sábado, 21 de julho de 2012

Leasing e Power Purchase Agreements para PV: Mecanismos Financeiros

Este é um tema que encontrei num site por acaso e que achei que seria interessante investigar. 

Face ao investimento que é necessário na aquisição de painéis PV numa habitação, muitas vezes sendo um entrave para a proliferação desta "fonte" de energia, é importante criar mecanismos que resolvam esta situação.

"The single biggest barrier to the adoption of solar power has always been the high upfront cost of getting a system onto your roof. Did you know that approximately 90% of the lifetime cost of a home solar system involves payments for panels and installation?"1

Para combater estes problemas, mecanismos financeiros como Leasings e Power Purchase Agreement (PPA) são utilizados como instrumentos facilitadores.

Exemplo de leasing, o caso da empresa Sungevity's Solar

"Sungevity’s Solar Lease allows you to go solar without the upfront cost. For no money down, we will design and install a system customized for your home, then lease the panels to you for a low monthly rate.

Instant Savings
Little or no upfront cost means little or no waiting for your investment to pay for itself. The combined cost of your lease payment plus the cost of your new electricity bill will likely be less than the cost of your old electricity bill (...) and these saving will grow over time.

Guaranteed Output
(...)you don't have to worry about whether or not your system is producing power as it should. (...)we’ll guarantee in writing how much energy your system will produce each year and, if we fall short, we’ll pay you for the difference.  (...)

Full-Service Solar
(...) we monitor, maintain, and insure our systems at no additional cost. Our proactive monitoring enables us to be the first to know if your system isn't performing as expected. If something is amiss, we’ll fix it - whether it involves repairing an inverter or replacing panels. (...)"1

"With a power purchase agreement (PPA), you don’t have to buy expensive solar panels and inverters, or pay for installation, permitting, and repairs. Instead, a PPA lets you pay for the electricity the panels generate. It’s the easiest and most affordable way for homeowners to upgrade to solar.

How a solar PPA works

  • Sunrun purchases a solar system and has it installed on your roof.
  • Sunrun takes complete care of the equipment for 20 years.
  • You pay little to nothing upfront, and then a fixed rate for the energy your panels produce.

Advantages of solar PPAs

  • You don’t need to pay a lot of money upfront. But, if you have savings you’d like to use, you can invest more upfront and pay an even lower rate for your solar electricity.
  • You don’t need to worry about installation, monitoring, or repairs - we take care of all that.
  • You pay only for what your system produces. When your system produces less, you pay less."2
"With this business model, the host customer buys the services produced by the PV system rather than the PV system itself."3

Exemplo de PPA, o caso da empresa SunRun

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