Direct ownership looks financially attractive in Brazil’s free market
A new study focused on Brazil’s Free Contracting Environment suggests that large industrial consumers may be able to cut electricity costs more aggressively through solar self-generation than through long-term power purchase agreements. According to the supplied source text, researchers from the Federal University of Ceará and the Federal University of São João del-Rei compared PPAs with self-production models and found that direct investment in photovoltaic plants offered the highest potential savings.
The headline number is striking. The candidate metadata says solar self-generation could deliver savings of up to 32.9 percent. For energy-intensive businesses, that level of cost reduction is large enough to change procurement strategy, capital planning, and risk tolerance. It also reinforces how far distributed and dedicated renewable generation have moved from sustainability add-on to financial instrument.
The paper does not present self-generation as a simple or universally superior option. The source emphasizes that while direct investment can produce strong returns, it also exposes buyers to greater risk. That tradeoff is central to the story.
PPAs versus self-production is not just a pricing question
Power purchase agreements remain attractive because they can shift major portions of development and operating complexity to a third party. A large consumer gets access to renewable power and some degree of price structure without necessarily taking on the full burden of financing, building, and running a generating asset.
Self-production changes that equation. In the framework described in the supplied text, the consumer finances, builds, and operates its own solar plant. The potential reward is higher savings. The cost is greater exposure to project performance, capital costs, electricity price movements, and policy risk.
The researchers also examined other self-generation structures, including matching and leasing schemes. That is important because the market rarely operates as a binary choice between full ownership and a standard long-term contract. Businesses often want hybrid approaches that balance control with risk transfer.


