John Hanger
Support decarbonization, zero-CO2 generation & competitive markets. Former Commissioner of PA PUC, Secretary of PA DEP, Secretary of Policy & Public Advocate for consumers of Philadelphia's municipal utilities. Law degree.
- Good morning with good news: Average price of lithium ion battery packs plunged to $115 USD/kWh in 2024, a 20% cost reduction from 2023. and down 84% from a decade ago. So, battery deployment skyrocketed 67%/year over the last decade to 69 GW in 2024. #energysky ember-energy.org/app/uploads/...
- Good morning with good news: Brazil's solar output surged 44% in March 2025, compared to March 2024! Solar was 13.29% of Brazil's electricity in March 2025 versus 9.66% in March 2024. Solar was at 0.47% in March 2018 & 1.7% in March 2020. Brazil ranked 4th (18.9 GW) in 2024 new solar. #energysky
- It took 70 years for the world to install 1 TW of solar by 2022. The world reached 2.2 TW of solar in 2024, taking ~2 years to install the second TW. The world installed 597 GW of solar in 2024. It is on track to install 1 TW/year by 2028-2030! #energysky api.solarpowereurope.org/uploads/Glob...
