Seasonally-adjusted electricity generation : Solar (TWh) - Japan - FS Research - Monthly
This series is part of the dataset: Seasonally-adjusted monthly electricity production by source
Download Full Dataset (.xlsx)Latest updates. In Japan, seasonally-adjusted electricity generation from solar photovoltaics was 6.62 TWh in June 2026, compared to 8.56 in May. This represents a reduction of 22.66 percent.
Sample. In the monthly time series shown in the figure, there are a total of 90 data points. The time span covered by the series goes from January 2019 to June 2026.
History. Have a look at a few summary statistics calculated on the entire sample: generation reached a minimum of 3.94 TWh in July 2020; it recorded its highest level of 9.18 in July 2025; it was equal on average to 6.81.
Latest values
| Date | Value - TWh |
|---|---|
| 2026-04-30 | 6.7311 |
| 2026-05-31 | 8.5616 |
| 2026-06-30 | 6.6225 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Electricity generation: Solar |
| Country or region | Japan |
| Economic concept | Flow |
| Data type | Quantity |
| Seasonally adjusted | Yes |
| Frequency | Monthly |
| Unit | TWh |
| Sources | FetchSeries Research; calculations on Ember data |
| Source type | Data research lab |
| Data licence | Creative Commons Attribution 4.0 International (CC BY 4.0); standard FetchSeries disclaimers apply |
| Measure type | Level |
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