# Ivy Energy > Multifamily solar billing software that turns onsite energy into predictable NOI. Ivy automates tenant-level solar and EV billing, program management, and owner reporting. ## Pages - [/](/): Home — multifamily solar billing platform overview, NOI simulator, and outcomes modeling. - [/owners-guide](/owners-guide): Owner's Guide — how onsite solar becomes NOI for multifamily portfolios. - [/noi-simulator](/noi-simulator): NOI Simulator — interactive financial modeling for solar and EV programs. - [/adaptive-billing](/adaptive-billing): Adaptive Billing — product page for SunShare and SunRate billing models. - [/tax-credits](/tax-credits): Tax Credits — the 7/4/26 Safe Harbor playbook for multifamily owners. - [/resources](/resources): Resources — decision guides, playbooks, and industry research for multifamily solar. - [/support](/support): Support — help center with articles on billing, onboarding, and account management. - [/blog](/blog): Blog — insights on multifamily solar, VNEM, NOI strategy, and regulatory updates. - [/contact](/contact): Contact — get in touch with Ivy Energy for a portfolio assessment. - [/multifamily-solar-billing](/multifamily-solar-billing): Multifamily Solar Billing — deep-dive pillar on solar billing for apartment communities. - [/solar-noi-multifamily](/solar-noi-multifamily): Solar NOI Multifamily — how onsite solar drives net operating income for owners. - [/safe-harbor-multifamily-solar](/safe-harbor-multifamily-solar): Safe Harbor Multifamily Solar — IRA safe harbor guidance for multifamily solar projects. - [/vnem-california-multifamily](/vnem-california-multifamily): VNEM California Multifamily — virtual net energy metering for California multifamily properties. - [/legal](/legal): Legal — terms of service and legal disclosures. - [/privacy-policy](/privacy-policy): Privacy Policy — data privacy and collection practices. - [/tenant-subscriber-terms-of-service](/tenant-subscriber-terms-of-service): Tenant Subscriber Terms — terms of service for tenant subscribers. ## Optional - [/resources/understanding-estimated-bills](/resources/understanding-estimated-bills): Understanding Estimated Bills — support-style guide on estimated billing for tenants.