Archived Distributed Generation Executive Orders
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Below is an archive of expired DG certifications. These technologies can no longer be sold in California unless permitted by a local air district.
Expired Certifications
| Company Name | Technology | Standards Certified To | Fuel | Executive Order | Expiration Date |
| Bloom Energy | 125 kW, ES-5410 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-042 | April 24, 2018 |
| Bloom Energy | 250 kW, ES-5710 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-043 | April 22, 2018 |
| Bloom Energy | 100 kW, ES-5400 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-041 | January 30, 2018 |
| Bloom Energy | 100 kW, ES-5000 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-037 | June 14, 2017 |
| Bloom Energy | 200 kW, ES-5700 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-036 | September 21, 2016 |
| Capstone Turbine Corporation | 200 kW, C200 ICHP MicroTurbine | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-035 | September 21, 2016 |
| Capstone Turbine Corporation | 200 kW, CR200 Low Btu MicroTurbine | 2008 Waste Gas Emission Standards | Landfill Gas | DG-032-A | January 1, 2013 |
| Capstone Turbine Corporation | 200 kW, CR200 Medium Btu MicroTurbine | 2008 Waste Gas Emission Standards | Digester Gas | DG-031-A | January 1, 2013 |
| Capstone Turbine Corporation | 65 kW, C65 High Btu MicroTurbine | 2008 Waste Gas Emission Standards | Oil Field Waste Gas | DG-030-A | January 1, 2013 |
Capstone Turbine Corporation | 65 kW, CR65 Digester Gas Microturbine | 2008 Waste Gas Standards | Digester Gas | DG-021-A | January 1, 2013 |
| Capstone Turbine Corporation | 65 kW, CR65 Landfill Gas Microturbine | 2008 Waste Gas Standards | Landfill Gas | DG-020-A | January 1, 2013 |
| Capstone Turbine Corporation | 60 kW, C60 MicroTurbine | 2003 Fossil Fuel Emission Standards | Natural Gas | DG-002 | December 31, 2006 |
| Carrier Corporation | 390 kW, PureComfort® System Model 390MC Absorption Chiller | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-025-A | June 10, 2018 |
| Carrier Corporation | 325 kW, PureComfort® System Model 325MC Absorption Chiller | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-024-A | June 10, 2018 |
| Carrier Corporation | 260 kW, PureComfort® System Model 260MC Absorption Chiller | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-023-A | June 10, 2018 |
| Carrier Corporation | 195 kW, PureComfort® System Model 195MC Absorption Chiller | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-022-A | June 10, 2018 |
| Doosan Fuel Cell America, Inc. | 460 kW, PureCell® System Model 400 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-047 | April 5, 2023 |
| Doosan Fuel Cell America, Inc. | 440 kW, PureCell® System Model 400 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-040-A | December 26, 2022 |
| FlexEnergy Energy Systems | 250 kW, 250SM Microturbine | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-009-A | November 15, 2022 |
| FlexEnergy Energy Systems | 250 kW, 250ST Digester Gas Microturbine | 2008 Waste Gas Standards | Digester Gas | DG-028-B | January 1, 2013 |
| FlexEnergy Energy Systems | 250 kW, 250SW Landfill Gas Microturbine | 2008 Waste Gas Standards | Landfill Gas | DG-027-B | January 1, 2013 |
| FlexEnergy Inc. | 250kW, 250ST Microturbine | 2008 Waste Gas Emission Standard | Digester Gas | DG-039 | January 1, 2013 |
| FuelCell Energy, Inc. | 2.8 MW, SureSource 3000 Fuel Cell | 2013 Waste Gas Standards | Digester Gas | DG-048 | December 20, 2022 |
FuelCell Energy, Inc | 1.4 MW, SureSource 1500 Fuel Cell | 2013 Waste Gas Standards | Digester Gas | DG-046 | October 5, 2022 |
| FuelCell Energy, Inc. | 300 kW, DFC300MA/C300 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-013 | January 9, 2021 |
| FuelCell Energy, Inc. | 1.2 MW, DFC1500B Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-026 | June 10, 2013 |
| FuelCell Energy, Inc. | 1.2 MW, DFC1500MA Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-019 | November 30, 2012 |
| FuelCell Energy, Inc. | 250 kW, DFC300MA Fuel Cell | 2007 Fossil Fuel Standards | Natural Gas | DG-010 | December 16, 2009 |
| FuelCell Energy, Inc. | 1 MW, DFC1500 Fuel Cell | 2007 Fossil Fuel Standards | Natural Gas | DG-007 | September 13, 2008 |
| FuelCell Energy, Inc. | 250 kW, DFC300A Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-003 | May 7, 2007 |
| Ingersoll-Rand Energy Systems | 70 kW, 70 LM Microtubine, version WD | 2003 with Combined Heat and Power | Natural Gas | DG-005 | December 31, 2006 |
| Ingersoll-Rand Energy Systems | 70 kW, 70LM Microturbine, version C | 2003 Fossil Fuel Emission Standards | Natural Gas | DG-004-A | December 31, 2006 |
| Plug Power Inc. | 5 kW, GenSys™ 5C Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-006 | July 16, 2008 |
| Turbec AB | 100 kW, T100 Microturbine CHP System | 2003 Fossil Fuel Emission Standards | Natural Gas | DG-008 | December 31, 2006 |
| United Technologies Corporation Fuel Cells | 200 kW, PureCell® System Model 200 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-001 | January 29, 2011 |
| UTC Power Corporation | 400 kW, PureCell® System Model 400 Fuel Cell | 2007 Fossil Fuel Emission Standards | Natural Gas | DG-029 | February 17, 2015 |
Expired Voluntary Certifications
| Company Name | Technology | Standards Certified To | Fuel | Executive Order | Expiration Date |
| Altergy Systems | 5 kW, Freedom Power FPS5 Fuel Cell | Zero Emissions | Hydrogen Gas | DG-016 | July 13, 2017 |
| Altergy Systems | 1 kW, Freedom Power FPS1 Fuel Cell | Zero Emissions | Hydrogen Gas | DG-015 | July 13, 2011 |
| Altergy Systems | 1 kW, Freedom Power 1S Fuel Cell | Zero Emissions | Hydrogen Gas | DG-014 | July 13, 2011 |
| Energent Corporation | 275 kW MicroSteam Power System Gas Turbine | Zero Emissions | Steam / Compressed Gas | DG-017 | July 13, 2011 |
| ReliOn, Inc. | 1.2 kW, T-1000 Hydrogen-Fueled Fuel Cell | Zero Emissions | Hydrogen Gas | DG-012 | December 5, 2010 |
| ReliOn, Inc. | 2 kW, T-2000 Hydrogen-Fueled Fuel Cell | Zero Emissions | Hydrogen Gas | DG-011 | December 5, 2010 |