Energy efficiency of Russian and Statsministerbesøk ved Høgskolen i Narvik 23. august Norwegian residential buildings Comparative study Researcher Olga Zakharova Sustainable Buildings for the High North Department of Building and Energy Narvik University College, Norway
Agenda In parts of northern Norway and Russia Building inventory. Energy consumption. Technical requirements for the buildings energy performance criteria.
The most common building type Norway Detached house Russia Apartment block
Building inventory Norway Russia Area per capita 53.4 m 2 Norway total 25.9 m 2 Arkhangelsk region 24.5 m 2 Murmansk region
Energy consumption in Norway Composition of energy consumption in households
Energy consumption in Russia Energy use accounts for a large percentage of the Russian economy. District heating takes about 71 percent of the entire Russian energy supply.
Comparison of energy consumption Norway Russia Average energy consumption in residential buildings 160-180 kwh/m 2 350-380 kwh/m 2 year only for heating
Legislation in Norway Main normative documents of existing legislation: Technical regulations: TEK10 - Regulation on technical requirements for buildings construction. - Requirements. Calculation standard: NS3031 «Calculation of energy performance of buildings». - calculation method description (monthly, simplified dynamic or dynamic). - standardized input data for some characteristics (climate, internal load, etc).
Legislation in Russia The Federal Law 261 On energy saving. Thermal protection of buildings. Heating, ventilation and air conditioning.
Norwegian Requirements, TEK10 1. Energy measures A set of energy characteristics must be fulfilled. 2. Energy budgets / limit Total net energy demand shall not exceed the budgets. 3. Minimum requirements Requirements that must be fulfilled either 1. or 2. is used to fulfil the regulation. 4. Energy supply requirements Limitations regarding direct electric heating and fossil fuels.
Requirements in Norway Energy measures Outer wall Roof U-value, [W/m 2 K] Floor to ground and unheated spaces Windows and doors included frame Air tightness, air change per hour at 50 Pa pressure difference 0.18 0.13 0.15 1.2 2.5 (dwellings) 1.5 (other)
Requirements in Norway Minimum requirements Outer wall Roof U-value, [W/m 2 K] Floor to ground and unheated spaces Windows and doors included frame Air tightness, air change per hour at 50 Pa pressure difference 0.22 0.18 0.18 1.6 3.0
Requirements in Russia Energy measures Building category Residential building Degree days, o C days 6000 Outer wall Roof U-value, [W/m 2o C] Floor to ground and unheated spaces Window and door included frame 0.29 0.22 0.19 1.7
Comparison of requirements Energy measures U-value, [W/m 2 K] Country Norway Energy measures Outer wall Roof Floor to ground and unheated spaces Windows and doors included frame 0.18 0.13 0.15 1.2 Minimum 0.22 0.18 0.18 1.6 Russia Energy measures 0.29 0.22 0.19 1.7
Requirements Energy budgets / limit Norway building category. heated available area (only for small house). Russia building category. number of floors. heated available area (only for small house).
Comparison of requirements Energy budgets / limit Building category Apartment building Number of floors Heated available area, m 2 Overall energy limitation Norway 115 kwh/m 2 heated available area per year Russia 5 0.359 W/(m 3 o C) Russia 9 0.319 W/(m 3 o C) Small house Norway 120+1600/m 2 heated available area kwh/m 2 per year Russia 2 150 0.496 W/(m 3 o C)
Comparison of energy classification/ label Norway Russia All new buildings and buildings which will be sold or rented All Mandatory Classes Scale Municipal buildings for new and existing buildings separately Based on EU s directive A B C D E F G now A++ A+ A B+ B C+ C C- D E in development A B C D E F G Absolute Value Relative
Comparison of energy classification/ label Apartment building 9 floors flat 75 m 2 For Russia baseline is in development Country Energy supplied per m 2 heated available area A B C D E F G Norway (75m2) Russia (9 floors) 83.00 108.33 130.00 164.33 200.00 253.33 > F kwh/m 2 120.00 140.00 170.00 200 230.00 280.00 > F kwh/m 2 year
Summary Residences. Used area per capita. Energy supply: 78% Electricity in Norway. 71% District heating in Russia. Energy consumption. Calculations methods/parameters/units of measurement.
Suggested future work Common technical requirements for buildings construction in northern Russia and Norway. Based on EU s directive. Common calculations methods/parameters/units of measurement. Research of energy consumption for industrial buildings. Energy consumption per person. Indoor environment. Management, operation and maintenance of buildings. Market analysis.
Statsministerbesøk ved Høgskolen i Narvik 23. august Thank you for your attention!