IDP Library - Studlendas

Reference person: Javier Antolin (CARTIF)
Simulation report:

Reference building

Name: Studlendas
Location: Klaipeda (LT)

General data

Urban context: suburban
Climate: HD
Building: purpose-built
Year of construction: 2006
Year of retrofit: -
GLA before retrofit [m²]: 12637
GLA after retrofit [m²]: -
Shopping centre size: Small
Shopping centre sub-typology: neighbourhood/community
Food store format: supermarket
Food store vending area [m²]: 2610
Tenants vending area [m²]: 3667
Common areas and galleries [m²]: 1584
Nr of opening hours per day [h/d]: 12.0
Nr of opening days per week [d/w]: 6
Nr of closing days per year (because of holidays) [d/y]: -

Building features

Centre design: enclosed
Shape: 0.2
Orientation: SE/NW
Number of levels above ground: 2
Number of underground levels: 0.0
Parking location: external area
Number of parking levels: 1
Biologically active area [%]: 0%


Wall structure: masonry
Wall insulation location: interspace
Wall insulation material: mineral
Wall U-value [W/m²K]: 0.105
WWR - north [%]: 19
WWR - east [%]: 3
WWR - south [%]: 36
WWR - west [%]: 15
Windows U-value [W/m²K]: 1.06
Window glazing g-value [-]: 1
Basement/Floor structure: concrete slab
Basement/Floor insulation location: in
Basement/Floor insulation material: mineral
Basement/Floor thermal transmittance [W/m²K]: 0.484
Roof structure: plane - pre-fabricated
Roof insulation location: in
Roof insulation material: mineral
Roof U-value [W/m²K]: 0.183
Vehicle accessible roof covering [%]: 0
Green roof covering [%]: 0
ST roof covering [%]: 0
PV roof covering [%]: 0
SRR [%]: 0
Skylight U-value [W/m²K]: -
Skylight glazing g-value [-]: -

Technical room

Location: vending area level
BMS lighting [Y/N]: N
BMS natural ventilation [Y/N]: N
BMS refrigeration [Y/N]: N
BMS solar thermal system [Y/N]: N
BMS electric storage [Y/N]: N
Ventilation specific power [Wh/m³]: 0.45
Heat recovery thermal efficiency [%]: 55
SPF heating [-]: 0.90
SPF cooling [-]: 2.50

Common areas

Installed lighting power density [W/m²]: 23.7
Installed electric equipment power density [W/m²]: 0


Installed lighting power density [W/m²]: 36
Installed electric equipment power density [W/m²]: 10

Food store

Installed lighting power density [W/m²]: 36
Installed electric equipment power density [W/m²]: 10

Primary energy consumption

Lighting [kWh/m²-y]: 407
Refrigeration [kWh/m²-y]: 0
Plug loads [kWh/m²-y]: 82
HVAC [kWh/m²-y]: 41
Tot. primary energy [kWh/m²-y]: 530

Carbon emissions

Carbon emissions [tonCO2eq]: 1496


Envelope ineff.1: No shadings
Envelope ineff. 2: Inefficient insulation
Envelope ineff. 3:
Lighting ineff.1: Inefficient lamp technology and inefficient luminaires
Lighting ineff. 2: Lack of daylight entries
Lighting ineff. 3:
Refrigeration ineff. 1:
Refrigeration ineff. 2:
Refrigeration ineff. 3:
HVAC_general general ineff.:
HVAC_general general ineff.:
HVAC_heating heating ineff.:
HVAC_heating heating ineff.:
HVAC_cooling cooling ineff.:
HVAC_cooling cooling ineff.:
HVAC_ventilation ventilation ineff.:
HVAC_ventilation ventilation ineff.:

Retrofit solution set I

Solution set I ID: 10
Primary energy consumption [kWh/m²-y]: 271
Primary energy savings [%]: 50%
Carbon emissions tonCO2eq: 768
Carbon emission savings [%]: 48%
Investment cost [M€]: 0.47
Operational energy cost [k€/year]: 177
Pay-back time [years]: 5.7
Net Present Value [M€]: 0.991
Maintenance cost [k€/year]: 23

IDP Library