constraint: sum across countries

[Vincent]

Hello,
today's question would be the following:
is it possible to create a constraint over the total flow of a commodity out a process across a set of countries

the process would have a cap_bnd for each country, + a bnd over the flow out of the process for a set of countries together.

Many thanks

[Vincent]

If it is of any help, the sum can also be across all countries if needed, this makes no difference to me.
Thanks for your help.

[Gargiulo]

You can build a Uc like this one in whixh you are using for ~UC_Sets: R_S instead of R_E and then AllRegions if you are summing over all regions in your model or a list of regions (Reg1,Reg2,Reg3).

The column identifier is UC_RHSTS (it is missing the R that is used for region).

	~UC_SETS: R_S: AllRegions
			~UC_T
UC_N	Pset_PN	Cset_CN	Year	UC_FLO	UC_RHSTS~UP	UC_RHSTS~UP~0	UC_Desc
AU_FLO	TECH1,TECH2,TECH3	COMM1	2005	1	10	1	Max Production across countries from Techs 1,2,3
	TECH1,TECH2,TECH3	COMM1	2050	1	20	1

[Vincent]

Thanks Maurizio, it does work fine.