| Hawthorn Pit Green Energy Parkbattery storage | battery storage | 1,000 | application submittedupdated Oct 2025 | Aug 2025 | — | Oct 2025 |
| Spennymoor Greener Grid Parkbattery storage | battery storage | 200 | approved, not builtupdated Jun 2026 | Mar 2023 | granted Jul 2025 | Jun 2026 |
| Carrs Farm, South Hettonbattery storage | battery storage | 200 | application submittedupdated Jun 2025 | May 2025 | — | Jun 2025 |
| South Thinford Lane, Thinfordbattery storage | battery storage | 99.9 | approved, not built may be out of dateupdated Jan 2022 | Jan 2022 | granted Oct 2022 | Jan 2022 |
| Woodlands, Windermere Roadbattery storage | battery storage | 90 | application submittedupdated Aug 2025 | Jul 2025 | — | Aug 2025 |
| Hallfield Farm, Easingtonbattery storage | battery storage | 57 | application submittedupdated Aug 2025 | Jul 2025 | — | Aug 2025 |
| Bluestone Farm, Low Lands Solar Farmsolar farm | solar farm | 50 | approved, not builtupdated Feb 2026 | Feb 2023 | granted May 2024 | Feb 2026 |
| Sheraton Hall Solar Farmsolar farm | solar farm | 49.9 | approved, not builtupdated Sep 2025 | Dec 2020 | granted Dec 2023 | Sep 2025 |
| Hawthorn Pit -Solar Farmsolar farm | solar farm | 49.9 | approved, not built may be out of dateupdated Jul 2024 | Oct 2021 | granted May 2023 | Jul 2024 |
| Edge Lane, Maiden Law Solar Farm & Battery Storagesolar farm | solar farm | 49.9 | approved, not builtupdated Jun 2026 | Jun 2022 | granted Apr 2026 | Jun 2026 |
| Croxdale Farms, Hett Moor Farm Solar Farmsolar farm | solar farm | 49.9 | approved, not builtupdated Dec 2024 | Jun 2023 | granted Nov 2024 | Dec 2024 |
| Hallfield Farm, Easington Solar Farmsolar farm | solar farm | 49.9 | application submittedupdated Aug 2025 | Jul 2025 | — | Aug 2025 |
| Hawthorn Grid Sitebattery storage | battery storage | 49 | operationalupdated Feb 2026 | Mar 2022 | granted Dec 2022 | Feb 2026 |
| The Isles Wind Farmwind farm | wind farm | 48 | application withdrawnupdated Jan 2016 | May 2014 | — | Jan 2016 |
| Solar Farm at E/O Stockton Roadsolar farm | solar farm | 48 | application submittedupdated Mar 2025 | Feb 2025 | — | Mar 2025 |
| Benridge Farm, Fillpoke Lanesolar farm | solar farm | 48 | application submittedupdated Sep 2025 | Jul 2025 | — | Sep 2025 |
| Edge Lane, Maiden Law Solar Farm & Battery Storagebattery storage | battery storage | 45 | approved, not builtupdated Jun 2026 | Jun 2022 | granted Apr 2026 | Jun 2026 |
| West House Farm, Fishburn Solar Farmsolar farm | solar farm | 41.4 | approved, not builtupdated May 2024 | Jan 2023 | granted Apr 2024 | May 2024 |
| Maiden, Annfield Plainbattery storage | battery storage | 38 | approved, not builtupdated Jul 2022 | May 2021 | granted Aug 2021 | Jul 2022 |
| Hedley Hope, Tow Lawwind farm | wind farm | 31.5 | application submitted may be out of dateupdated Dec 2023 | Nov 2023 | — | Dec 2023 |
| Harehill Farm, Haswell Plough Solar Farm & Battery Energy Storagesolar farm | solar farm | 31.5 | refusedupdated Jul 2025 | Dec 2024 | refused Jul 2025 | Jul 2025 |
| Wagtail Lane, Cragheadsolar farm | solar farm | 27 | refusedupdated Jan 2026 | Jan 2025 | refused Dec 2025 | Jan 2026 |
| Toronto Green Energy Park, Addison Road Solar Farmsolar farm | solar farm | 27 | application submittedupdated Mar 2026 | Jan 2026 | — | Mar 2026 |
| Low Raisby Farm, Kelloesolar farm | solar farm | 25.3 | application submittedupdated Feb 2026 | Jan 2026 | — | Feb 2026 |
| West Durham Wind Farmwind farm | wind farm | 24 | operationalupdated Dec 2014 | Jan 2005 | granted Dec 2005 | Dec 2014 |
| Addison Roadbattery storage | battery storage | 22 | abandonedupdated May 2019 | May 2017 | — | May 2019 |
| Butterwick Moorwind farm | wind farm | 20.5 | operationalupdated Aug 2011 | Jan 2007 | granted Jun 2007 | Aug 2011 |
| Salters Lanebattery storage | battery storage | 18 | application submittedupdated Aug 2025 | Jul 2025 | — | Aug 2025 |
| Barnard Castle Solar Farm & Battery Storage Systemsolar farm | solar farm | 16 | approved, not builtupdated Sep 2023 | Aug 2023 | granted Jun 2025 | Sep 2023 |
| Hackworth Road, North West Industrial Estatesolar farm | solar farm | 15.4 | application submittedupdated Sep 2025 | Jul 2025 | — | Sep 2025 |
| High Moor Wind Farmwind farm | wind farm | 14.7 | refusedupdated Oct 2011 | Apr 1996 | refused Nov 1998 | Oct 2011 |
| Walkwaywind farm | wind farm | 14 | operationalupdated May 2009 | Nov 2004 | granted Feb 2005 | May 2009 |
| Windy Bank Windfarmwind farm | wind farm | 14 | refusedupdated May 2015 | Aug 2011 | refused May 2015 | May 2015 |
| Benridge Farm, Fillpoke Lanebattery storage | battery storage | 12 | application submittedupdated Sep 2025 | Jul 2025 | — | Sep 2025 |
| Harehill Farm, Haswell Plough Solar Farm & Battery Energy Storagebattery storage | battery storage | 10.3 | refusedupdated Jul 2025 | Dec 2024 | refused Jul 2025 | Jul 2025 |
| Haswell Moorwind farm | wind farm | 10 | operationalupdated Jun 2011 | Nov 2006 | granted Dec 2007 | Jun 2011 |
| Sheraton Wind Farm (Durham)wind farm | wind farm | 10 | refusedupdated Apr 2015 | Jan 2012 | refused Dec 2014 | Apr 2015 |
| Hackworth Road, North West Industrial Estatebattery storage | battery storage | 10 | application submittedupdated Sep 2025 | Jul 2025 | — | Sep 2025 |
| Broom Hill Farmwind farm | wind farm | 8 | operationalupdated May 2010 | Feb 2006 | granted Dec 2006 | May 2010 |
| Langley Moorwind farm | wind farm | 8 | operationalupdated Apr 2009 | Jan 2005 | granted Jun 2005 | Apr 2009 |
| Fox Cover Solar Farm - Ground Mounted Photovoltaic Panelssolar farm | solar farm | 8 | approved, not builtupdated Jun 2025 | Mar 2024 | granted Mar 2025 | Jun 2025 |
| Hawthorn Wind Farmwind farm | wind farm | 7.5 | application withdrawnupdated Sep 2011 | Apr 2008 | — | Sep 2011 |
| South Sharpley Wind Farm (Revised)wind farm | wind farm | 7.5 | operationalupdated Jan 2013 | May 2008 | granted Apr 2011 | Jan 2013 |
| Royal Oakwind farm | wind farm | 6.5 | abandonedupdated Sep 2016 | Feb 2005 | granted Jan 2014 | Sep 2016 |
| Boundary Lanewind farm | wind farm | 6 | operationalupdated Mar 2015 | Jun 2009 | granted Feb 2011 | Mar 2015 |
| Foxton Lanewind farm | wind farm | 6 | refusedupdated Oct 2012 | Jul 2010 | refused Oct 2012 | Oct 2012 |
| Southern Lawwind farm | wind farm | 5.2 | operationalupdated Apr 2009 | Aug 2004 | granted Jul 2005 | Apr 2009 |
| High Hedley Hope 2 (Extension)wind farm | wind farm | 5.2 | operationalupdated May 2009 | Aug 2004 | granted Jul 2005 | May 2009 |
| Trimdon Grangewind farm | wind farm | 5.2 | operationalupdated Jul 2017 | Jul 2005 | — | Jul 2017 |
| Edder Acres Farmwind farm | wind farm | 5 | refused on appealupdated Jun 2010 | Dec 2004 | refused Oct 2005 | Jun 2010 |
| Green Croft Solar Farmsolar farm | solar farm | 5 | operationalupdated Feb 2017 | Jul 2015 | granted Nov 2015 | Feb 2017 |
| Peterlee Solar Farmsolar farm | solar farm | 5 | operationalupdated Jun 2016 | Jul 2015 | granted Jan 2016 | Jun 2016 |
| Hownsgill Industrial Parksolar farm | solar farm | 5 | under constructionupdated Jan 2020 | Aug 2015 | granted Mar 2016 | Jan 2020 |
| Bowburnsolar farm | solar farm | 5 | permission expiredupdated Nov 2019 | Dec 2015 | granted Feb 2017 | Nov 2019 |
| High Haswell Wind Farmwind farm | wind farm | 4 | operationalupdated Apr 2011 | Apr 2007 | granted Dec 2007 | Apr 2011 |
| Stanley Mosswind farm | wind farm | 4 | refusedupdated Sep 2004 | Feb 2004 | refused Jun 2004 | Sep 2004 |
| Greencroft Estate Turbineswind farm | wind farm | 4 | operationalupdated Jul 2013 | Jun 2011 | granted Nov 2011 | Jul 2013 |
| Comeleon House Solar PV Farmsolar farm | solar farm | 4 | abandonedupdated Jun 2016 | May 2015 | granted Jun 2015 | Jun 2016 |
| Barnard Castle Solar Farm & Battery Storage Systembattery storage | battery storage | 4 | approved, not builtupdated Sep 2023 | Aug 2023 | granted Jun 2025 | Sep 2023 |
| Amazon UK Services - Photovoltaic Systemrooftop solar | rooftop solar | 3.5 | approved, not built may be out of dateupdated Aug 2024 | Jan 2022 | granted Apr 2022 | Aug 2024 |
| Holmside Hallwind farm | wind farm | 2.8 | operationalupdated Dec 2009 | Mar 2002 | granted Jan 2003 | Dec 2009 |
| Hare Hill (B)wind farm | wind farm | 2.7 | operationalupdated May 2013 | Apr 1994 | granted Mar 1997 | May 2013 |
| Tow Law Wind Farmwind farm | wind farm | 2.6 | operationalupdated Jan 2002 | Jul 1999 | granted Jun 2000 | Jan 2002 |
| High Sharpley Wind Farmwind farm | wind farm | 2.6 | operationalupdated Jul 2012 | Apr 2002 | granted Jun 2002 | Jul 2012 |
| North of A19 Serviceswind farm | wind farm | 2.5 | refused on appealupdated Nov 2012 | Sep 2009 | refused Oct 2010 | Nov 2012 |
| Hedley Hopewind farm | wind farm | 2.4 | operationalupdated Aug 2010 | Jun 1999 | granted May 2001 | Aug 2010 |
| Junction Housewind turbine | wind turbine | 2.3 | refusedupdated Oct 2011 | Feb 2011 | refused Oct 2011 | Oct 2011 |
| MME3, Plot DC1, Integra 61wind turbine | wind turbine | 2.3 | application submittedupdated Jun 2025 | Apr 2025 | — | Jun 2025 |
| Old Quarrington (A)wind farm | wind farm | 2 | refusedupdated Nov 2004 | Jun 2002 | refused Aug 2002 | Nov 2004 |
| Old Quarrington (B)wind farm | wind farm | 2 | refusedupdated Nov 2004 | Jun 2002 | refused Nov 2002 | Nov 2004 |
| Lumley Water Treatment Workssolar farm | solar farm | 1.9 | operationalupdated Jan 2022 | Oct 2020 | granted Dec 2020 | Jan 2022 |
| Thorn Lighting, Butchers Racerooftop solar | rooftop solar | 1.7 | approved, not builtupdated Aug 2024 | Jun 2024 | granted Aug 2024 | Aug 2024 |
| Hesledon East Farmwind turbine | wind turbine | 1.5 | application withdrawnupdated May 2015 | Oct 2014 | — | May 2015 |
| B H K UK Davy Driverooftop solar | rooftop solar | 1.3 | under constructionupdated Apr 2022 | Mar 2022 | granted Jul 2022 | Apr 2022 |
| Hare Hillwind turbine | wind turbine | 1.3 | operationalupdated May 2009 | Feb 2000 | granted May 2000 | May 2009 |
| Number One Industrial Estaterooftop solar | rooftop solar | 1 | approved, not built may be out of dateupdated Mar 2022 | Feb 2022 | granted Apr 2022 | Mar 2022 |
| Harap Roadwind farm | wind farm | 1 | refusedupdated Nov 2016 | Aug 2011 | refused Jul 2016 | Nov 2016 |
| PFF Packaging, Salters Lane Industrial Estate, Sedgefieldrooftop solar | rooftop solar | 1 | application submittedupdated May 2025 | Mar 2025 | — | May 2025 |