Flat Blocks vs Solar PV (Photovoltaic)
Two WordPress themes head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
At a glance
Solar PV (Photovoltaic) leads the WordPress.org popular list today at #315, ahead of Flat Blocks at #2,928. Over the last 7 days Solar PV (Photovoltaic) slipped 31 places and Flat Blocks slipped 1 place. Flat Blocks has the largest install base, roughly 2.5× the next: 200+ active installs against 80+ for Solar PV (Photovoltaic). Downloads this week: Solar PV (Photovoltaic) 130 and Flat Blocks 18.
| Metric | Flat Blocks | Solar PV (Photovoltaic) |
|---|---|---|
| Popular rank today | #2,928 ▼ 1 | #315 ▼ 31 |
| Active installs | 200+ | 80+ |
| Downloads, last 7 days | 18 | 130 |
| Rating | no ratings | no ratings |
| Type | Block theme | Block theme |
| Last updated | Feb 21, 2026 | Oct 19, 2026 |
| Current version | 2.2.3 | 1.4 |
| Best rank on record | #2,746 | #176 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Jun 2023 | Sep 2026 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
Frequently asked questions
Which is more popular, Flat Blocks or Solar PV (Photovoltaic)?
By active installs, Flat Blocks: 200+ sites run it against 80+ for Solar PV (Photovoltaic), according to WordPress.org figures captured on October 25, 2026.
Which ranks higher on WordPress.org, Flat Blocks or Solar PV (Photovoltaic)?
Solar PV (Photovoltaic), at #315 on the WordPress.org popular themes list today, with Flat Blocks at #2,928. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Is Flat Blocks a block theme or a classic theme? And Solar PV (Photovoltaic)?
Flat Blocks is a block theme, Solar PV (Photovoltaic) is a block theme. Block themes are built for the Site Editor; classic themes use the Customizer and widget areas.
Where do these numbers come from?
WordPress.org publishes each theme’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the themes have moved over time rather than a single day.