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 stood at 8.54 TWh in January 2026, versus 7.69 in December 2025. This marks a gain of 11.05 percent.
Sample. There are 85 data points overall in the monthly time series displayed in the graph above. The series covers the span of time extending from January 2019 to January 2026.
History. Here's a snapshot of a few simple statistics calculated on the full sample: generation hit a maximum of 9.22 TWh in July 2025; it registered a minimum of 3.96 in July 2020; it was equal on average to 6.75.
Latest values
| Date | Value - TWh |
|---|---|
| 2025-11-30 | 7.7975 |
| 2025-12-31 | 7.6897 |
| 2026-01-31 | 8.5352 |
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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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