O price medium do watt-peak (Wp) for systems solar energy in Brazil ed a drop of R$0,59 (R$ 4,22 to R$ 3,63) in first half of 2023, according to data published by Solfácil Radar.
According to the study, the state of Sergipe was the one who introduced biggest drop in value of photovoltaic modules throughout the first six months of the year, with a reduction of R$ 1,30 per Wp.
Afterwards, there appear Rondônia and Alagoas, with a reduction of R$ 0,75 per Wp in both states. Also highlighted Goiás (R$ 0,68); Mato Grosso do Sul (R$ 0,67) and Espírito Santo (R$ 0,66)respectively.
Solfácil Radar data also indicates that only two states did not show a price reduction, namely: Amazon (increase of R$ 0,02 per Wp) and Bahia (price of R$ 4,29 per Wp in June was at the same level as in January). Furthermore, all states recorded significant drops.
Check below how it was the variation (reduction, stagnation or increase) the average price of watt-peak in each Brazilian state between the months of January and June 2023:
| States | January / 2023 | June / 2023 | Variation |
| Acre | R$3,69 |
R$3,51 |
- R $ 0,18 |
| Alagoas | R$4,30 | R$3,55 | - R $ 0,75 |
| Amapá | R$3,88 | R$3,36 | - R $ 0,22 |
| Amazon | R$3,87 | R$3,89 | + BRL 0,02 |
| Bahia | R$4,29 | R$4,29 | R$0,00 |
| Ceará | R$4,35 | R$3,72 | - R $ 0,63 |
| Federal District | R$4,22 | R$3,70 | - R $ 0,52 |
| Espírito Santo | R$4,34 | R$3,68 | - R $ 0,66 |
| Goiás | R$4,16 | R$3,48 | - R $ 0,68 |
| Maranhao | R$4,10 | R$3,64 | - R $ 0,46 |
| Mato Grosso | R$4,00 | R$3,44 | - R $ 0,56 |
| Mato Grosso do Sul | R$4,05 | R$3,38 | - R $ 0,67 |
| Minas Gerais | R$4,20 | R$3,66 | - R $ 0,54 |
| Para | R$4,43 | R$3,92 | - R $ 0,51 |
| Paraíba | R$4,09 | R$3,70 | - R $ 0,39 |
| Paraná | R$4,03 | R$3,51 | - R $ 0,52 |
| Pernambuco | R$4,34 | R$3,78 | - R $ 0,56 |
| Piaui | R$4,25 | R$3,61 | - R $ 0,64 |
| Rio de Janeiro | R$4,24 | R$3,71 | - R $ 0,53 |
| Rio Grande do Norte | R$4,21 | R$3,56 | - R $ 0,65 |
| Rio Grande do Sul | R$4,37 | R$3,78 | - R $ 0,59 |
| Rondônia | R$3,98 | R$3,23 | - R $ 0,75 |
| Roraima | R$3,84 | R$3,39 | - R $ 0,45 |
| Santa Catarina | R$4,18 | R$3,83 | - R $ 0,35 |
| São Paulo | R$4,18 | R$3,56 | - R $ 0,62 |
| Sergipe | R$4,78 | R$3,48 | - R $ 1,30 |
| Tocantins | R$4,12 | R$3,47 | - R $ 0,65 |
