North America
American Solar Energy Society (ASES) | ases.org
Canadian Solar Industries Association (CanSIA) | cansia.ca
Solar Energy Industries Association (SEIA) | seia.org
Solar Electric Power Association (SEPA) | 
The Solar Alliance | solaralliance.org
Interstate Renewable Energy Council (IREC)
Updated versions of its state-by-state net-metering table and its state-by-state
interconnection table. Both tables were revised in June 2006
Net-Metering Table
Interconnection Table
Building Green Program | buildinggreen.com
California Energy Commission | energy.ca.gov
Database of State Incentives for Renewable Energy | dsireusa.org
EcoSmart Building Center/EcoSmart Healthy Properties, LLC | ecosmart.com
Energy Efficiency & Renewable Energy Clearinghouse | energy.gov/engine/content.do
Energy Efficient Building Association, Inc. |  eeba.org
Green Builder Program | greenbuilder.com
Green Power Network | eere.energy.gov/greenpower/buying/buying_power.shtml
Homestead Enterprises | renewables.com
Midwest Renewable Energy Laboratory (NREL) | the-mrea.org
North Carolina Solar Center (NCSC) | www.ncsc.ncsu.edu
Northeast Sustainable Energy Association | www.nesea.org
Sandia National Laboratory PV Systems Assistance Center | sandia.gov/pv
Renewable Energy Access | renewableenergyaccess.com/rea/home
Solar Energy International | solarenergy.org
U.S. Department of Energy, Energy Efficiency & Renewable Energy Network | eere.energy.gov

Global
ISES – The International Solar Energy Society – www.ises.org

Asia
India: SESI – Solar Energy Society of India – www.sesi.in
Japan: JPEA – The Japanese Photovoltaic Energy Association – www.jpea.gr.jp

Australia/New Zealand
ANZSES – The Australian and New Zealand Solar Energy Society – www.anzses.org
APVA – The Australian PV Association – www.apva.org.au
ATA – The Alternative Technology Association – www.ata.org.au

Europa
EPIA – Asociación Europea de la Industria Fotovoltaica – www.epia.org
Eurosolar – Asociación Europea de Energías Renovables – www.eurosolar.de

Austria
BV-pv – Asociación Federal de Energía Fotovoltaica de Austria – www.bv-pv.at

Francia
SER – Asociación Francesa de Energías Renovables – www.enr.fr
Enerplan – Asociación Francesa de Energía Solar – www.enerplan.asso.fr

Alemania
BEE – Federación Alemana de Energía Renovable – www.bee-ev.de
BSW – Asociación Alemana de Energía Solar – www.solarwirtschaft.de
DGS – Federación Alemana de Energía Solar – www.dgs.de

Grecia
Helapco – Asociación Griega de Empresas Fotovoltaicas – www.helapco.gr

Italia
Assolare – Asociación Italiana de Energía Solar – www.assosolare.org/

Países Bajos
Holland Solar – Asociación Holandesa del Sector de la Energía Solar – www.hollandsolar.nl

Portugal
Api Solar – Asociación Portuguesa del Sector de la Energía Solar – www.apisolar.pt

España
ASIF – Asociación Española del Sector de la Energía Solar – www.asif.org

Suiza
Swiss Solar – Asociación Suiza de la Energía Solar – www.swissolar.ch

Reino Unido
REA – Asociación de Energías Renovables del Reino Unido – www.r-e-a.net