Solar obligation by the state of Rio de Janeiro, Brazil
The state of Rio de Janeiro is the front runner in terms of solar building codes on a state level. In January 2008, its state government approved a law that makes the installation of solar water heating systems mandatory for public buildings.
| Country |
Brazil |
| State |
Rio de Janeiro |
| Name |
Lei N° 5184 from 2 January 2008 |
| Goal |
Solar thermal systems are mandatory for new and refurbished public buildings in Rio de Janeiro. Solar energy must cover 40 % of the annual hot water demand. |
| Date when law passed |
Published on 2 January 2008 |
| Date when law came into effect |
January 2008 |
| Target group |
Public buildings |
| Special requirements |
The materials and equipment used in implementing the system have to comply to the Brazilian norm NBR, and the Brazilian Technical Standards Association (Portuguese: ABNT). A technical body will then test its efficiency, so that the system can be accredited by the National Institute of Metrology, Standardization and Quality Industrial (INMETRO). |
| Exceptions |
Public buildings, in which it is technically impossible to install a solar thermal system, are exempt from this regulation. |
| Last review |
March 2009 |
| Further information |
Cidades Solares: |
| Contact |
State government of Rio de Janeiro |
