About  2

Key highlights  2

Executive summary  3

The rise of daytime solar  7

1.1 Solar's share of global electricity nearly doubled in three years, reaching 10% in H1 2026  7

1.2 A quarter solar share at midday becomes near zero at night  8

1.3 As daytime solar rises, fossil generation continues to dominate after sunset  10

1.4 With batteries, the clean flexibility toolbox can now break the daytime-only limit to solar growth  11

The new era of anytime solar  14

2.1 Batteries deployed in 2026 could shift over a third of new daily solar generation  14

2.2 Leading battery markets could shift over half of new daily solar generation  17

2.3 Batteries are already moving solar to non-sunny hours in leading markets  19

2.4 The era of anytime solar has begun  20

Supporting materials  21

Methodology  21

Acknowledgements  22