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BEAM PLUS FOR NEW B UILDINGS ENERGY USE (E U)
V ERSION 1.2 EU 6 RENEWABLE ENERGY S YSTEMS
Copyright © 2012 BEAM Society Limited. All rights reserved.
Page 106
4 ENERGY USE 4.2 ENERGY EFFICIENT SYSTEMS
EU 6 RENEWABLE ENERGY SYSTEMS
EXCLUSIONS None.
OBJECTIVES Encourage the wider application of renewable energy sources in
buildings.
CREDITS ATTAINABLE 5
PREREQUISITES None.
CREDIT REQUIREMENT 1 to 5 credits where 0.5% to 2.5% or more of building energy
consumption is obtained from renewable energy sources respectively.
Alternatively,
1 to 5 credits where the minimum percentage of 20% to 100% of the
building footprint is being covered/used by PV panels respectively and/or
other renewable power facility generation with equivalent renewable
power output.
ASSESSMENT The Client shall submit a report providing details of the installations, and
calculations showing the estimated energy use provided from renewable
energy sources.
In the case of systems that generate electricity from renewable sources
(e.g. photovoltaic panels), the estimated amount of electricity that will be
generated by the system for use by equipment in the building, either
instantaneously or from an associated storage system.
In the case of using systems that produce services direct from renewable
sources, which will otherwise require the use of fuel or electricity to
produce those services (e.g. hot water supply from solar panels or chilled
water supply from absorption chillers powered by solar heat), the
equivalent amount of electricity use that will be avoided.
The calculation shall take due account of the diurnal and seasonal
variations in the external environmental conditions (e.g. solar intensity
and wind speed and direction) and in the demand for the electricity
and/or services generated by the systems. Any energy use and losses
by the systems shall be discounted from their output. The total energy
consumption shall be referenced to the design value calculated in the
Credit EU 1 Reduction of CO2 Emission or other building energy
estimation certified by a qualified professional person when EU 1 –
Option 2 Alternative Route: Passive Design is adopted. The tenant’s
electrical loads, which are not controlled or influenced by the applicant,
shall be excluded from the calculation.
Alternatively, the credits may be awarded where the Client demonstrates
that percentage of the building footprint is being covered/used by PV
panels and/or other renewable power facility generation equivalent
renewable power output. The number of credits awarded will be
determined with reference to the percentage achieved.
BACKGROUND If energy consumption continues to increase at existing levels, projected
carbon dioxide emissions generated for the year 2010 are expected to
grow by 39% from the 2000 level. The effective use of renewable energy
resources will help to reduce Hong Kong's reliance on fossil fuels and
also to reduce greenhouse gas emissions arising from the use of fossil
fuels. EMSD’s information pamphlet [ 1 ] explains the meaning of
1 Electrical and Mechanical Services Department