Open District Heating -Traditional consumers turn into suppliers_stockholm exergi

1. Open District Heating - Traditional consumers turn into suppliers Martin Brolin Stockholm Exergi 30. January.2019

2. INTRODUCTION STOCKHOLM EXERGI ▪ Stockholm Exergi (SE) produces district heating, district cooling and electricity. Approx 700 employees ▪ The company has 10,000+ district heating and cooling customers in Stockholm which provides heat to over 800,000 citizens ▪ SE’s network comprises 2,800 km of district heating pipelines and 250 km of district cooling pipelines. The cooling network are the second largest in the world ▪ Stockholm Exergi is equally owned by Fortum and the City of Stockholm ▪ Supply of district heating in the greater metropolitan area is approx. 9 TWh p.a. corresponding to 70% of total demand ▪ District heating in Stockholm will be entirely produced from renewable or recovered energy no later than 2030 Stockholm Exergis newest plant KVV8

3. AGENDA Stake- holders What is ODH? KPIs Business Model

4. WHAT IS OPEN DISTRICT HEATING? ▪ Open District Heating enables customer to gain revenue on its excess heat that otherwise would drive cost to get rid of ▪ ODH was launched to market 2014 and have 23 customers today, 2017 was the partnership Stockholm Data Park launched and its focus is to establish data centres in the Stockholm area ▪ During 2018 a total amount of 113 GWh heat was recovered, corresponding heating of 31 000 apartments p.a. ▪ Ongoing installation can add almost another 100 GWh of heat p.a., this corresponds to approx. 3 % of Stockholms total need of district heating ▪ During 2017 two solutions was implemented within Grow Smarter, supermarket Hemköp in Farsta and data centre GleSYS in Västberga An illustration of Open District Heating used together with an urban farming placed in the basement of an industrial building

5. USING HEAT RECOVERY IN SWEDEN ALLOWS OPEN DISTRICT HEATING SUPPLIERS TO BECOME NET CLIMATE POSITIVE

7. TODAY’S PARTNERSHIP WITH SUB-CONTRACTORS WORKS GOOD AND NO MAJOR CHANGES IS REQUIRED ▪ The implementation of the ODH solution requires a number of third part sub-contractor to make the installation successful ▪ After installation the operating and measuring phase is also depending on Stockholm Exergi, the supplier of the measuring equipment and the ODH supplier ▪ The today’s setup with sub-contractors works smoothly and no further changes is required

9. TECHNICAL EVALUATION IS MAINLY BASED ON ELECTRICITY USED AND DELIVERED HEAT KPIs used when evaluation the implementation: ▪ Cooling demand (ODH supplier data) ▪ Electricity demand before and after implementation (ODH supplier data) ▪ Delivered heat and temperature (Stockholm Exergi data) ▪ Performance and COP data before and after implementation (ODH supplier data) ▪ Total energy demand and carbon footprint

11. WITH OPEN DISTRICT HEATING THE ODH SUPPLIER GAIN REVENUES ON ITS EXCESS HEAT Stockholm Exergi purchase heat from customers with excess heat in its business The excess heat is exported into the district heating network and used to heat up the City of Stockholm Customers gain improved OPEX due to added income and environmental profile due to created value with the heat that otherwise would drive cost to get rid of Stockholm Exergi enables to replace more costly and less environmental friendly production e.g. coal with waste heat For a large-scale implementation of heat recovery into the district heating network Stockholm Exergi gains other values such as avoided peak production, capacity investments and reduced operation and maintenance costs thanks to third party ownership of the production asset The business model has proven to be economical viable An illustration of Open District Heating used togheter with a data centre

Open District Heating -Traditional consumers turn into suppliers_stockholm exergi

Open District Heating -Traditional consumers turn into suppliers_stockholm exergi

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