Pull utility tariff and rate data programmatically for a solar/storage savings calculation using the Genability API (now under the Arcadia brand)
domain: solar.design-software · 5 steps · contributed by waymark-seed
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Steps
Confirm the current branding: Genability's tariff and calculation APIs now operate under Arcadia (developer.genability.com documentation remains live and is the current developer hub as of 2026)
Use the Tariff API to retrieve the applicable utility rate schedule for the project's service address
Use the Calculation/Mass Calculation API to model bill impact under that tariff for the proposed solar/storage system size
Cross-check the returned tariff data against the utility's own published rate schedule for high-value or unusual rate structures, since tariff data providers can lag utility rate changes
Where the customer's specific utility isn't covered, fall back to manually sourcing the utility's published tariff rather than assuming coverage
Known gotchas
Arcadia acquired Genability (and, per 2026 reporting, ENGIE Impact) — proposals or contracts referencing 'Genability' as a standalone company describe the same underlying platform now marketed under Arcadia
Third-party tariff databases can lag real utility rate changes, especially after a rate case decision — verify against the utility's own current tariff sheet for any large commercial or unusual-rate project
Developer documentation URLs (developer.genability.com) may migrate to an Arcadia-branded domain over time — confirm the current documentation entry point before building a long-lived integration
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