N0. 3 / 2015 INTERNATIONAL MAGAZINE ON DISTRICT HEATING AND COOLING SOLAR DISTRICT HEATING DBDH - direct access to district heating and cooling technology www.dbdh.dk CONTENTS 4 6 8 10 12 14 16 19 21 24 27 28 30 THE COLUMN ONE OF FOUR WINNER CASES OF THE 4TH GLOBAL DISTRICT ENERGY AWARD: PROPERTIES IN HELSINKI ACT AS GIANT SOLAR COLLECTORS GREEN ENERGY FOR SUN-RIPENED TOMATOES SOLID INVEST - THE SUCCESSFUL BUSINESS MODEL FOR CIVIC INVESTMENTS IN SOLAR THERMAL SY DISTRICT HEATING FROM A-Z RELY ON 50 YEARS OF EXPERIENCE IN ALL DISTRICT HEATING APPLICATIONS 16 CHP POWER PLANT SUB-STATION BOILER HOUSE CONSUMER CONNECTIONS MAIN PUMPS DISTRIBUTION PUMPS BOILER SHUNT PUMPS PLATE HEAT EXCHANGE FLOW FILTER PUMPS PRESSURE HOLDING SYSTEM LULL HEAT PUMPS P4 THE COLUMN By Lars Gullev, Managing Director VEKS, and Chairman of DBDH DISTRICT HEATING - A PRECONDITION FOR LARGE-SCALE SOLAR HEATING With increased focus on the reduction of the use of fossil fuels, In June 2015, the world's largest solar and storage pit opened such as natural gas, oil and Up to 35% lower pressure loss due to our patented Micro PlateTM technology. Ultra-efficient brazed heat exchangers for your district energy applications Brazed Micro PlateTM heat exchangers are a revolutionary technology from Danfoss. Characterized by their unique pattern, our innovative new plate P6 ONE OF FOUR WINNER CASES OF THE 4TH GLOBAL DISTRICT ENERGY AWARD: PROPERTIES IN HELSINKI ACT AS GIANT SOLAR COLLECTORS The district cooling system in Helsinki, Finland is the third largest in Europe, and it is expanding at the most rapid pace. Helsinki is the only city where almost all waste he P7 FACTS In Helsinki, district heating is mainly produced in energyefficient cogeneration where the heat produced in power generation is utilised as district heating. Eighty percent of Helens district cooling is produced with energy sources that would otherwise be unutilised. Energy storage is P8 Long rows of tomatoes and cucumbers prepared with pipework and fittings for an optimal heating environment FOCUS SOLAR DISTRICT HEATING Managing director Peter Krage with the spectacular Coeur de Boeuf tomatoes GREEN ENERGY FOR SUN-RIPENED TOMATOES By Knud Erik Nielsen, Sales Director, Arco P9 One might think that there would be enough solar heating for the plants, as they are grown in large greenhouses, but that is not quite the case. The nursery Østervang Sjælland has received grants for the solar project from the Danish Energy Agencys VE program with reference to Law on subsidies P10 FOCUS SOLAR DISTRICT HEATING Based on article from EuroHeat & Power ll/2015 By Nicole Olsacher, S.O.L.I.D. Gesellschaft für Solarinstallation und Design SOLID INVEST - THE SUCCESSFUL BUSINESS MODEL FOR CIVIC INVESTMENTS IN SOLAR THERMAL SYSTEMS Extension of the solar district heating plant P11 A milestone was the Esco project around a huge solar thermal plant at the UPC Arena in Graz 2002. The city s main energy provider Energie Graz GmbH & CoKG runs the local district heating system, but did not want to take investment risks of a new system, a huge solar thermal plant connected to t P12 FOCUS SOLAR DISTRICT HEATING By Anders Dyrelund, senior market manager Ramboll Energy, and Flemming Ulbjerg, chief consultant, Ramboll Energy LARGE-SCALE SOLAR HEATING - THE MOST COMMERCIAL RENEWABLE ENERGY SOURCE District heating is a precondition for cost-effective use of renewable energy P13 The mild climate and low temperature district heating correspond to Denmark. The cost of 22 €/MWh is much lower than the cost of heat from Danish gas boilers including taxes, and it is somewhat smaller than costs of heat from a biomass boiler. The economy-of-scale is very important for the cost P14 FOCUS SOLAR DISTRICT HEATING AARHUS ADDS NEW, HIGHLY ENERGY-EFFICIENT SOLAR ENERGY TO DISTRICT HEATING By AffaldVarme Aarhus The solar collector under construction at the Sabro straw-burning plant. Curved reflective surfaces track the sun across the sky AARHUS CITY COUNCIL'S DEPARTMENT OF W P15 Many energy consultants and customers at home and abroad have been asking to come and see our equipment in use. They will have plenty of opportunity to do so now, says Nielsen, and continues: We have particularly high expectations for our concentrated solar energy being able to make solar heat P16 The Thermal Storage/Water Reservoir ENERGY EFFICIENT PUMPING SOLUTIONS FOR SOLAR DISTRICT HEATING FOCUS By Henrik Ottesen, DESMI SOLAR DISTRICT HEATING DESMI Pumping Technology, headquartered in Aalborg, Denmark, has been deeply involved in manufacturing of pumps and pump solutions for dist P17 Layout drawing from Dronninglund Solar Thermal Plant. www.steelchimney.com From stack to boiler The fundamental idea of district heating is to have flexibility by means of a variety of heating sources in a distribution network, so probably solar heating plants will never be chosen as the onl P18 Currently, the solar heating plants in operation in Denmark are saving more than 50,000 tonnes of CO2 emission per year compared to conventional fossil fuels and soon the figure will reach 100,000 tonnes. A key component in solar district heating is obviously the solar panels, but energy effic P19 HEATING AND COOLING - AN IMPORTANT PART OF THE ENERGY UNION Birger Lauersen, Manager of International Affairs, The Danish District Heating Association There are many energy challenges these years. At European level, security of supply is on top of the agenda in light of the dependence on Russi P20 be realized without public funding to kick-start investments, but with the current economic situation, they are difficult to obtain in many countries. Nevertheless, the energy commissioner has stated that the commission is ready to lead cases against all member states that have not implemented P21 HEAT GETS SMART IN AARHUS By Kaj Leonhart Petersen, M.Sc.Eng., senior energy planner and a partner in Danish consultancy EC Network At the end of 2014 the City of Aarhus, Denmark, signed the last contract with the meter supplier Kamstrup to complete the rolling-out of smart heat meters to 53,0 P22 A huge challenge is that utility companies are developing their own platforms rather than working together or using a platform that is already developed. Currently, it is only possible for private households to enter their consumption data manually, said Karina Svanborg, Energy Anthropologist a P23 What works in Aarhus, however, may not be immediately replicated in other cities. Erik Bender said: In Denmark there is a lot of confidence in the government and systems; people arent worried about data being measured on their homes. Culturally, this can work for Denmark because of that trust. P24 ONE OF FOUR WINNER CASES OF THE 4TH GLOBAL DISTRICT ENERGY AWARD: LODI DISTRICT HEATING SYSTEM The modernisation of the Lodi District Heating system demonstrates an integrated approach that has secured an all-round increase in system efficiency and reliability: Specifically, the integration of P25 Substations control The remote control system of substations was running from 2010, but it did not use the best of its potential until 2011, when new procedures for the operation of the substations were introduced. The new idea was to apply demand-side management techniques to control the heat P26 For these reasons, after the first rough estimates in 2012, a new programme of expansion was studied in 2013, which had entered the construction phase in 2014 - with the first part of the expansion of the network (north area) and the second in 2015 (new plants and south-east area). This new pr P27 NEW MEMBERS OF DBDH BELMAFLEX EMT NORDIC DIN FORSYNING At BelmaFlex, we produce and sell joints and fittings from the plastic material PEHD (polyethylene), first of all designed for joining pre-insulated piping systems. EMT Nordic Energy Management Software Technology With the customers a P28 MEMBER COMPANY PROFILE ENOPSOL It is an arduous process to convert research & development into a commercial success story, but Stig Niemi Sørensen has managed to bridge the gap between technology and business. A pioneer in Denmark within the field of aquifer thermal energy storage (ATES), Sti P29 With an eye on expanding its activities internationally, Enopsol saw an added advantage in joining DBDH: Enopsol went into district heating for 2-3 years ago and have grown an interest in getting to know district heating plants located abroad. We have joined DBDH because of the opportunities to P30 LIST OF MEMBERS Aaen Consulting Engineers Consulting engineers and planners Aalborg Engineering Supplier of boilers and boiler systems Aalborg Forsyning Municipal district heating supply ABB Monitoring and control for district heating networks Abratek Wear resistant solutions for power stat P31 FW Rørteknik Phone +45 7519 2277 fw@fw.dk www.fw.dk Statinary tanks Gentofte Fjernvarme Municipal district heating supply Gottlieb Paludan Architects Grontmij Consulting engineers and planners Grundfos HentechSolution ApS HOFOR Copenhagen Energy Hydro-X Boiler water treatment Høje Taa 70% Operating costs 30% Investment costs www.logstor.com Discover a lifetime of value When as much as 70% of the total cost of a District Energy pipe system goes into its operation, it is vital to make the best investment decisions right from the start. At LOGSTOR, we deliver value across the ent