is not being used on the farm. SMA co-developed the new SMA SPOT solution with the electric utility company MVV Energie AG for this purpose. It functions without the additional technology and complicated processes that were previously required. \u201cWe can technically connect PV systems to the digital energy trading system via ennexOS,\u201d explained Mitzlaff. \u201cUsing coordinated interfaces and automated processes, MVV will then take on all processing for integration into the electricity market.\u201c<\/p>\n

However, before the direct marketing process can begin, Mitzlaff still has some sleepless nights ahead. \u201cJust before Christmas, we actually thought that everything had been clarified and set up so that direct marketing could begin as planned on January 1, 2018,\u201d he recalled. \u201cBut when I checked my e-mails after the holidays, I got quite a shock. The grid operator saw problems with the system\u2019s compulsory remote control and refused to connect us.\u201d Mitzlaff pulled out all the stops, making calls, writing e-mails and calling colleagues back from their Christmas vacations. And he succeeded at the last minute. Since the start of the year, the H\u00e4de family has been selling their surplus solar power directly to the power exchange.<\/p>\n

Storage systems increase flexibility<\/h2>\n

Folke Mitzlaff, Markus Frommann and Fabian H\u00e4de are already thinking further ahead. Based on the energy monitoring results, electrical appliances, heating, ventilation and cooling systems on the farm are going to be connected via ennexOS and managed automatically. By this integrated energy<\/a> on a local level, maximum energy efficiency and cost savings can be achieved on the farm.<\/p>\n

The H\u00e4de family is also going to install a large battery-storage system on the farm to avoid peak loads and further increase their self-consumption of solar power. The energy monitoring results are also being used to optimize the storage system design. Once the necessary regulatory conditions are in place, in the future, the H\u00e4des will also be able to play an active role in the energy market with the battery-storage system via ennexOS to provide grid services for balancing supply and demand in the utility grid.<\/p>\n

This is the digital future of the energy supply\u2014and it has most definitely already begun on the H\u00e4de poultry farm in Alheim-Heinebach.<\/p>\n

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When it comes to combining ecology and economy, the H\u00e4de family from Alheim-Heinebach, Germany, likes to be at the cutting edge of development. The first PV system was installed on the poultry farm in 2001. Now the family-run business will be a trailblazer in digital energy supply with SMA\u2019s IoT platform for energy management ennexOS.<\/p>\n","protected":false},"author":11,"featured_media":85007,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,58],"tags":[961,960,956,883],"class_list":["post-84991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company","category-solutions","tag-direct-marketing","tag-energy-monitoring","tag-integrated-energy","tag-references-en-2"],"acf":[],"yoast_head":"\nIntegrating energy and saving operational costs with ennexOS - Sunny. 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