LEAP:Long range Energy Alternatives Planning System
LEAP: the Long range Energy Alternatives Planning system, is a proprietary, Windows-based software system for energy and environmental policy analysis. It is widely used for integrated energy planning and climate change mitigation analysis and has been applied in hundreds of different organizations in over 140 countries.

LEAP is developed and supported by the U.S. Center
Stockholm Environment Institute US Center
The Stockholm Environment Institute is an international research organization focusing on the issue of sustainable development. SEI has its headquarters in Stockholm with a network structure of permanent and associated staff worldwide and with centres the US, York , Oxford , Tallinn , and Asia...

 of the Stockholm Environment Institute
Stockholm Environment Institute
The Stockholm Environment Institute, or SEI, is a non-profit, independent research and policy institute specialising in sustainable development and environmental issues.-Mission:...

, a non-profit research institute based at Tufts University
Tufts University
Tufts University is a private research university located in Medford/Somerville, near Boston, Massachusetts. It is organized into ten schools, including two undergraduate programs and eight graduate divisions, on four campuses in Massachusetts and on the eastern border of France...

 in Somerville, Massachusetts.
Most recently LEAP has been chosen by 85 countries as the main modeling tool for the climate change mitigation assessments that will be presented to the United Nations Framework Convention on Climate Change (UNFCCC)

LEAP is distributed at no charge to not-for-profit, academic and governmental organizations based in developing countries.
  • Carbon accounting
    Carbon accounting
    Carbon accounting is the accounting process undertaken to measure the amount of carbon dioxide equivalents that will not be released into the atmosphere as a result of Flexible Mechanisms projects under the Kyoto Protocol. These projects thus include renewable energy projects and biomass, forage...

  • Energy planning
    Energy planning
    Energy planning has a number of different meanings. However, one common meaning of the term is the process of developing long-range policies to help guide the future of a local, national, regional or even the global energy system...

  • Energy planning software
  • LEAP
    Leap may refer to:* Jumping* Leap , a 2004 album by progressive jazz group Drop Trio* Leap , a melodic interval* Leap, County Cork, a village in Ireland* Leap, County Laois, a townland in County Laois, Ireland...

    (Other definitions of the acronym LEAP)