Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions and answers
+1
vote
2
answers
2.4k
views
How to aggregate processes to reflect the impacts of different stages ?
answered
11 hours
ago
in
openLCA
by
pinqiao.ren
(
140
points)
openlca
process
product system
nested
life cycle stages
0
votes
1
answer
48
views
Merging two databases in OpenLCA
answered
1 day
ago
in
openLCA
by
julia_cilleruelo
(
1.7k
points)
database
import
merge databases
combining databases
+1
vote
1
answer
54
views
EN 15804 add on - EN15804+A2 (EF v3.1) impact method
answered
1 day
ago
in
Miscellaneous
by
Conrad Spindler
(
13.2k
points)
en15804
ef3.1
methods
life cycle impact assessment (lcia) methods
0
votes
0
answers
23
views
How should evaporated water be modelled in BAFU 2025 with EF 3.1 adapted?
asked
1 day
ago
in
openLCA
by
s235133
(
120
points)
ef3.1
water use
0
votes
1
answer
38
views
Import database in Gabi to openLCA
answered
1 day
ago
in
openLCA
by
Andreas Ciroth
(
145k
points)
database
gabi
database import
0
votes
1
answer
46
views
Ecoinvent 3.12 -Difference between Cutoff System and Cutoff Unit
answered
1 day
ago
in
openLCA
by
Andreas Ciroth
(
145k
points)
ecoinvent database
system and unit
+1
vote
1
answer
65
views
openLCA on MacOS future big big problem
answered
2 days
ago
in
openLCA
by
Conrad Spindler
(
13.2k
points)
macos
openlca
0
votes
1
answer
86
views
How to export list of "Total requirements" from direct calculation?
answered
5 days
ago
in
openLCA
by
Andreas Ciroth
(
145k
points)
results
processes
excel export
exporting results
0
votes
1
answer
103
views
Regionalized Calculation active causes negative values [ecoinvent in OPENLCA]
answered
5 days
ago
in
openLCA
by
JonasHo
(
8.2k
points)
location
ecoinvent
regionalized calculation
negative impacts
0
votes
0
answers
41
views
Handling large farm-level datasets (~9000 fields) in openLCA
asked
5 days
ago
in
openLCA
by
mauribusta
(
120
points)
large-datasets
python
agriculture
maize
0
votes
2
answers
660
views
OpenLCA crashes when hovering "Description"
answered
Apr 21
in
openLCA
by
mogulmalerei
(
180
points)
crash
openlca
not responding
process
process descrption
0
votes
1
answer
135
views
Monte Carlo simulation not generating any results
answered
Apr 20
in
openLCA
by
Conrad Spindler
(
13.2k
points)
monte carlo analysis
uncertainty
openlca
openlca2.6.1
0
votes
1
answer
79
views
How to avoid multiplying upstream process impacts when outputs go to different downstream processes?
answered
Apr 20
in
openLCA
by
Andreas Ciroth
(
145k
points)
product system
impact assessment
contribution tree
processes
0
votes
1
answer
173
views
How to easily visualize the environmental impacts of only the processes entered by the user
answered
Apr 17
in
openLCA
by
mogulmalerei
(
180
points)
openlca
lcia results
0
votes
0
answers
77
views
Impact assessment methods for Exiobase 3.4 + mapping files
asked
Apr 16
in
openLCA
by
andreamulloni
(
160
points)
exiobase 3.4
flow mapping
impact assessment method
0
votes
1
answer
113
views
Process amounts randomly invisible in v 2.6.0
answered
Apr 15
in
openLCA
by
Andreas Ciroth
(
145k
points)
process
user interface
0
votes
1
answer
111
views
How can I download Agribalyse data for use in OpenLCA?
answered
Apr 15
in
openLCA
by
Andreas Ciroth
(
145k
points)
openlca
ecoinvent
agribalyse
0
votes
0
answers
58
views
How can I model in openLCA industrial symbiosis of wooden pallet?
asked
Apr 14
in
openLCA
by
Edoardo
(
120
points)
openlca
ecoinvent
circular economy
+1
vote
1
answer
210
views
Combining parts of EXIOBASE into ecoinvent
answered
Apr 13
in
openLCA
by
Andreas Ciroth
(
145k
points)
database
exiobase
combining databases
editing databases
deleting processes
0
votes
1
answer
126
views
Log file - Error when updating maximum memory usage in 2.6
answered
Apr 9
in
openLCA
by
Conrad Spindler
(
13.2k
points)
out of memory
error
openlca 2.6
+1
vote
0
answers
90
views
Is it possible to show unit processes as single contributors like system processes in openLCA?
asked
Apr 8
in
openLCA
by
Martin1610
(
130
points)
ecoinvent 3.11
unit process
system process (lci)
product system
0
votes
1
answer
135
views
SOCA: How is the activity value (social assessment) calculated and how does it differ from the activity variable?
answered
Apr 8
in
openLCA
by
Ashrakat_
(
1.9k
points)
openlca
soca
results
0
votes
1
answer
128
views
SOCA: How would you proceed, to do a social hotspot analysis?
answered
Apr 8
in
openLCA
by
Ashrakat_
(
1.9k
points)
soca
hotspot analysis
0
votes
1
answer
146
views
Download links from openLCA homepage and nav bar are broken. The fix:
answered
Apr 6
in
openLCA
by
Andreas Ciroth
(
145k
points)
openlca
download
download link
0
votes
0
answers
106
views
Excel Import: Importing same product flows with providers from various locations
asked
Apr 1
in
openLCA
by
Johannes K.
(
120
points)
provider linking
excel import
geographies
import
0
votes
1
answer
237
views
Wrong NH₃/NOx CFs in ReCiPe 2016 Midpoint (H) Terrestrial acidification – openLCA LCIA Methods 2.8.0?
answered
Apr 1
in
openLCA
by
sahsera_gd
(
580
points)
characterisation factors
recipe 2016
recipe midpoint (h)
impact assessment method
terrestrial acidification
+1
vote
0
answers
115
views
How to do LCSA with social, ecological and economic sustainability?
asked
Mar 31
in
openLCA
by
WaltherZeug
(
780
points)
life cycle impact assessment (lcia) methods
soca
social lca (s-lca)
social indicators
+3
votes
3
answers
1.3k
views
Can I export all LCIA results from the "contribution tree" tab for all impact categories in one step?
answered
Mar 30
in
openLCA
by
laurent 40
(
180
points)
excel export
contribution tree
exporting results
results
0
votes
1
answer
154
views
Error in making a product system.
answered
Mar 30
in
openLCA
by
Andreas Ciroth
(
145k
points)
openlca
product system
0
votes
1
answer
230
views
Where is the download for the Circularity Package?
answered
Mar 30
in
openLCA
by
Andreas Ciroth
(
145k
points)
circularity package
database
0
votes
1
answer
194
views
EPD results parametrization
answered
Mar 26
in
openLCA
by
Ashrakat_
(
1.9k
points)
epd
parameter
0
votes
1
answer
385
views
How can I get ecoinvent database for free on openLCA?
answered
Mar 26
in
openLCA
by
Andreas Ciroth
(
145k
points)
database
ecoinvent
ecoinvent3.6
openlca database
student version
0
votes
0
answers
129
views
PC and PET Bottles case study, 9: End-of-life modelling, Problem getting the required processes into the database
asked
Mar 23
in
openLCA
by
Kristian Liikanen
(
120
points)
case study
elcd database
process
tutorial
end-of-life
0
votes
1
answer
240
views
How to get impact result of each individual flow per impact category in openLCA IPC Python?
answered
Mar 23
in
openLCA
by
NicolasB
(
400
points)
life cycle impact assessment (lcia) methods
flows
impact categories
python
0
votes
1
answer
160
views
How to get output flow battery pack quantity in "item"
answered
Mar 20
in
openLCA
by
Andreas Ciroth
(
145k
points)
openlca
basics online exercise
0
votes
1
answer
154
views
followed Basic exercise but couldn't get battery pack impact analysis
answered
Mar 19
in
openLCA
by
Andreas Ciroth
(
145k
points)
openlca
basics online exercise
0
votes
1
answer
321
views
Processes gone and can't find: All of the processes I created are gone
answered
Mar 18
in
openLCA
by
Andreas Ciroth
(
145k
points)
database
openlca
process
ecoinvent
missing data
0
votes
1
answer
154
views
Are trainings offered in either PST or EST so they can be attended by folks in the United States?
answered
Mar 17
in
openLCA
by
Andreas Ciroth
(
145k
points)
training in the united states
openlca
training
0
votes
1
answer
222
views
How to find the impact category total emission when using IPCC 2013 GWP 100a (incl. CO2 uptake) for ecoinvent 3.9.1?
answered
Mar 17
in
openLCA
by
JonasHo
(
8.2k
points)
openlca
ecoinvent 3.9.1
impact categories
ipcc
0
votes
1
answer
258
views
How is Water use calculated in open LCA EF 3.1?
answered
Mar 16
in
openLCA
by
Conrad Spindler
(
13.2k
points)
ef3.1
water use
openlca method
To see more, click for the
full list of questions
or
popular tags
.
ask.openLCA
is a question-and-answer (Q&A) website on
Life Cycle Assessment (LCA)
.
It is also the public support platform for
openLCA
,
openLCA Nexus
and the
LCA Collaboration Server
.
Before asking questions please also consult our online manuals for
openLCA
and the
LCA Collaboration Server
.
Receive guaranteed and prioritised professional support via
GreenDelta's help desk
.
ask.openLCA is run by
GreenDelta
, the creators of openLCA.
Categories
All categories
openLCA
(3.2k)
Miscellaneous
(206)
LCA Collaboration Server
(81)
Follow @openlca
Recent questions and answers
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
product system
life cycle impact assessment (lcia)
import
flows
results
error
openlca1.6
calculation
modelling
python
data inputs
monte carlo analysis
processes
input output
uncertainty
data
olca-ipc
openlca1.7
impact analysis
lca
impact assessment method
openlca1.5
en15804
lca collaboration server
methods
import export
excel export
life cycle assessment (lca)
waste treatment
provider linking
contribution tree
openlca 2.0
exiobase
ecoinvent3.6
impact categories
openlca 1.10.3
exporting results
waste management
allocation
crash
...
