Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 11, 2024
Abstract
Carbon
reduction
during
the
operational
phase
of
buildings
is
a
critical
component
in
achieving
global
carbon
neutrality
objectives.
Current
methods
for
estimating
dioxide
emissions
this
predominantly
focus
on
national
or
city-level
scales,
often
ignoring
heterogeneity
building
types
and
functions.
This
oversight
limits
precision
with
which
low-carbon
management
technologies
can
be
applied
to
retrofit
existing
effectively.
To
address
gap,
we
develop
building-based
accounting
approach
at
city-scale
that
considers
type,
function,
floor
area,
height
individual
building.
Additionally,
integrate
point
source
data
from
facility-level
power
plants
characterize
structure
energy
supply
sector.
We
then
propose
suite
emission
tailored
buildings,
constructing
baseline,
regulatory,
blueprint
scenarios
analyze
pathways
2020
2050.
The
demand-side
primarily
target
two
key
areas
reduction,
such
as
modifying
consumption
behaviors
by
replacing
conventional
lighting
energy-efficient
alternatives.
On
supply-side,
three
major
technological
categories
are
addressed,
including
conversion
coal-fired
coal-biomass
co-firing
systems
enhance
generation
efficiency.
methodology
city
Nanjing,
encompassing
534,000
across
101
streets.
Our
analysis
reveals
intensity
terminal
use
commercial
Nanjing
approximately
3.9
times
higher
than
residential
buildings.
Enhancing
efficiency
end-use
sectors
HVAC
systems,
lighting,
electrical
equipment
emerges
most
effective
strategy
reducing
From
supply-side
perspective,
early
retirement
offers
significant
contribution
reductions.
accelerates
transition
more
efficient
phasing
out
outdated
capacities
before
2045
optimizing
deployment
advanced
technologies,
solar,
wind,
nuclear.
findings
offer
targeted
provide
valuable
scientific
insights
policymakers.
