Difference between revisions of "National Approaches to Electrification – Technology"

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Revision as of 14:37, 20 June 2018

NAE Overview Page

Category Dashboard:

TechnologyTechnology: Grid ExtensionTechnology: Grid-Connected Mini-Grid/Distribution SystemTechnology: Isolated Mini-GridTechnology: Standalone SystemsDelivery ModelDelivery Model: PublicDelivery Model: Private (Non-Government)Delivery Model: Public-Private PartnershipLegal BasisLegal Basis: ConcessionLegal Basis: LicenseLegal Basis / Price/Tariff Regulation: UnregulatedPrice/Tariff RegulationPrice/Tariff Regulation: UniformPrice/Tariff Regulation: IndividualFinanceFinance: PrivateFinance : UserFinance: Grants & SubsidiesFinance: Cross-SubsidiesFinance: Tax ExemptionsFinance: GuaranteesNon-Financial InterventionsNon-Financial Interventions: Direct Energy Access ProvisionNon-Financial Interventions: Institutional RestructuringNon-Financial Interventions: Regulatory ReformNon-Financial Interventions: Policy & Target SettingNon-Financial Interventions: Quality & Technical StandardsNon-Financial Interventions: Technical AssistanceNon-Financial Interventions: Capacity Building & Awareness RaisingNon-Financial Interventions: Market InformationNon-Financial Interventions: Demand PromotionNon-Financial Interventions: Technology Development & AdoptionNon-Financial Interventions: National Energy PlanningNational Approaches to Electrification – Technology Page.png]]


Technology: The physical means by which electricity is generated, transmitted and distributed

Grid-connected mini-grids and distribution systems  share characteristics with both Grid Extension and Isolated Mini-grids – They are linked to the grid system and are able to import electricity from and export electricity to it, so technically they have more in common with Grid Extension. However, in that they are owned and managed independently they are more similar to Isolated Mini-grids. These differences call for different policy and regulatory approaches, so a separate Technology category has been established.


Grid Extension

Definition:

Establishment and extension to new users of a system that connects electricity generation plants to consumers via a transmission and distribution network across the country.

Grid systems draw on a variety of generation sources, from nuclear and hydro-power to coal, oil and combined-cycle gas turbines and solar- and wind-power. Each form of generation has different characteristics in terms of flexibility, reliability and costs. A mix of generation sources is required to match generation to demand, with over-reliance on any one form of generation risking lengthy outages (for example, a drought can significantly affect a predominantly hydro-powered grid system). Technology advances, combined with environmental concerns, have led to an increasing focus over recent years on Renewable Energy based generation. Transmission and distribution system designs also vary, with low-cost distribution technologies such as Single Wire Earth return (SWER) being used to reduce costs in remote areas.


Internactions wiht other NAE Categories:


 Delivery Model

Legual Basis

Price/Tariff Regulation

Finance

Non-Financial Interventions


Grid-Connected Mini-Grids/Distributed System

Definition:

An electricity system connected to, but owned and/or separately managed from, the main grid system which supplies electricity to users within a local area.


Isolated Mini-Grids

Definition:

A system for generation and distribution of electricity to multiple users which is not connected to the main grid system.


Standalone Systems

Definition:

A system for generating and supplying electricity to a single user (separate from any distribution system).



NAE Overview Page
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