xny22.com is a new-energy knowledge hub covering solar photovoltaics, energy storage, heat recovery, electric vehicles and carbon neutrality. This English section gathers our most practical buying and technical guides for international readers and procurement teams.
Solar Panel Buying Guide
Types, efficiency, sizing and ROI for 2026.
Solar Inverter Guide
String vs micro vs hybrid, MPPT and monitoring.
Heat Recovery Systems
HRV/ERV, plate & rotary heat exchangers explained.
EV Brand Comparison
BYD, Tesla, VW ID, NIO and more head-to-head.
Carbon Calculator
Scope 1/2/3 accounting and reduction steps.
PV Subsidy Policy
National and regional solar incentives for 2026.
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China's Energy Transition
Deep dives on how China is decarbonizing power, transport and industry - the data and supply chains that matter for global buyers.
Energy Transition Overview
The 2026 guide to the world's largest clean-energy build-out.
Solar Power
277 GW added in 2024; ~80% of global modules.
Electric Vehicles
40.9% of car sales in 2024.
Grid & Storage
UHV, pumped hydro and batteries.
Coal to Clean
The shifting power mix.
Battery Supply Chain
Cells, refining, critical minerals.
Hydrogen & Dual-Carbon
2030/2060 goals and green H2.