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OVERVIEW OF ENERGY
CONSUMPTION IN HOTELS IN
PORTUGAL – OPPORTUNITIES
FOR RENEWABLE ENERGY
Carlos A. Santos Silva
ENERGYINLisbon, November 17, 2015
Identify average consumption patterns in hotels by
energy services
International and national benchmark in terms of
energy consumption
Identify opportunities for renewable energy
Biomass (Space heating, Hot Water)
Solar termal (Pool heating)
PV (all services)
TOPICS
WHAT IS ENERGYIN
IMPROVE THE COMPETITIVENESS OF THE COMPANIES IN THE
ENERGY SECTOR THROUGH THE DEVELOPMENT OF
TECHNOLOGIES AND INNOVATION
o Participation in sectorial studies in energy
3Source: Turismo2015
Credits: Enforce, Ana Oliveira
Source: IST Projects, MSc
Credits: Students, CsilvaSource: EPC
INTERNACIONAL BENCHMARKING
Source: P. Bohdanowicz, I. Martinac / Energy and Buildings 39 (2007) 82–95
NACIONAL BENCHMARKING
Source: ADENE (317 EPC from 3,4 and 5 stars hotels), in Turismo2015
NACIONAL BENCHMARKING
Source: ADENE (55+9 EPC from 4 and 5 stars hotels), in Luz2015/IST
Heating Cooling Water Heating Lighting
28,17 19,16 28,13 26,60
Average specific consumption for diferente services
NACIONAL BENCHMARKING
Source: ADENE (55+9 EPC from 4 and 5 stars hotels), in Luz2015-IST
NACIONAL BENCHMARKING
Source: ADENE (55+9 EPC from 4 and 5 stars hotels), in Luz2015-IST
Spa’s
Conference
rooms
NACIONAL BENCHMARKING
Source: ADENE (55+9 EPC from 4 and 5 stars hotels), in Luz2015-IST
NACIONAL BENCHMARKING
Source: Turismo2015
SPACE HEATING - CURRENT
Source: Turismo2015
SPACE HEATING - POTENTIAL
Source: Turismo2015
Biomass is already
competitive with gas
• Gas (26%)
• Biomass (3%)
Solar thermal is not
competitive
Many electricity
based systems
HOT WATER - CURRENT
Source: Turismo2015
Solar thermal potential accomplished for water heating
Opportunities for new technologies and integration systems
HOT WATER - POTENTIAL
Source: Csilva2015
Small Hotels
Large Hotels
HOT WATER - POTENTIAL
Source: Turismo2015
Biomass is competitive with other technologies
PV – SELF CONSUMPTION
Source: Csilva2015
Self consumption regulation since 2015
• No Feed-In tariffs
• No net-metering
• Excess can be sold to the market
0,9×Price of the Market
PV – SELF CONSUMPTION POTENTIAL
Source: Csilva2015
SELF CONSUMPTION IS COMPETITIVE WITH THE GRID
• Average installed power = average power
• South-East orientation might be optimal
Many opportunities
Biomass for space and hot water
PV for self-consumption
Traditional solar thermal systems are
deployed
• Opportunities for new solutions
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OPPORTUNITIES
ENERGYIN
www.energyin.com.pt
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