| Pen Y Cymoeddwind farm | wind farm | 228 | operationalupdated Jun 2018 | Nov 2009 | granted Nov 2011 | Jun 2018 |
| Y Bryn Wind Farmwind farm | wind farm | 130 | refusedupdated Jan 2026 | Dec 2023 | refused Nov 2025 | Jan 2026 |
| Rhydypandy Road, Morristonbattery storage | battery storage | 100 | approved, not builtupdated Jan 2026 | Apr 2025 | granted Dec 2025 | Jan 2026 |
| Tonmawr - Mynydd Fforch Dwm Wind Farmwind farm | wind farm | 35 | approved, not builtupdated Feb 2026 | Nov 2023 | granted Dec 2024 | Feb 2026 |
| Mynydd y Betwswind farm | wind farm | 34.5 | operationalupdated Aug 2017 | Jun 2005 | granted Jun 2007 | Aug 2017 |
| Ffynnon Oer Wind Farmwind farm | wind farm | 32 | operationalupdated May 2009 | Nov 2002 | granted May 2003 | May 2009 |
| Chosen Park, Baglan Energy Park - Unit 3 - Battery Storage Systembattery storage | battery storage | 30 | approved, not builtupdated Jul 2025 | Feb 2025 | granted Jun 2025 | Jul 2025 |
| Maesgwynwind farm | wind farm | 26 | operationalupdated Oct 2011 | Oct 2006 | granted May 2009 | Oct 2011 |
| Pencaerlan Solar Farmsolar farm | solar farm | 25 | application submittedupdated Aug 2025 | Apr 2025 | — | Aug 2025 |
| Llynfi Renewable Energy Park, Land at Mynydd Caerauwind farm | wind farm | 24 | operationalupdated Oct 2017 | Nov 2010 | granted Aug 2013 | Oct 2017 |
| Pen y Cymoedd Energy Storagebattery storage | battery storage | 22 | operationalupdated Jan 2019 | Nov 2009 | — | Jan 2019 |
| Hirfynyddwind farm | wind farm | 18 | refused on appealupdated Oct 2015 | Jan 2008 | refused Nov 2013 | Oct 2015 |
| Melin Courtwind farm | wind farm | 18 | approved, not built may be out of dateupdated Aug 2022 | Oct 2014 | granted May 2018 | Aug 2022 |
| Dulais Valleywind farm | wind farm | 13.5 | refusedupdated Jan 2014 | Jun 2007 | refused Nov 2013 | Jan 2014 |
| Tylerfedwen Farm Solar Parksolar farm | solar farm | 13.3 | permission expiredupdated Aug 2019 | Dec 2013 | granted Jul 2014 | Aug 2019 |
| Varteg Hillwind farm | wind farm | 12 | refusedupdated Dec 2017 | Sep 2015 | refused Oct 2017 | Dec 2017 |
| Land South of Ystalyferawind farm | wind farm | 12 | refusedupdated Dec 2017 | Sep 2015 | refused Dec 2017 | Dec 2017 |
| Hendre Fawr Farmsolar farm | solar farm | 11.6 | operationalupdated Aug 2015 | Sep 2013 | granted Jul 2014 | Aug 2015 |
| Mynydd Marchywel Wind Farmwind farm | wind farm | 10 | refused on appealupdated Feb 2015 | Dec 2012 | refused Feb 2014 | Feb 2015 |
| Baglan Bay Solar Farm - Phase 2solar farm | solar farm | 10 | application withdrawnupdated Mar 2020 | May 2015 | — | Mar 2020 |
| Mynydd Brombil Wind Farmwind farm | wind farm | 8 | operationalupdated Apr 2017 | Aug 2012 | granted Jul 2015 | Apr 2017 |
| Maesgwyn solar farmsolar farm | solar farm | 7.5 | operationalupdated May 2017 | Aug 2014 | granted May 2015 | May 2017 |
| Ton Marw Farmwind farm | wind farm | 7.3 | refusedupdated Nov 2004 | Aug 2002 | refused Oct 2002 | Nov 2004 |
| Maesgwyn Wind Farm - extension (Phase 2)wind farm | wind farm | 7 | permission expiredupdated Jan 2020 | Aug 2014 | granted Dec 2015 | Jan 2020 |
| Llynfi Afan Renewable Energy Parkwind farm | wind farm | 6 | operationalupdated Dec 2017 | Nov 2010 | granted Jul 2013 | Dec 2017 |
| Pant-Y-Moch Farmsolar farm | solar farm | 5 | operationalupdated Feb 2016 | Jun 2014 | granted Oct 2014 | Feb 2016 |
| Baglan Bay Solar Farm - Phase 1solar farm | solar farm | 5 | operationalupdated Sep 2014 | Feb 2011 | granted Jan 2013 | Sep 2014 |
| Mynydd Y Gwrhyd Windfarmwind farm | wind farm | 4.7 | operationalupdated Jan 2016 | Dec 2010 | granted Mar 2013 | Jan 2016 |
| Caergarw Farmsolar farm | solar farm | 3.8 | operationalupdated Jul 2017 | Nov 2015 | granted May 2016 | Jul 2017 |
| Maesgwyn Wind Farm - extensionwind turbine | wind turbine | 2.5 | operationalupdated Jun 2017 | Aug 2014 | granted Dec 2015 | Jun 2017 |
| Mynydd y Gwryhd Solar Farmsolar farm | solar farm | 2.3 | approved, not built may be out of dateupdated Oct 2020 | Jun 2020 | granted Nov 2020 | Oct 2020 |
| Longlands Lanewind turbine | wind turbine | 1.5 | operationalupdated May 2015 | Oct 2012 | granted Nov 2013 | May 2015 |
| Kenfig Industrial Estate, Margamwind turbine | wind turbine | 1.5 | approved, not builtupdated Jun 2022 | May 2022 | granted Sep 2022 | Jun 2022 |
| Sun Fields, Gelli Bwch Farm -Solar Arraysolar farm | solar farm | 1.3 | approved, not builtupdated Jun 2025 | May 2023 | granted Apr 2025 | Jun 2025 |