SOLARGE

Hôtel Novotel Sophia Antipolis

Valbonne, France

Hotel | 110 sqm installation

 


Project summary · Technical description · Financing · Development · Downloads

Project Summary

Description

Aware of the importance of sustainability notion for tourism industry, the ACCOR company whose this hotel is a member, has carried on, since 1993, an approach for a coherent environmental policy. In 1999, a cooperation contract to develop renewable energies has been signed with the ADEME. Solar installation also answers to the seasonal nature of the hotel activity, by optimising the realised investment and answering to clientele concerns more and more sensitive to the environment protection.
CSTS has been sized to cover 49 % of energetic needs for hot tap water production with 113 sqm of collectors linked with two solar tanks of 3,000 l each.



 


Building

Type of building

Hotel

Number of dwellings, floors

97 dwellings
3 floors

Year of construction

not available

Total effective area (heated)

not available 

Hot tap water consumption (measured/estimated)

2,642 m3/a (measured)

Whole energy consumption for heating purpose after CSTS implementation

100,200 kWh/a (estimated)


System engineering

Year of construction of CSTS

1999

Type of collectors

Flat plate collectors

Thermal power

76 KWtherm.

Aperture area of collectors*)

108 m2

Buffer storage

6 m3

Hot tap water storage

15 m3

Total capacity of boilers with energy source

not available

Type of hot tap water heating

Centralised

Type of heating system

Centralised


Costs

Total cost solar system

84,500 Euro

Cost of the CSTS/gross area of collectors

745 Euro/m2

Subsidies

73 %


Output

Output of solar heat**)

89,920 kWh/a

Reduction of final energy***)

94,650 kWh/a

CO2-emissions avoided

11 t CO2/a

Solar performance guarantee

Yes


*) Aperture area = light transmitting area of the front glass
**) measured, between storage and piping to taps (solar system output)
***) related to the measured output mentioned before

 

 


Mr. Gabel, Hotel Novotel Sophia Antipolis Director:

„Solar installation has been realised with the help of the ACCOR Group intention to be involved in a sustainable policy and to develop the brand image of the hotel.“

 

 


Owner / Operator

Hotel Novotel Sophia Antipolis
(Groupe ACCOR)
Mr. Gabel
290 rue dostoïevski
06 410 Valbonne, France
Phone: +33 4 92387238
Fax: +33 4 93958012

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Technical description

 


Description of the CSTS

Year of construction of CSTS

1999

Thermal power

76 kWtherm.

Gross area of collectors

113.4 m2

Aperture area of collectors

108 m2 

Type of collectors

Flat plate collectors

Type of assembly

On flat roof

Orientation of collectors

South (0°),

Inclination angle to horizon

30°

Freezing protection

Glycol

Overheating protection

Expansion vessel

Operation mode

Variable

Use of CSTS for

Hot tap water heating

Buffer storage

6 m3

Hot tap water storage

15 m3

Control of backup-system/CSTS

Separated control


Hot tap water system

Type of hot water heating

Centralised

Recirculation system

Yes

For decentralised systems:
The installation on the consumer site

./.

Size of storage for hot tap water

15 m3

Specification (if necessary)

./.


Space heating system

Type of heating system

Centralised

Number of boilers

not available

Total capacity (power output) of boilers

not available

Capacity of each boiler (year of construction)

not available

Energy source

Electricity

Type of boiler system

./.


Type of operation

Operator of the CSTS system

Self-operation

CSTS monitoring

Yes: Solar radiation, Output of solar heat
(Monitoring can be done from afar by telephonic network and data are stored and edited every month for each project partner. The Tecsol engineering company supervises these data.)

Data accessible via internet

Yes

Scientific monitoring & follow up

Yes

Maintenance contract

Yes2 × per year

Visualisation of the solar heat output

Yes: Data are edited each month and compared with theoretical ones with tables and graphs.


Yield of CSTS plant

Output of solar heat

89,920 kWh/a

Origin of data

Design

Measuring point

Between storage and piping to taps

Reduction of final energy

94,650 kWh/a

Origin of data

Feasibilty study

Solar performance guarantee

Yes


Heat consumption

Whole energy consumption for heating purposes after CSTS implementation

100,200 kWh/a

Origin of data

Estimated

Energy used for heating of

Hot tap water heating

Whole energy consumption for heating purposes before CSTS implementation

194,850 kWh/a

Total tap water consumption

not available

Hot tap water consumption

2,642 m3/a

Hot tap water temperature

60 °C

Cold water temperature

15 °C

 

 


Summary

CSTS was sized to cover 49 % of energetic needs for hot tap water production. 113 m² of collectors has been installed on the flat roof, facing south and with an inclination of 30 %. They are linked to two solar tanks of 3000 l each. The back-up storage consists on five electric storage tanks of 3000 l each.



 

 


Engineering company

Tecsol
Mr. Glomon
1 rue Joseph Ducos
84230 Châteauneuf du Pape, France
Phone: +33 4 90837653
Fax: +33 4 90837655
tecsol.paca(at)wanadoo.fr
www.tecsol.fr

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Financing and investment

Introduction

 The total cost for this operation is of 84,505 € excluding VAT subsidised at 73 % by the ADEME and the PACA Regional Council with 61,742 €.


 


Financing of the CSTS

Form of financing

Purchase

Distribution in percentage

73 %


Costs of solar materials

Total cost of solar system

84,500 Euro


Detailed costs for

Planning/Engineering

10,800 Euro

Others

./.


Operation costs of heating system

or: Increase of the operation cost after CSTS implementation

not available

 

 

Special note for subsidy systems in the partner country

ADEME / PACA Regional Council subsidies

 

 


Addresses



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Development & experiences

Summary of experiences / Notices to the project performance

Aware of the importance of sustainability notion for tourism industry, the ACCOR Company whose this hotel is a member, has carried on, since 1993, an approach for a coherent environmental policy. In 1999, a cooperation contract to develop renewable energies has been signed with the ADEME.
Measured solar output has each year exceeded guarantied energy in the framework of solar performance guarantee.

 


Experiences management

Experienced problems or failures?

No

Found solutions to these problems or failures?

./.


Financial effects / project performance

Project economically efficient?

Yes

Fiscal or other financial effects?

No

Effects on rental fees?

No


Experiences technical staff

Experienced problems or failures?

No

Found solutions to these problems or failures?

./.

 

 


Installer 

Sté H - Saint Paul
Mr Gazay
180 bd de Paris
13003 Marseille, France
Phone: +33 4 91114488
Fax: +33 4 91114499

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Downloads

SOLARGE_goodpractice_fr_hotelnovotelsophiaantipolis.pdf

this datasheet in printable PDF-format

0.9 M

novotelsophiaantipolis_scheme.pdf

the hydraulic scheme

640 K