Greener says that battery storage may assist massive electrical energy shoppers in Brazil to deal with sharp variations between peak tariffs and off-peak tariffs.
From pv journal Brazil
Batteries are already aggressive for shopper power storage in behind-the-meter purposes in a number of Brazilian states. Marcio Takata, the director of consulting firm Greener, Marcio Takata, described this market alternative throughout the Greener Enterprise Summit earlier this month in Sao Paulo, Brazil.
He offered a case examine involving an industrial shopper within the space of Cosern, within the state of Rio Grande do Norte. The distinction between the tariff at peak hours and the off-peak tariff is BRL 3.004 ($0.55)/MWh.
Based on Greener, such shoppers may scale back their annual payments from roughly BRL 273,600 to BRL 173,600. They’d obtain 36% financial savings on the power tariff by putting in a lithium-ion battery with a capability of 0.6 MW/2.5 MWh.
Within the simulation, the patron would have a discount of BRL 123,800 within the peak tariff, from BRL 173,400 to BRL 49,600, and a rise of BRL 21,800 within the off-peak tariff, from BRL 103,200 to BRL 124,000. The online financial savings with storage would due to this fact be BRL 102,000.
The funding, for a helpful lifetime of 15 years, was estimated at BRL 11 million, with an working price of BRL 55,000 per yr. There’s a want for reinvestment within the tenth yr of the asset, consisting of 15% of capex, or BRL 1.65 million. The tariff adjustment for the interval was 6% per yr.
The distinction between peak and off-peak tariffs is essential to the viability of battery storage to handle the load. Based on the Greener survey, this distinction can vary from BRL 354/MWh within the CEA concession space, within the state of Amapá, to BRL 3,971/MWh, within the Equatorial concession space, within the state of Pará. Along with the distributors in Pará and Rio Grande do Norte, different distributors resembling Coelba (BA), Enel RJ and EMS (MS) have peak and off-peak charges with variations above BRL 3,000/MWh.
Battery storage is seen as a option to diversify for corporations that already function within the photo voltaic sector. Sao Paulo-based Brasol, for instance, is anticipated to put money into its first storage initiatives this yr.
