Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Recent
Hot!
Most votes
Most answers
Most views
Ask a Question
Recent questions
0
votes
1
answer
280
views
Using library (ecoinvent): direct calculation not possible
asked
Dec 12, 2025
in
openLCA
by
NicolasB
(
340
points)
library
ecoinvent
direct calculation
0
votes
1
answer
200
views
Mass importing of processes
asked
Dec 12, 2025
in
openLCA
by
VP
(
150
points)
openlca
import
ecoinvent
processes
0
votes
1
answer
239
views
I am trying to create a new flow with the reference flow property "number", which is missing in the drop down list.
asked
Dec 10, 2025
in
openLCA
by
Volker Maiwald
(
170
points)
openlca
reference flow property
0
votes
1
answer
312
views
Best practice for mixing Cutoff System (S) and Unit (U) processes in the same openLCA project
asked
Dec 9, 2025
in
openLCA
by
rosamaria.fibla
(
120
points)
openlca
unit process
system process (lci)
ecoinvent
cut-off
0
votes
1
answer
318
views
Importing SimaPro CSV is mapping included or has to be added?
asked
Dec 9, 2025
in
openLCA
by
mwelker
(
160
points)
import export
simapro
csv
brightway
0
votes
1
answer
305
views
If I purchase Agrifootprint database (format OpenLCA), will I be able to export emission factors values as an xlsx file?
asked
Dec 9, 2025
in
openLCA
by
Igkotsis
(
120
points)
openlca
emission factors
database
0
votes
1
answer
228
views
Information about PENRM e PERM of the product regarding database EN15804 add-on to ecoinvent
asked
Dec 5, 2025
in
openLCA
by
FilippoB
(
120
points)
en15804
ecoinvent 3.11
epd
perm
0
votes
1
answer
206
views
Net costs as impact category & export
asked
Dec 5, 2025
in
openLCA
by
Madeleine Pries
(
220
points)
lcc
value added
excel export
impact categories
0
votes
1
answer
197
views
Do Impact Factors such as human toxicity include financial data (are they meant to be multiplied by spend values)?
asked
Dec 4, 2025
in
openLCA
by
aleksandra.zarzycka
(
120
points)
impact factors
spend-based approach
0
votes
1
answer
246
views
hey, i'm looking for agribalyse 3.1 database, has someone has it in local pls ?
asked
Dec 4, 2025
in
openLCA
by
tracy404
(
120
points)
agribalyse 3.1
openlca
agribalyse
database
0
votes
1
answer
378
views
Can I view carbon content (biogenic/fossil) in ecoinvent 3.9.1 inside openLCA?
asked
Dec 4, 2025
in
openLCA
by
qbao
(
160
points)
openlca
biogenic carbon
life cycle impact assessment (lcia) methods
ecoinvent 3.9.1
0
votes
1
answer
246
views
What is the real advantage to use libraries?
asked
Dec 4, 2025
in
openLCA
by
tarlon.s
(
1.0k
points)
library
openlca
database
ecoinvent
0
votes
2
answers
499
views
Specific Application of Analysis Groups
asked
Dec 3, 2025
in
openLCA
by
paul.domberger
(
680
points)
analysis group
result interpretation
0
votes
1
answer
317
views
Can I use an ecoinvent licence bought on ecoinvent.org in openLCA as smoothly as a Nexus licence?
asked
Dec 2, 2025
in
openLCA
by
auribelarrea
(
120
points)
ecoinvent
licence owner
openlca nexus
payment
paypal
0
votes
1
answer
232
views
How are weighted data quality results calculated?
asked
Dec 2, 2025
in
openLCA
by
s.r.allen
(
230
points)
uncertainty
data quality
0
votes
0
answers
266
views
Clean modelling of recycled products
asked
Dec 2, 2025
in
openLCA
by
paul.domberger
(
680
points)
end-of-life (eol)
allocation
0
votes
0
answers
157
views
Elemental form or Chemical formula
asked
Dec 1, 2025
in
openLCA
by
TejasR
(
120
points)
openlca
flow properties
0
votes
0
answers
210
views
what database from ecoinvent to use to model welding stainless steel
asked
Nov 28, 2025
in
Miscellaneous
by
Seyedehgelareh Sanei
(
260
points)
processes
ecoinvent
lca
openlca database
0
votes
0
answers
164
views
restricting view/access to copyrighted processes in collaboration server
asked
Nov 26, 2025
in
LCA Collaboration Server
by
stefanb
(
460
points)
lca collaboration server
repository
verification
copyright
0
votes
1
answer
232
views
Consideration of production waste
asked
Nov 25, 2025
in
openLCA
by
DiHorw
(
1.0k
points)
production scrap
functional unit
0
votes
1
answer
233
views
Transferability of ecoinvent Commercial Single-User Yearly License
asked
Nov 25, 2025
in
openLCA
by
milat
(
120
points)
ecoinvent
license
commercial
0
votes
1
answer
378
views
Is openLCA compatible with ecoinvent for an LCA on MOF-based MMMs, and which parts require payment?
asked
Nov 24, 2025
in
openLCA
by
asliyildirim
(
120
points)
openlca
ecoinvent
ecoinvent2
costs
ecoinvent data
0
votes
1
answer
275
views
Hardware recommendation
asked
Nov 23, 2025
in
openLCA
by
VP
(
150
points)
openlca
life cycle impact assessment (lcia) methods
lca
0
votes
1
answer
342
views
Exiobase 3.9.4 - products
asked
Nov 23, 2025
in
openLCA
by
tarlon.s
(
1.0k
points)
exiobase
results
factors
0
votes
2
answers
335
views
Analysis groups provide negative values for the group at the top level of the system model
asked
Nov 21, 2025
in
openLCA
by
alespaulu
(
160
points)
analysis group
negative value
0
votes
1
answer
435
views
How system boundaries expansion with substitution is done in openLCA?
asked
Nov 21, 2025
in
openLCA
by
MATRIMAX
(
160
points)
modelling
system expansion
0
votes
0
answers
310
views
How to model battery recycling using the "used Li-ion battery" waste flow in Ecoinvent 3.10?
asked
Nov 21, 2025
in
Miscellaneous
by
hlappal
(
330
points)
system expansion
avoided product
avoided waste
recycling
allocation
0
votes
1
answer
501
views
ReCiPe 2016 (H) vs (H) no LT: Handling long-term emissions in Landfills
asked
Nov 20, 2025
in
Miscellaneous
by
farcebastias
(
450
points)
recipe 2016
life cycle impact assessment (lcia) methods
impact assessment method
recipe endpoint (h)
long-term emissions
0
votes
0
answers
182
views
Simultaneous calculations via the API
asked
Nov 20, 2025
in
openLCA
by
PierreK
(
120
points)
api
olca-ipc
0
votes
1
answer
262
views
PERM, PENRM, EEE and EET in openLCA
asked
Nov 20, 2025
in
openLCA
by
vapLCA
(
250
points)
exporting results
inherent energy
perm
eee
packaging
0
votes
1
answer
254
views
The result of some processes did not calculated even it had connected to the product system
asked
Nov 19, 2025
in
openLCA
by
Herlintama
(
120
points)
openlca
process connection
linking process
product system
0
votes
1
answer
244
views
"export results to excel" is frozen on the screen
asked
Nov 18, 2025
in
openLCA
by
Zeinab
(
120
points)
excel export
exporting results
0
votes
0
answers
194
views
How can I quantify the emission (Carbon Dioxide, GHG) of processes to air, water, land for output inventory?
asked
Nov 18, 2025
in
openLCA
by
Kanakasree
(
140
points)
emissions
output data
0
votes
1
answer
222
views
Switch from one electricity source to Norwegian electricity
asked
Nov 15, 2025
in
openLCA
by
Oline Grimsmo Røe
(
120
points)
agribalyse
openlca
processes
input output
electricity mix
0
votes
1
answer
211
views
Transport by boat, cooling?
asked
Nov 14, 2025
in
openLCA
by
MartineKjo
(
160
points)
transport
lorry
openlca
0
votes
1
answer
197
views
Naming Input Outputs as going through processes.
asked
Nov 13, 2025
in
openLCA
by
mkalam
(
200
points)
openlca
processes
naming inputs
outputs.
0
votes
1
answer
310
views
Do we need to import LCIA methods in EN15804 add-on (ecoinvent v3.11)?
asked
Nov 13, 2025
in
openLCA
by
s.r.allen
(
230
points)
en15804
ecoinvent 3.11
life cycle impact assessment (lcia) methods
0
votes
1
answer
236
views
PENRM & PENRM return 0s in ecoinvent 3.11
asked
Nov 12, 2025
in
openLCA
by
nminkov
(
120
points)
life cycle impact assessment (lcia) methods
ecoinvent 3.11
0
votes
0
answers
201
views
I get a "failed to create the part's controls" error after installing and opening OpenLCA
asked
Nov 12, 2025
in
openLCA
by
CH
(
120
points)
error
open lca
0
votes
1
answer
417
views
Out of memory: openLCA - error message
asked
Nov 11, 2025
in
openLCA
by
vapLCA
(
250
points)
out of memory
error
memory allocation
openlca
calculation
Page:
« prev
1
2
3
4
5
6
7
...
86
next »
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
(3.1k)
Miscellaneous
(203)
LCA Collaboration Server
(81)
Follow @openlca
Recent questions
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
life cycle impact assessment (lcia)
product system
import
flows
error
results
openlca1.6
calculation
modelling
python
data inputs
monte carlo analysis
input output
processes
uncertainty
data
olca-ipc
openlca1.7
impact analysis
lca
openlca1.5
impact assessment method
en15804
lca collaboration server
import export
methods
life cycle assessment (lca)
excel export
waste treatment
provider linking
openlca 2.0
contribution tree
ecoinvent3.6
exiobase
openlca 1.10.3
impact categories
exporting results
waste management
crash
allocation
...
