APEX SOLAR Ltd is the leading Bulgarian company developing big projects in solar thermal and PV sector of renewables. Our specialisation includes:
- Manufacturing of selective flat-plate solar collectors: "FPS"
- Solar thermal and PV system design
- Marketing, management, consulting, training in Solar technologies
- Project Management and Contracting
2006-2007 Apex Solar Ltd. All rights reserved.
The hotel "IBEROSTAR - Sunny Travel Club" is situated in Black Sea resort "Sunny Beach". Hotel were built in 2005 and the solar system in 2006. The solar system (460 sqm2) is the biggest solar system in Bulgaria.
Building
Type of building Hotel
Number of beds 1500
Year of construction 2004/2005
Hot tap water consumption (measured/estimated) 60m3/d
System engineering
Year of construction of Solar System 2006
Type of collectors FPS collectors
Thermal power 305 kWtherm.
Aperture area of collectors*) 460 m2
Hot tap water storage 40 m3
Total capacity of boilers with energy source 800 kW, LPG
Type of hot tap water heating Centralised
Costs
Total cost solar system n/a
Cost of the gross area of collectors n/a
Subsidies 20%
Output
Output of solar heat**) 232MWh
CO2-emissions avoided 65 tCO2/yr
*) Aperture area = light transmitting area of the front glass
**) for months analized
Description of the Solar System
Gross area of collectors 460 m2
Aperture area of collectors 436 m2
Type of collectors FPS23 - Flat plate collectors
Type of assembly On tilted roof
Orientation of collectors South (+5°)
Inclination angle to horizon 34°
Freezing protection No
Overheating protection Expansiion vessel
Operation mode High flow
Hot tap water storage 40 m3 (8 x 5 m3)
Hot tap water system
Type of hot water heating Centralised
Recirculation system Yes
Energy source LPG
Type of boiler system Standard
Type of operation
Operator Self-operation
Solar System monitoring soon
Data accessible via internet soon
Heat consumption
Hot tap water consumption 50-65 m3/d
Hot tap water temperature 60 °C
Cold water temperature 10-15 °C