Growth of Global Solar and Wind Energy

3 Ott

by Merrijn Knibbe,  Real world economics review blog, August 16, 2013

From the Worldwatch Institute

459-0-20130802_101636_4EB800A1Global use of solar and wind energy continued to grow significantly in 2012. Solar power consumption increased by 58 percent, to 93 terrawatt-hours (TWh).1 Use of wind power increased in 2012 by 18.1 percent, to 521.3 TWh.2

Although hydropower remains the world’s leading renewable energy, solar and wind continue to dominate investment in new renewable capacity. They are quickly becoming the highest-profile renewable energies. And since most renewable energy policies worldwide focus on one or both of these resources, it is important to consider them together.

Global solar and wind energy capacities continued to grow even though new investments in these energy sources declined during 2012. Global investment in solar energy in 2012 was $140.4 billion, an 11 percent decline from 2011, and wind investment was down 10.1 percent, to $80.3 billion.3 (See Figure 1.) But due to lower costs for both technologies, total installed capacities grew sharply.

Solar and wind investiments 2004-2012

Solar and wind investiments 2004-2012

Annunci

Una Risposta to “Growth of Global Solar and Wind Energy”

  1. enzo pace 4 ottobre 2013 a 09:49 #

    un’idea (non saprei dire quanto valida): munire tutti i tralicci Enel (a migliaia esistenti sul territorio italiano) di un certo numero di pannelli solari immettendo direttamente nella rete -se tecnicamente possibile- il quantitativo di energia prodotta!…. l’uovo di Colombo ?….chissà…varrebbe la pena interpellare un tecnico ?…l’idea, se valida, potrebbe contribuire ad ulteriori incrementi…….

Rispondi

Inserisci i tuoi dati qui sotto o clicca su un'icona per effettuare l'accesso:

Logo WordPress.com

Stai commentando usando il tuo account WordPress.com. Chiudi sessione / Modifica )

Foto Twitter

Stai commentando usando il tuo account Twitter. Chiudi sessione / Modifica )

Foto di Facebook

Stai commentando usando il tuo account Facebook. Chiudi sessione / Modifica )

Google+ photo

Stai commentando usando il tuo account Google+. Chiudi sessione / Modifica )

Connessione a %s...

%d blogger hanno fatto clic su Mi Piace per questo: