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International Environmental Standards, PBC
International Environmental Standards, PBC, known as Project Canary, is a Denver, Colorado public benefit corporation selling continuous emissions monitoring and TrustWell gas certification to oil and gas operators.
International Hydropower Association
The International Hydropower Association (IHA) is a London-based non-profit organization, founded in 1995, representing the hydropower sector and advancing sustainable hydropower through advocacy and research.
International Nuclear and Radiological Event Scale
The International Nuclear and Radiological Event Scale (INES) is a logarithmic scale from 0 to 7, created in 1990 by the IAEA and the OECD/NEA to communicate the safety significance of nuclear and radiological events.
International Performance Measurement and Verification Protocol
The International Performance Measurement and Verification Protocol (IPMVP) is a framework of definitions and four options for verifying energy and water savings, maintained by the Efficiency Valuation Organization.
International Petroleum Corporation
International Petroleum Corporation is a Canadian oil and gas exploration and production company in the Lundin Group, created in 2017 from a Lundin Petroleum spin-off.
International Radiation Protection Association
The International Radiation Protection Association (IRPA), formed in 1965, is an association of radiation protection practitioners joining through 53 national and regional societies in 68 countries, holding an international congress about every four years.
International Renewable Energy Agency
The International Renewable Energy Agency (IRENA) is an intergovernmental organization founded in Bonn in 2009 and headquartered in Abu Dhabi that supports countries in switching to renewable energy.
International Solar Energy Society
The International Solar Energy Society (ISES), founded in 1954, is the world's longest-standing solar organization, with members in over 110 countries, advocating a transition to 100% renewable energy.
International Sustainability and Carbon Certification
International Sustainability and Carbon Certification (ISCC) is a certification system, operated by ISCC System GmbH, verifying sustainability and greenhouse gas performance of feedstocks and fuels through third-party audits.
Interphase power controller
The interphase power controller (IPC) is a passive FACTS device that controls power flow between AC transmission networks, introduced in 1994 at CITEQ in Varennes, Quebec.
Intersolar Europe
Intersolar Europe is one of the world's largest solar industry exhibitions, held annually at Messe München in Munich and covering photovoltaics, solar thermal, and storage.
Interstate Power and Light Company
Interstate Power and Light Company is an investor-owned utility headquartered in Cedar Rapids, Iowa, that supplies electricity and natural gas to roughly 490,000 electric and 225,000 gas customers in Iowa.
Intesar-Brega Gas Pipeline
The Intesar-Brega Gas Pipeline (خط غاز الإنتصار 103 أ) is a 207-mile Libyan gas pipeline from the Intesar 103A field to Brega, operated by Zueitina Oil Company.
Intisar-Zueitina Oil Pipeline
The Intisar-Zueitina Oil Pipeline is a crude oil pipeline in Libya running from the Intisar oilfield in the Sirte Basin to the Zueitina terminal on the Gulf of Sidra.
Invenergy
Invenergy is a privately held American energy company headquartered in Chicago, founded by Michael Polsky in 2001, describing itself as North America's largest privately held independent power producer.
Inverted organic solar cell
An inverted organic solar cell reverses the conventional layer order of an organic solar cell, placing the electron-collecting cathode on the substrate for better air stability.
Inverted perovskite solar cell
An inverted perovskite solar cell is a perovskite photovoltaic device built in the p-i-n layer order, reversing conventional n-i-p stacking, with certified efficiencies exceeding 27%.
Inverter air conditioner
An inverter air conditioner runs its compressor at continuously variable speeds via an inverter, instead of cycling on and off, first launched by Toshiba in 1980.
Inverter model
An inverter model is a mathematical or simulation representation of a power inverter, used in power system engineering, with fidelity levels from switched models, through averaged circuits, to positive-sequence phasor models.
Investigations into the Chernobyl disaster
The investigations into the Chernobyl disaster are the official and scientific inquiries into the 26 April 1986 explosion of Chernobyl Unit 4, moving from blaming operators to blaming design.
Investment tax credit (United States)
The investment tax credit is a US federal tax credit under Section 48 of the Internal Revenue Code that subsidizes eligible clean energy property by a percentage of its cost.
ION Geophysical
ION Geophysical was an American seismic technology company for oil and gas exploration, founded in 1968 as Input/Output and reorganized after filing for bankruptcy in 2022.
Ion migration (perovskite solar cells)
Ion migration in perovskite solar cells is the movement of ions such as iodide through the soft perovskite lattice, causing current–voltage hysteresis and long-term degradation.
ioneer
Ioneer is a mining developer whose flagship Rhyolite Ridge project in Nevada is designed to co-produce lithium carbonate and boric acid from a single deposit.
Ionic capacitance in perovskite solar cells
Ionic capacitance in perovskite solar cells is a very large, slow capacitance arising from mobile ions, prominent since 2015 and a key cause of current–voltage hysteresis in measurements.
Ionic liquid electrolytes for lithium and sodium cells
Ionic liquid electrolytes are battery electrolytes in which the solvent is a room-temperature ionic liquid, offering nonflammability and high stability but suffering high viscosity and low conductivity.
Ionic liquid pretreatment
Ionic liquid pretreatment uses ionic liquids, salts that melt below 100 °C, to dissolve lignocellulosic biomass so cellulose, hemicellulose, and lignin can be converted to fuels like ethanol.
Ionity
Ionity is a European joint venture, founded in 2017 by BMW, Daimler, Ford, and Volkswagen, that operates high-power EV charging stations along highways in 24 countries.
Ionna
Ionna is an electric vehicle fast-charging network in North America, founded by seven automakers including BMW, General Motors, and Mercedes-Benz, targeting 30,000 charging bays by 2030.
Ionogel
An ionogel is a soft composite in which an ionic liquid is confined in a polymer network, combining liquid-like ionic conductivity with solid form for sensors and batteries.