| ASHP | | Domestic | Near to the Eden Project | 2003 | 1 | n | 0.004 |
| ASHP | Carrick Housing ASHP Trials | Social housing | Chacewater | 2005 | 1 | | 0.0055 |
| ASHP | Carrick Housing ASHP Trials | Social housing | Goonhavern | 2005 | 1 | | 0.0055 |
| ASHP | Carrick Housing ASHP Trials | Social housing | St Agnes | 2005 | 1 | | 0.0055 |
| ASHP | Carrick Housing ASHP Trials | Social housing | St Mawes | 2005 | 1 | | 0.0055 |
| ASHP | Carrick Housing ASHP Trials | Social housing | Truro | 2005 | 1 | | 0.0055 |
| ASHP | Trelissick House | Commercial | Feock | 2007 | 1 | | 0.0091 |
| ASHP | | Commercial | Pool, nr Redruth | 2007 | 1 | | 0.0080 |
| ASHP | | Commercial | Tresco | 2007 | 1 | | 0.0100 |
| ASHP | Penrice School | Community | St Austell | 2008 | 1 | | 0.009 |
| ASHP | Tuckingmill Valley Centre | Community | Tuckingmill, Camborne | 2008 | 1 | | 0.012 |
| Biomass | Trenance Downs sawmills | Commercial | | 2004 | 1 | | 0.05 |
| Biomass | | Domestic | | 2005 | 1 | | 0.05 |
| Biomass | | Domestic | | 2005 | 1 | | 0.05 |
| Biomass | Jubilee Wharf | Community | | 2006 | 1 | | 0.075 |
| Biomass | Tregothnan Estate | Commercial | | 2006 | 1 | | 0.15 |
| Biomass | Marazion | Commercial | Marazion, nr. Penzance | 1998 | 1 | 0 | 0.016 |
| Biomass | Farm Project | Commercial | | 1998 | 1 | 0 | 0.1 |
| Biomass | Launceston College | Community | Launceston | 1999 | 1 | 0 | 0.22 |
| Biomass | | Domestic | Wadebridge | 2000 | 1 | 0 | 0.025 |
| Biomass | Mount Pleasant Eco Park | Commercial | Chapel Hill, Porthtowan | 2004 | 1 | 0 | 0.04 |
| Biomass | Trelowarren Estate | Commercial | | 2005 | 1 | | 0.3 |
| Biomass | | Domestic | | 2005 | 1 | | 0.03 |
| Biomass | Penrose estate | Commercial | | 2006 | 1 | | 0.03 |
| Biomass | Kernock Plants | Commercial | | 2006 | 1 | | 3 |
| Biomass | Eden Project | Commercial | St Austell | 2008 | 1 | 0 | 0.3 |
| GSHP | Geoscience | Commercial | | 1996 | 1 | 0 | 0.0015 |
| GSHP | | Commercial | Falmouth | 1996 | 4 | 0 | 0.006 |
| GSHP | IOS Health Centre | Community | Isles Of Scilly | 1997 | 1 | | 0.025 |
| GSHP | Marazion new build social housing development | Social housing | Marazion, nr. Penzance | 1998 | 4 | 0 | 0.016 |
| GSHP | | Commercial | Botallack | 1999 | 1 | 0 | 0.025 |
| GSHP | | Domestic | Carharrack | 1999 | 1 | 0 | 0.004 |
| GSHP | | Domestic | Launceston | 1999 | 1 | | 0.01 |
| GSHP | Charlestown School, St Austell | Community | St Austell | 1999 | 1 | 0 | 0.1 |
| GSHP | Tremough | Commercial | | 2001 | 1 | 0 | 0.084 |
| GSHP | Tolvaddon Energy Park | Commercial | Camborne | 2001 | 19 | 0 | 0.28 |
| GSHP | | Domestic | Falmouth | 2001 | 1 | 0 | 0.006 |
| GSHP | | Domestic | Manaccan, Lizard | 2001 | 1 | 0 | 0.008 |
| GSHP | | Domestic | | 2002 | 1 | n | 0.004 |
| GSHP | | Domestic | | 2002 | 1 | 0 | 0.008 |
| GSHP | | Domestic | Flushing | 2002 | 1 | n | 0.008 |
| GSHP | | Domestic | Mylor | 2002 | 1 | 0 | 0.006 |
| GSHP | | Domestic | Sailors Creek, Flushing, nr. Falmouth | 2002 | 1 | 0 | 0.01 |
| GSHP | | Domestic | Stithians | 2002 | 1 | 0 | 0.005 |
| GSHP | Kestle Wartha | Social housing | | 2003 | 1 | 0 | 0.01 |
| GSHP | Moss Side Workshops | Commercial | Callington | 2003 | 6 | 0 | 0.02 |
| GSHP | Pencoys Primary School | Community | Four Lanes (nr. Redruth) | 2003 | 1 | 0 | 0.06 |
| GSHP | The Old Mortuary | Social housing | Liskeard | 2003 | 1 | 0 | 0.008 |
| GSHP | Constantine Pre school | Community | | 2004 | 1 | 0 | 0.006 |
| GSHP | Walker Lines Business Unit | Commercial | Bodmin | 2004 | 1 | 0 | 0.032 |
| GSHP | | Domestic | Boscastle | 2004 | 1 | 0 | 0.008 |
| GSHP | | Domestic | Bude | 2004 | 1 | 0 | 0.008 |
| GSHP | | Domestic | Budock Vean | 2004 | 1 | 0 | 0.012 |
| GSHP | Callington Business Park | Commercial | Callington | 2004 | 1 | 0 | 0.08 |
| GSHP | CPR Learning Space (school) | Community | Camborne | 2004 | 1 | 0 | 0.05 |
| GSHP | Bowood Park | Commercial | Camelford | 2004 | 2 | 0 | 0.05 |
| GSHP | | Domestic | Delabole | 2004 | 1 | 0 | 0.008 |
| GSHP | | Domestic | Liskeard | 2004 | 1 | 0 | 0.01 |
| GSHP | Grade Ruan School | Community | Lizard | 2004 | 1 | 0 | 0.008 |
| GSHP | Chy An Gweal | Social housing | Ludgvan, Penwith | 2004 | 14 | 0 | 0.049 |
| GSHP | | Domestic | Ponsanooth (nr Falmouth) | 2004 | 1 | 0 | 0.012 |
| GSHP | | Domestic | Redruth | 2004 | 1 | 0 | 0.008 |
| GSHP | | Domestic | Saltash | 2004 | 1 | 0 | 0.006 |
| GSHP | | Domestic | Trevaunance Road - St Agnes | 2004 | 1 | 0 | 0.004 |
| GSHP | Blisland Community Centre | Community | Blisland, Bodmin | 2005 | 1 | | |
| GSHP | | Domestic | Budock Vean | 2005 | 1 | 0 | 0.012 |
| GSHP | Camborne School - Technical Design Centre | Community | Camborne | 2005 | 1 | 0 | 0.08 |
| GSHP | Dentists' Surgery | Commercial | Liskeard | 2005 | 1 | | 0.01 |
| GSHP | Centre of Pendeen (Greener Pendeeners) - community building | Community | Pendeen, nr Penzance. Conservation area. | 2005 | 4 | 0 | 0.064 |
| GSHP | Little Trethewey | Social housing | St Levan (nr. Penzance) | 2005 | 6 | 0 | 0.021 |
| GSHP | | Domestic | Blackwater | 2006 | 1 | | 0.012 |
| GSHP | | Domestic | Bow Green, Maenporth, Falmouth | 2006 | 1 | | 0.008 |
| GSHP | | Domestic | Camborne | 2006 | 1 | | 0.006 |
| GSHP | | Social housing | Chacewater | 2006 | 7 | 0 | 0.0335 |
| GSHP | | Domestic | Flushing, Falmouth | 2006 | 11 | | 0.0385 |
| GSHP | | Social housing | Frogpool | 2006 | 9 | 0 | 0.042 |
| GSHP | | Social housing | Gwennap | 2006 | 5 | 0 | 0.0205 |
| GSHP | Wendron Cricket Club | Community | Helston | 2006 | 1 | | 0.016 |
| GSHP | | Domestic | High Constantine | 2006 | 1 | | 0.02 |
| GSHP | | Domestic | Land adjoining Churchtown Farm, Launceston | 2006 | 7 | | 0.0275 |
| GSHP | | Commercial | Lanivet | 2006 | 1 | | 0.01 |
| GSHP | | Domestic | Launceston | 2006 | 1 | | 0.008 |
| GSHP | | Domestic | Launceston | 2006 | 1 | | 0.01 |
| GSHP | | Domestic | Launceston | 2006 | 1 | | 0.01 |
| GSHP | Commercial Building | Commercial | Lelant | 2006 | 1 | | 0.006 |
| GSHP | | Domestic | Morvah | 2006 | 1 | | 0.01 |
| GSHP | | Domestic | Mylor Bridge | 2006 | 15 | | 0.075 |
| GSHP | | Domestic | Nancledra | 2006 | 1 | | 0.004 |
| GSHP | | Social housing | Newlyn East | 2006 | 14 | 0 | 0.058 |
| GSHP | | Domestic | Penhallow, Truro | 2006 | 1 | | 0.004 |
| GSHP | | Domestic | Penzance | 2006 | 1 | | 0.01 |
| GSHP | | Social housing | Perranporth | 2006 | 21 | 0 | 0.105 |
| GSHP | | Domestic | Praa Sands | 2006 | 12 | | 0.032 |
| GSHP | | Domestic | South Petherwin, Launceston | 2006 | 1 | | 0.004 |
| GSHP | Wheal Kitty Engine House | Commercial | St Agnes, nr. Truro | 2006 | 1 | 0 | 0.0028 |
| GSHP | Brunel Business Park A | Commercial | St Austell | 2006 | 1 | | 0.004 |
| GSHP | Brunel Business Park B | Commercial | St Austell | 2006 | 1 | | 0.072 |
| GSHP | Brunel Business Park C | Commercial | St Austell | 2006 | 1 | | 0.022 |
| GSHP | | Domestic | St Just | 2006 | 1 | | 0.076 |
| GSHP | | Domestic | St Just | 2006 | 1 | | 0.01 |
| GSHP | | Domestic | Tregony | 2006 | 1 | | 0.01 |
| GSHP | | Domestic | Truro | 2006 | 1 | | 0.006 |
| GSHP | | Domestic | Wadebridge | 2006 | 1 | | 0.02 |
| GSHP | | Domestic | Wadebridge | 2006 | 1 | | 0.026 |
| GSHP | | Domestic | Bissom, Penryn | 2007 | 1 | | 0.0050 |
| GSHP | Callywith Gate | Commercial | Bodmin | 2007 | 8 | | 0.0450 |
| GSHP | | Domestic | Bude | 2007 | 1 | | 0.016 |
| GSHP | | Domestic | Cape Cornwall | 2007 | 1 | | 0.01 |
| GSHP | | Domestic | Chacewater | 2007 | 3 | | 0.0138 |
| GSHP | Brookside Flats | Domestic | Chacewater | 2007 | 26 | | 0.0900 |
| GSHP | | Domestic | Cliff, Lostwithiel | 2007 | 1 | | 0.0118 |
| GSHP | | Domestic | Constantine | 2007 | 1 | | 0.02 |
| GSHP | | Domestic | Crackington Haven | 2007 | 1 | | 0.0128 |
| GSHP | | Domestic | Fowey | 2007 | 1 | | 0.0100 |
| GSHP | | Domestic | Fuller Road, Perranporth | 2007 | 1 | | 0.0320 |
| GSHP | | Domestic | Hall Road, St Dennis | 2007 | 2 | | 0.0098 |
| GSHP | | Domestic | Helland Barton | 2007 | 1 | | 0.0049 |
| GSHP | Ennor Close | Social housing | Isles of Scilly | 2007 | 1 | | 0.005 |
| GSHP | | Domestic | Kea | 2007 | 1 | | 0.0050 |
| GSHP | Priestacott Park | Domestic | Kilkhampton | 2007 | 4 | | 0.0130 |
| GSHP | | Domestic | Kuggar, Helston | 2007 | 1 | | 0.011 |
| GSHP | | Domestic | Launceston | 2007 | 1 | | 0.008 |
| GSHP | | Domestic | Mount Hawke | 2007 | 1 | | 0.0680 |
| GSHP | | Domestic | Newlyn | 2007 | 1 | | 0.006 |
| GSHP | | Domestic | nr Penzance | 2007 | 1 | | 0.008 |
| GSHP | Mounts Bay School | Community | Penzance | 2007 | 1 | | 0.016 |
| GSHP | | Domestic | Perranporth | 2007 | 7 | | 0.0320 |
| GSHP | | Social housing | Perranporth | 2007 | 9 | | 0.043 |
| GSHP | Budnic Estate | Social housing | Portscatho | 2007 | 11 | | 0.035 |
| GSHP | Tarn West | Social housing | Redruth | 2007 | 1 | | 0.0556 |
| GSHP | | Social housing | St Agnes, Ropewalk and Surecross, Mount Hawke | 2007 | 16 | | 0.0785 |
| GSHP | | Domestic | St Breward, Bodmin | 2007 | 1 | | 0.0064 |
| GSHP | Brooklyn Flats | Domestic | St Mawes | 2007 | 13 | | 0.0500 |
| GSHP | | Domestic | Trevelyan Farm, Perranuthnoe, Marazion, Penzance | 2007 | 1 | | 0.0060 |
| GSHP | | Domestic | Trewarmet | 2007 | 1 | | 0.006 |
| GSHP | | Domestic | Wadebridge | 2007 | 1 | | 0.016 |
| GSHP | | Domestic | | 2008 | 1 | | 0.0100 |
| GSHP | | Domestic | | 2008 | 1 | | 0.0060 |
| GSHP | | Domestic | Boscastle | 2008 | 1 | | 0.005 |
| GSHP | Goonhilly Close | Social housing | Goonhavern | 2008 | 8 | | 0.0390 |
| GSHP | Polgooth | Social housing | Polgooth | 2008 | 2 | | 0.018 |
| GSHP | Stithians Resource Centre | Community | Stithians | 2008 | 1 | | 0.0120 |
| GSHP | | Domestic | Tresmeer | | 6 | | 0.0024 |
| LFG | Connon Bridge Landfill 2 | Commercial | East Taphouse, Liskard | 1996 | 1 | 4.26 | |
| LFG | United Mines Landfill | Commercial | St Day, Redruth | 1998 | 1 | 3.015 | 0 |
| LFG | United Mines Landfill II | Commercial | | 2003 | 1 | 3.195 | 0 |
| LFG | Connon Bridge Landfill | Commercial | East Taphouse, Liskard | 2003 | 1 | 1.006 | |
| Onshore wind | | Commercial | Delabole | 1991 | 10 | 4 | 0 |
| Onshore wind | Carland Cross Wind Farm | Commercial | Mitchell (nr. Truro) | 1992 | 15 | 6 | 0 |
| Onshore wind | Goonhilly Downs Wind Farm | Commercial | Cury, Helston | 1993 | 14 | 5.6 | 0 |
| Onshore wind | Cold Northcott Wind Farm | Commercial | Launceston | 1993 | 15 | 6.6 | 0 |
| Onshore wind | St Breock Wind Farm | Commercial | St Breock Downs | 1994 | 11 | 4.95 | 0 |
| Onshore wind | Four Burrows | Commercial | Four Burrows, Blackwater, Truro | 1995 | 15 | 4.5 | 0 |
| Onshore wind | Bears Down Wind Farm | Commercial | | 2001 | 16 | 9.6 | 0 |
| Onshore wind | | Domestic | St Just | 2004 | 1 | 0.006 | 0 |
| Onshore wind | | Commercial | Liggars, Dobwalls | 2005 | 1 | 0.006 | |
| Onshore wind | Jubilee Wharf | Community | | 2006 | 4 | 0.024 | |
| Onshore wind | | Domestic | Bude | 2006 | 1 | 0.006 | 0 |
| Onshore wind | | Domestic | Lower Cadwin, Lanivet, Bodmin | 2006 | 1 | 0.005 | 0 |
| Onshore wind | South Wheatley Wind Project | Community | South Wheatley | 2006 | 1 | 0.015 | 0 |
| Onshore wind | Eden Project | Commercial | St Austell | 2006 | 1 | 0.005 | |
| Onshore wind | | Domestic | St Just | 2006 | 1 | 0.006 | |
| Onshore wind | | Domestic | Wadebridge | 2006 | 1 | 0.006 | 0 |
| Onshore wind | | Domestic | Carnmenellis, Redruth | 2007 | 1 | 0.006 | |
| Onshore wind | | Domestic | Lanlivery, Bodmin | 2007 | 1 | 0.006 | |
| Onshore wind | | Domestic | Paul nr Penzance | 2007 | 1 | 0.005 | |
| Onshore wind | | Domestic | Pendeen | 2007 | 1 | 0.005 | |
| Onshore wind | Roskrow Barton | Commercial | Penryn | 2007 | 2 | 1.7 | |
| Onshore wind | Tarn West | Social housing | Redruth | 2007 | 1 | 0.0010 | |
| Onshore wind | | Domestic | Sparnon Farm, Helston | 2007 | 1 | 0.006 | |
| Onshore wind | Dingle | Commercial | Bodmin | 2008 | 1 | 0.035 | |
| Onshore wind | | Domestic | Bosoughan, Newquay | 2008 | 1 | 0.006 | |
| Onshore wind | Gorran School | Community | Gorran | 2008 | 1 | 0.015 | |
| Onshore wind | | Commercial | Launceston | 2008 | 1 | 0.015 | |
| Onshore wind | Upton Cross School | Community | Liskeard | 2008 | 1 | 0.005 | |
| Onshore wind | | Domestic | Pendeen, St Just | 2008 | 1 | 0.006 | |
| Onshore wind | YMCA | Community | Penzance | 2008 | 1 | 0.001 | |
| Onshore wind | | Domestic | Porthtowan, Redruth | 2008 | 1 | 0.006 | |
| Onshore wind | | Community | Roseland | 2008 | 1 | 0.005 | |
| Onshore wind | | Domestic | Tremethick Cross, Penzance | 2008 | 1 | 0.006 | |
| Onshore wind | | Domestic | Trencreek, Newquay | 2008 | 1 | 0.006 | |
| Onshore wind | | Domestic | Wendron | 2008 | 1 | 0.0055 | |
| Onshore wind | Wooda Farm | Commercial | Crackington Haven | | | 0.006 | |
| Sewage gas | Liskeard Sewage Treatment Works | Commercial | Liskeard | find out | 1 | 0.06 | 0.12 |
| Sewage gas | St Erth Sewage Treatment Works | Commercial | St Erth, Hayle | find out | 1 | 0.335 | 0.67 |
| Small hydro | | Domestic | Callington | 1972 | 1 | 0.004 | 0 |
| Small hydro | | Domestic | Launceston | 1974 | 1 | 0.007 | 0 |
| Small hydro | | Domestic | Camelford | 1975 | 1 | 0.019 | 0 |
| Small hydro | | Commercial | Callington | 1976 | 1 | 0.08 | 0 |
| Small hydro | | Domestic | Blisland | 1977 | 1 | 0.02 | 0 |
| Small hydro | | Domestic | St Clether | 1978 | 1 | 0.005 | 0 |
| Small hydro | | Domestic | St Clether | 1978 | 1 | 0.003 | 0 |
| Small hydro | | Community | St Blazey | 1987 | 1 | 0.2 | 0 |
| Small hydro | | Domestic | Callington | 1991 | 1 | 0.003 | 0 |
| Small hydro | | Domestic | Launceston | 1991 | 1 | 0.009 | 0 |
| Small hydro | | Domestic | Launceston | 1991 | 1 | 0.03 | 0 |
| Small hydro | | Domestic | Callington | 1997 | 1 | 0.006 | 0 |
| Small hydro | | Domestic | Trecarrell Mill | 2000 | 1 | 0.03 | 0 |
| Small hydro | Trelubbas hydroelectric power plant | Commercial | Trelubbas, River Cober between Coverack Bridges & Lowertown (Lizard) | 2000 | 1 | 0.22 | 0 |
| Small hydro | Ponts Mill | Commercial | Blowinghouse Farm, Ponts Mill, Par, St Austell | 2001 | 1 | 0.25 | 0 |
| Small hydro | De Lank Quarry | Commercial | De Lank Quarry, St Breward, Bodmin | 2002 | 1 | 0.3 | |
| Small hydro | Kennal Vale | Commercial | Ponsanooth | 2006 | 1 | 0.24 | |
| Solar PV | | Domestic | The Old Chapel, Ladydowns, Newmill, Penzance, | 2000 | 1 | 0.0014 | |
| Solar PV | Threemilestone WI HQ (community building) | Community | Chy Noweth an Conteth, Truro Business Park, Threemilestone, Truro | 2003 | 1 | 0.005 | 0 |
| Solar PV | National Trust Cafe at Kynance Cove | Commercial | Kynance Cove, Lizard | 2003 | 1 | 0.007315 | 0 |
| Solar PV | CPR Learning Space (Education through space centre/ DfES's Classrooms of the Future) | Community | Camborne | 2004 | 1 | 0.008 | 0 |
| Solar PV | | Domestic | Halton Quay, St Dominic, Saltash | 2005 | 1 | 0.016 | |
| Solar PV | Renewables in Action - micro solar (lighting/art) | Community | Lanner, Mousehole and Hayle | 2005 | | | |
| Solar PV | | Social housing | Little Trethewey, St Levan (nr. Penzance) | 2005 | 2 | 0.0072 | 0 |
| Solar PV | Centre of Pendeen (Greener Pendeeners) - community building | Community | Pendeen, nr Penzance. Conservation area. | 2005 | 1 | 0.01072 | 0 |
| Solar PV | Eden Project | Commercial | St Austell | 2005 | 1 | 0.02864 | |
| Solar PV | Bugle Community Centre | Community | Bugle | 2006 | 1 | 0.0143 | |
| Solar PV | | Domestic | Hayle | 2006 | 1 | 0.0015 | 0 |
| Solar PV | | Domestic | Launceston | 2006 | 1 | 0.004 | 0 |
| Solar PV | | Domestic | Looe | 2006 | 1 | 0.00192 | |
| Solar PV | | Domestic | Pendeen | 2006 | 1 | 0.0043 | 0 |
| Solar PV | | Domestic | Perranporth | 2006 | 1 | 0.00396 | 0 |
| Solar PV | | Domestic | Camborne | 2007 | 1 | 0.002 | |
| Solar PV | Kerrier Council Offices | Community | Dolcoath Avenue, Camborne | 2007 | 1 | 0.0105 | |
| Solar PV | | Domestic | Falmouth | 2007 | 1 | 0.00416 | |
| Solar PV | One stop Shop | Community | Helston | 2007 | 1 | 0.004 | |
| Solar PV | | Domestic | Liskeard | 2007 | 1 | 0.0025 | |
| Solar PV | | Domestic | Penzance | 2007 | 1 | 0.001 | |
| Solar PV | | Domestic | Penzance | 2007 | 1 | 0.001 | |
| Solar PV | | Domestic | Penzance | 2007 | 1 | 0.00215 | |
| Solar PV | | Domestic | Penzance | 2007 | 1 | 0.002 | |
| Solar PV | | Domestic | Penzance | 2007 | 1 | 0.002 | |
| Solar PV | | Domestic | Penzance | 2007 | 1 | 0.0021 | |
| Solar PV | Davy house | Social housing | Penzance | 2007 | 8 | 0.0082 | |
| Solar PV | | Domestic | Praa Sands | 2007 | 1 | 0.00364 | |
| Solar PV | | Domestic | Redruth | 2007 | 1 | 0.002 | |
| Solar PV | Warleggan Jubilee Hall | Community | Mount, Nr Bodmin | 2008 | 1 | 0.0048 | |
| Solar PV | YMCA | Community | Penzance | 2008 | 1 | 0.004 | |
| Solar PV | | Domestic | Porthtowan, Redruth | 2008 | 1 | 0.002 | |
| Solar PV | Blisland Village Hall | Community | Blisland, Bodmin | find out | 1 | 0.0048 | 0 |
| Solar PV | Well Being Centre | Community | The Old School House, Churchtown, Illogan | 2005 | 1 | 0.0048 | 0 |
| Solar PV | | Domestic | Carnyorth | 2006 | 1 | 0.005 | |
| Solar PV | | Domestic | Crowlas, nr Penzance | 2006 | 1 | 0.001 | |
| Solar PV | | Domestic | Newlyn | 2006 | 1 | 0.003 | |
| Solar PV | | Domestic | St Levan, nr. Penzance | 2006 | 1 | 0.001 | |
| Solar thermal | | Domestic | St Columb Major | 1999 | 1 | 0 | 0.0016 |
| Solar thermal | | Domestic | Newquay | 2002 | 1 | 0 | 0.008 |
| Solar thermal | | Domestic | Chapel Amble, Wadebridge | 2004 | 1 | 0 | 0.016 |
| Solar thermal | Ayr Holiday Park | Commercial | Higher Ayr, St Ives | 2004 | 1 | 0 | 0.004 |
| Solar thermal | South Penquite Farm | Commercial | South Penquite Farm, Blisland, Bodmin | 2004 | 1 | 0 | 0.004 |
| Solar thermal | Camping Caradon Touring Park | Commercial | Trelawne, Looe, Cornwall | 2004 | 1 | 0 | 0.004 |
| Solar thermal | Trewan Hall Camping Site | Commercial | Trewan Hall Camping Site, St Columb | 2004 | 1 | 0 | 0.01 |
| Solar thermal | Mount Pleasant Eco Park | Commercial | Truro | 2004 | 1 | 0 | 0.01 |
| Solar thermal | | Domestic | Lodge Hill, Liskeard | 2005 | 1 | | 0.0025 |
| Solar thermal | St Mawes School | Community | Roseland Peninsula | 2005 | 1 | | 0.001 |
| Solar thermal | Jubilee Wharf | Community | | 2006 | 8 | | 0.032 |
| Solar thermal | | Domestic | Bodmin | 2006 | 1 | | 0.0022 |
| Solar thermal | | Domestic | Bodmin | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Bude | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Bugle | 2006 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Callington | 2006 | 1 | | 0.0012 |
| Solar thermal | | Domestic | Carnon Downs | 2006 | 1 | | 0.003 |
| Solar thermal | | Domestic | Chacewater | 2006 | 1 | | 0.003 |
| Solar thermal | | Domestic | Falmouth | 2006 | 1 | | 0.003 |
| Solar thermal | | Domestic | Falmouth | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Falmouth | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Goonhavern | 2006 | 1 | | 0.005 |
| Solar thermal | | Domestic | Gorran Haven | 2006 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Helston | 2006 | 1 | | 0.0072 |
| Solar thermal | | Domestic | Helston | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Helston | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Hessenford | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Kilkhampton | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Landrake | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Launceston | 2006 | 1 | | 0.0011 |
| Solar thermal | | Domestic | Launceston | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Launceston | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Lewannick | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Mevagissey | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Mount Hawke | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Padstow | 2006 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Padstow | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Padstow | 2006 | 1 | | 0.0012 |
| Solar thermal | | Domestic | Penzance | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Pipers Pool | 2006 | 1 | | 0.0024 |
| Solar thermal | Mill Yard 2 | Domestic | Ponsanooth | 2006 | 1 | | 0.0025 |
| Solar thermal | Mill Yard | Domestic | Ponsanooth | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Portreath | 2006 | 1 | | 0.0012 |
| Solar thermal | | Domestic | Praa Sands | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Redruth | 2006 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Seaton | 2006 | 1 | | 0.0025 |
| Solar thermal | Blue Hills Park | Commercial | St Agnes | 2006 | 1 | | 0.00236 |
| Solar thermal | | Domestic | St Agnes | 2006 | 1 | | 0.00145 |
| Solar thermal | | Domestic | St Agnes | 2006 | 1 | | 0.00188 |
| Solar thermal | | Domestic | St Martin | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | St Mawes | 2006 | 1 | | 0.0012 |
| Solar thermal | | Domestic | St Mellion | 2006 | 1 | | 0.0048 |
| Solar thermal | | Domestic | St Wenn | 2006 | 1 | | 0.002 |
| Solar thermal | | Domestic | Tregony | 2006 | 1 | | 0.00236 |
| Solar thermal | | Domestic | Truro | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Truro | 2006 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Truro | 2006 | 1 | | 0.0022 |
| Solar thermal | | Domestic | Wadebridge | 2006 | 1 | | 0.0144 |
| Solar thermal | | Commercial | Bodmin | 2007 | 1 | | 0.0028 |
| Solar thermal | | Commercial | Bodmin | 2007 | 1 | | 0.0022 |
| Solar thermal | | Commercial | Bude | 2007 | 2 | | 0.0028 |
| Solar thermal | | Domestic | Bude | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Bude | 2007 | 1 | | 0.0024 |
| Solar thermal | | Social housing | Bude | 2007 | 1 | | 0.0028 |
| Solar thermal | | Social housing | Bude | 2007 | 1 | | 0.0028 |
| Solar thermal | | Commercial | Callington | 2007 | 1 | | 0.0012 |
| Solar thermal | | Domestic | Callington | 2007 | 1 | | 0.0036 |
| Solar thermal | | Domestic | Callington | 2007 | 1 | | 0.0098 |
| Solar thermal | | Domestic | Calstock | 2007 | 1 | | 0.0028 |
| Solar thermal | | Domestic | Camelford | 2007 | 1 | | 0.0013 |
| Solar thermal | | Domestic | Falmouth | 2007 | 1 | | 0.0014 |
| Solar thermal | | Domestic | Falmouth | 2007 | 1 | | 0.0392 |
| Solar thermal | | Domestic | Gorran Haven | 2007 | 1 | | 0.0012 |
| Solar thermal | | Domestic | Grampound, Truro | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Hayle | 2007 | 1 | | 0.0013 |
| Solar thermal | | Domestic | Helston | 2007 | 1 | | 0.0013 |
| Solar thermal | | Domestic | Kilkhampton | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Launceston | 2007 | 1 | | 0.0014 |
| Solar thermal | | Domestic | Leedstown | 2007 | 1 | | 0.002 |
| Solar thermal | | Domestic | Liskeard | 2007 | 1 | | 0.0126 |
| Solar thermal | | Commercial | Lizard | 2007 | 1 | | 0.0078 |
| Solar thermal | | Domestic | Lostwithiel | 2007 | 1 | | 0.0033 |
| Solar thermal | | Domestic | Manaccan | 2007 | 1 | | 0.0036 |
| Solar thermal | | Domestic | Nancekuke | 2007 | 1 | | 0.0011 |
| Solar thermal | | Domestic | North Hill, Launceston | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Penzance | 2007 | 1 | | 0.0013 |
| Solar thermal | | Domestic | Penzance | 2007 | 1 | | 0.0013 |
| Solar thermal | | Domestic | Penzance | 2007 | 1 | | 0.0013 |
| Solar thermal | | Domestic | Penzance | 2007 | 1 | | 0.0015 |
| Solar thermal | | Commercial | Polzeath | 2007 | 1 | | 0.0022 |
| Solar thermal | | Domestic | Ponsanooth | 2007 | 1 | | 0.0011 |
| Solar thermal | | Domestic | Porthtowan | 2007 | 1 | | 0.003 |
| Solar thermal | | Domestic | Portreath | 2007 | 1 | | 0.0011 |
| Solar thermal | | Domestic | Praze an Beeble | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Redruth | 2007 | 1 | | 0.0013 |
| Solar thermal | New build | Domestic | St Austell | 2007 | 1 | 0.01 | |
| Solar thermal | | Domestic | St Austell | 2007 | 1 | | 0.0022 |
| Solar thermal | | Domestic | St Columb Minor | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | St Ewe | 2007 | 1 | | 0.0048 |
| Solar thermal | | Domestic | St Ives | 2007 | 1 | | 0.0013 |
| Solar thermal | | Domestic | St Keyne, Liskeard | 2007 | 1 | | 0.0012 |
| Solar thermal | | Domestic | St Mawes | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Tideford, Saltash | 2007 | 1 | | 0.0033 |
| Solar thermal | | Commercial | Truro | 2007 | 1 | | 0.0120 |
| Solar thermal | | Domestic | Truro | 2007 | 1 | | 0.0028 |
| Solar thermal | | Domestic | Upton Cross | 2007 | 1 | | 0.0024 |
| Solar thermal | | Commercial | Wadebridge | 2007 | 1 | | 0.0056 |
| Solar thermal | | Domestic | Widegates, Looe | 2007 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Bisso | 2008 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Bodmin | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Bodmin | 2008 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Bodmin | 2008 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Bodmin | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | Bodmin | 2008 | 1 | | 0.0036 |
| Solar thermal | | Domestic | Boswarthan | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Boswarthan, Penzance | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Bude | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Bude | 2008 | 1 | | 0.00112 |
| Solar thermal | | Domestic | Callington | 2008 | 1 | | 0.004 |
| Solar thermal | | Domestic | Callington | 2008 | 1 | | 0.004 |
| Solar thermal | | Domestic | Calstock | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | Camborne | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | Carnon Downs | 2008 | 2 | | 0.0032 |
| Solar thermal | | Domestic | Chacewater | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Falmouth | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Falmouth | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Falmouth | 2008 | 2 | | 0.0032 |
| Solar thermal | | Domestic | Falmouth | 2008 | 1 | | 0.006 |
| Solar thermal | | Commercial | Gorran | 2008 | 1 | | 0.0096 |
| Solar thermal | | Domestic | Gorran Haven | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Grampound Road | 2008 | 1 | | 0.0046 |
| Solar thermal | | Domestic | Gwithian | 2008 | 1 | | 0.0030 |
| Solar thermal | | Domestic | Hayle | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Helston | 2008 | 1 | | 0.004 |
| Solar thermal | | Domestic | Helston | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Helston | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Launceston | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Launceston | 2008 | 1 | | 0.0039 |
| Solar thermal | | Domestic | Liskeard | 2008 | 1 | | 0.0014 |
| Solar thermal | | Domestic | Liskeard | 2008 | 2 | | 0.0032 |
| Solar thermal | | Domestic | Liskeard | 2008 | 1 | | 0.0026 |
| Solar thermal | | Domestic | Lizard | 2008 | 1 | | 0.001 |
| Solar thermal | | Domestic | Lizard | 2008 | 1 | | 0.004 |
| Solar thermal | | Commercial | Looe | 2008 | 1 | | 0.0045 |
| Solar thermal | | Domestic | Looe | 2008 | 1 | | 0.0014 |
| Solar thermal | Rose in Vale Hotel | Commercial | Mithian | 2008 | 1 | | 0.011 |
| Solar thermal | | Domestic | Mullion | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | New Polzeath | 2008 | 1 | | 0.0036 |
| Solar thermal | | Commercial | Newlyn | 2008 | 1 | | 0.0036 |
| Solar thermal | | Domestic | Newquay | 2008 | 1 | | 0.0030 |
| Solar thermal | | Commercial | Padstow | 2008 | 1 | | 0.0446 |
| Solar thermal | | Domestic | Padstow | 2008 | 1 | | 0.0036 |
| Solar thermal | | Domestic | Penzance | 2008 | 1 | | 0.0067 |
| Solar thermal | | Domestic | Penzance | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Penzance | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Penzance | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Penzance | 2008 | 1 | 0.006 | |
| Solar thermal | | Domestic | Penzance | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | Penzance | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | Perranporth | 2008 | 2 | | 0.0032 |
| Solar thermal | | Domestic | Perranwell Station | 2008 | 1 | | 0.0065 |
| Solar thermal | | Commercial | Polzeath | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Porkellis | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | Porthcurno, Penzance | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Porthleven | 2008 | 1 | | 0.0067 |
| Solar thermal | | Commercial | Porthtowan | 2008 | 1 | | 0.006 |
| Solar thermal | | Domestic | Praa Sands | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Probus | 2008 | 1 | | 0.0065 |
| Solar thermal | | Domestic | Probus | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | St Agnes | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | St Agnes | 2008 | 1 | | 0.004 |
| Solar thermal | | Domestic | St Agnes | 2008 | 1 | | 0.004 |
| Solar thermal | | Domestic | St Agnes, Truro | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | St Austell | 2008 | 1 | | 0.0020 |
| Solar thermal | | Commercial | St Buryan | 2008 | 1 | | 0.0223 |
| Solar thermal | | Domestic | St Buryan | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | St Buryan | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | St Buryan | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | St Clether | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | St Columb | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | St Columb | 2008 | 1 | | 0.0025 |
| Solar thermal | | Commercial | St Erth | 2008 | 1 | | 0.013 |
| Solar thermal | | Domestic | St Gennys | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | St Ives | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | St Just | 2008 | 1 | | 0.0016 |
| Solar thermal | | Domestic | St Just | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | St Just | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | St Just | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | St Merryn | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | St Merryn | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | St Newlyn East | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Tintagel | 2008 | 1 | | 0.0036 |
| Solar thermal | | Domestic | Tremorcoombe | 2008 | 1 | | 0.0014 |
| Solar thermal | | Domestic | Trewen | 2008 | 1 | | 0.006 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.0045 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.0067 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Truro | 2008 | 2 | | 0.005 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.0025 |
| Solar thermal | | Domestic | Truro | 2008 | 1 | | 0.0024 |
| Solar thermal | | Domestic | Wadebridge | 2008 | 1 | | 0.003 |
| Solar thermal | | Domestic | Wadebridge | 2008 | 1 | | 0.002 |
| Solar thermal | | Domestic | Wadebridge | 2008 | 1 | | 0.003 |
| WSHP | Mill House Hydro | Domestic | Mill House, Rashleigh Estate, Fowey | 2003 | 1 | n | 0.02 |