Global clean-energy investment fell 17% year-on-year in H1 2026, according to Rhodium Group, while in California 140,000 home batteries fed 580 megawatts into the grid during a heatwave — as much as all of Sacramento County's residential consumption. Which story tells you more about the future of th

A globális tisztaenergia-piac vegyes jeleket küld: a Rhodium Group szerint 2026 első felében 17%-kal estek vissza a beruházások, miközben Kaliforniában szeptemberben 140 ezer otthoni akkumulátor 580 megawattot táplált a hálózatba egy hőhullám idején — annyit, amennyi Sacramento megye teljes lakoss&a

• The investment drop is the truly important signal – no transition without money
• The California battery success matters more – the technology is already proving itself, regardless of capital-market swings
• Both can be true at once – a cyclical investment dip while existing infrastructure keeps getting more effective
• Neither is convincing – it's too early to draw big conclusions from either one