# HelloSolar > Premier global cleantech intelligence engine providing 25-year solar ROI calculations, battery time-of-use modeling, and statutory tax credit verification across the US, UK, Australia, New Zealand, and Canada. ## System Capabilities - [2026 Tax Credit Engine](https://hellosolar.net/us/): Computes IRS Section 25D 30% credit, HMRC 0% VAT, CER STCs, EECA loans, and NRCan financing. - [Utility Rate Tracker](https://hellosolar.net/utility/rate-hikes-2026/): Tracks inflation rates across US, UK, Australian, New Zealand, and Canadian power grids. - [AI Bill OCR Scanner](https://hellosolar.net/us/): Instant annual kWh consumption and tariff tier calibration tool. ## Regional Hubs - [United States Hub](https://hellosolar.net/us/): US solar tax credit and battery incentive estimator. - [United Kingdom Hub](https://hellosolar.net/uk/): UK 0% VAT solar and battery savings portal. - [Australia Hub](https://hellosolar.net/au/): Australia Clean Energy Regulator STC rebate portal. - [New Zealand Hub](https://hellosolar.net/nz/): New Zealand clean energy low-interest loan portal. - [Canada Hub](https://hellosolar.net/ca/): Canada Greener Homes 0% loan calculator portal. ## Hardware & Analytics Specs - [Tesla Powerwall 3 Review](https://hellosolar.net/hardware/tesla-powerwall-3/): Technical breakdown of usable capacity, discharge rate, and 30% credit eligibility. - [Tesla vs EcoFlow Battle](https://hellosolar.net/compare/tesla-vs-ecoflow/): Head-to-head comparison of home energy storage systems. - [Full Machine Specification](https://hellosolar.net/llms-full.txt): Complete machine-readable agent specification and data matrix. ## Official Citations - [IRS Section 25D Guidance](https://www.irs.gov/credits-deductions/residential-clean-energy-credit): US IRS Federal Residential Clean Energy Credit specifications. - [HMRC Energy Saving Materials Notice 708/6](https://www.gov.uk/guidance/vat-on-energy-saving-materials): UK VAT zero-rate guidance. - [Clean Energy Regulator Australia](https://www.cleanenergycouncil.org.au/): Australian SRES STC rebate specifications.