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Promethean Installs Thermal Energy Based Bulk Milk Coolers at Thirumala’s Collection Sites in TN

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Promethean Power Systems recently installed its patented energy-efficient bulk milk coolers at village-level collection centers run by Thirumala Milk Products (P) Ltd, a subsidiary of Groupe Lactalis S.A.

Promethean’s innovative bulk milk coolers will now help Thirumala Milk Products (P) Ltd. chill raw milk efficiently without diesel generators at village level collection centres in Thirumannamallai district of Tamil Nadu and bring quality dairy products to consumers.

Why Promethean’s Bulk Milk Coolers?

Thirumala was seeking a village-level milk cooling solution that would help procure and preserve high-quality milk while being both cost- and energy-efficient. The company chose Promethean’s bulk milk coolers over other products available on the market due to overall energy efficiency, low operational costs, and diesel-free eco-friendly operations.

Promethean’s patented thermal-energy storage technology entirely eliminates the use of diesel generators for power backup, resulting in a significant drop in chilling expenses, and operational and maintenance costs for Tirumala Milk Products.

The installation of the milk chillers, each with a cooling capacity of 2,000 liters per day, was marked by a festive inauguration ceremony.

In addition to the bulk milk coolers, Thirumala installed Promethean’s solar pack add-on to maximize energy efficiency, reduce its carbon footprint even further, and eliminate the need for batteries to run the lights, milk analyzer and other essential equipment in the centers.  A significant advantage of using the solar pack is that the milk tanker will be able to collect the milk even when there is no electricity available at the site.

A Snapshot of Thirumala Milk Products (P) Ltd

Thirumala Milk Products is one of the largest manufacturers and suppliers of dairy products in Andhra Pradesh, Karnataka, and Tamil Nadu. Tirumala was founded in 1996 and was acquired by French dairy giant, Groupe Lactalis S.A., in 2014. The company is focused on producing high-quality milk products with an emphasis on freshness, taste, and healthiness at the best possible price. The company produces a range of assorted products including fresh milk, curd, flavored milk, lassi, buttermilk, ghee, UHT milk, ice-cream, and paneer. These are produced at nine state-of-the-art manufacturing plants spread across southern India. Tirumala has also built a strong presence in Telangana, Kerala, Madhya Pradesh, Uttar Pradesh, and West Bengal.

Have questions or comments? Please send them over to info@promethean-power.com.

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Bulk milk coolers: A cool way to chill for dairies and farmers

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Garima Rakesh Mishra | The Indian Express
February 23,

The near-quadrupling of milk procurement by dairy cooperatives in Gujarat over the last 15 years — from an average of 45 lakh litres to about 170 lakh litres per day — has been attributed no less to a single factor: 24-hour power in rural areas, including guaranteed three-phase supply for eight hours, enabling village-level societies to install bulk milk coolers (BMC). These, with capacities ranging from 1,000 to 10,000 litres, chill the milk to around 4 degrees celsius at the primary collection point itself, inhibiting microbial growth that can lead to undesirable quality/taste changes and expedite spoilage. 

But maintaining the freshness of raw milk sourced from farmers isn’t all that the BMCs have done.

In the pre-BMC era, the milk collected by the society had to reach the dairy plant by 8:30 am or so, before day temperatures rose. It required procurement to start by 6 am and farmers undertaking milking at least an hour earlier, so as to not miss the tanker. The sheer need to hurry through the process, moreover, limited the number of animals that could be milked. With BMCs, the milk was chilled at source and remained fresh, which gave farmers the flexibility to deliver even at 9 am. They could now afford to expand their herd size and supply more milk.

Today, an estimated 80 per cent of milk collected by Gujarat’s dairy unions comes through BMCs and it is not difficult to see the link between these and higher procurement volumes.

Not every state, unfortunately though, is Gujarat — where farmers have assured electricity supply allowing milk to be chilled not very long after it has left the udders of cows or buffaloes. In much of rural India, power supply is irregular, which means even BMCs cannot do without the backup of diesel generators.

This is where an innovation by Promethean Power Systems, a Pune-based company founded by two men from Boston has made a difference. In 2011, Sorin Grama and Sam White built the final prototype of a Rapid Milk Chiller (RMC) based on a proprietary Thermal Storage System (TSS) technology. At the heart of it lay a thermal battery, which drew and stored electricity from the grid as and when available. This stored energy it then released to rapidly chill the milk collected from farmers at ambient temperatures — say, 35 degrees — to 4 degrees Celsius.

Read the full article.

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How Promethean Power Systems is revitalizing dairy farming industry

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Sneha Jha | Economic Times CIO
February 01, 2017, 11:55 IST

Khanderao Nimbhorkar, a 45-year-old dairy farmer from Ahmednagar district’s Hattalkhindi village, is brimming with confidence and excitement. His dairy farming activities now fetch him a tidy sum of Rs 20,000 per month. Coming this far would not have been possible for Nimbhorkar without the help of Pune-based refrigeration solution provider Promethean Power systems. Co-founded by Boston-based entrepreneurs Sorin Grama and Sam White, the company has come up with a socially-relevant invention to strengthen the weakest link in the chain of dairy farming: milk collection.

As the largest milk producer and consumer in the world, India has earned the sobriquet of the oyster of the global dairy industry. It accounts for 18 percent of global milk production in the world. Rural India churns out 102 million gallons of milk every year, generating employment for over 75 million dairy farmers.

Read the full story here. 

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Eventual sweet taste of success

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Anjuli Bhargava | Business Standard
January 30, 2017

In life, it’s easier to fail than to succeed. Romania-born Sorin Grama and US-born Sam White learnt this the hard way in India. The two are co-founders of Promethean Power Systems, a company they set up in India some years earlier, moved base to Delhi for a while to sell their idea and, after having tasted many failures, seem to finally be on the way to achieving a degree of success. In 2007, the duo first came to India to try and sell a technology developed by some of their fellow MIT students. 

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