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Brazil: what's the real cost of PV energy?

Brazil: what's the real cost of PV energy?

The official auctions of energy produced by solar farms show that the price is in the range of R$ 100 / MWh. (1 USD = R$ 4 in rough numbers). order to make solar energy feasible, we need to have "backup" energy from other sources so that when there is no sun the customer will continue to receive electricity normally.

A back up power plant has an associated investment of R$ 5 thousand/kW installed. Its monthly amortization is therefore around R$ 120/MWh.

Thus the cost of energy that comes from solar but with the backing of a "firm" plant reaches R$ 220/MWh. If the backup plant involves fuel (natural gas, as ANEEL is venturing) there will still be an extra cost.

Rafael Herzberg's picture

Thank Rafael for the Post!

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Matt Chester's picture
Matt Chester on Oct 16, 2019 1:55 pm GMT

How would your estimates change if you're just looking at small-scale solar at a commercial/industrial/residential area?

Rafael Herzberg's picture
Rafael Herzberg on Oct 16, 2019 6:19 pm GMT

Small scale PV has been sold at slightly lower than regulated rates - in terms of $/kWh - and mainly associated to areas where local utility companies are granted very high rates ( is one of such cases)

Noam Mayraz's picture
Noam Mayraz on Oct 17, 2019 2:15 am GMT

Rafael Herzberg - your presentation is correct.  Period. 

The politicians and the fake media are trying hard to bury the true cost - they are using the cost at the solar PV terminals, not at the delivery to the customer point.

Cheap and obvious "treat and trick" - the gullible public is out of lack - due to lack of knowledge - the public just buy the misleading excuse.  You are a gentleman and a scholar.  Noam. 

Rafael Herzberg's picture
Rafael Herzberg on Oct 17, 2019 6:25 pm GMT

Hi Noam, thanks for your comment. I totally agree with you! 

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