All marketsResidential solar and hybrid invertersFronius
Fronius · 4,210,143,802
Primo GEN24 Plus 7.7
A 7.7kW two-MPPT hybrid with active cooling, high-voltage battery support, PV Point and external equipment paths for fuller backup
Market statusCurrent actively cooled conventional-string hybridChecked Aug 19
Reference price$2,915 current U.S. retail priceExact 4,210,143,802 GEN24 Plus inverter before Renon battery, Essential Load Backup Unit or other transfer equipment, RSD receivers, meter, installation, permit and tax
Next full checkAug 26, 2026Price checks run sooner
01
Ready to buy
Lock the exact one-line and equipment suffixes
The retained equipment reference is $2,915 current U.S. retail price. Confirm Plus capability and part suffix rather than a standard GEN24 that needs a paid UP.storage license, and verify the current U.S. battery list. Require string or branch calculations, exact listings, settings, permit and utility scope, commissioning exports, credentials, warranty labor and final installed price.
Buying stageMarket familiarity
02
Current market
The facts that change the ownership choice
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
QuestionCurrent answerFreshnessBasis
Current price
$2,915 current U.S. retail price
Confirm Plus capability and part suffix rather than a standard GEN24 that needs a paid UP.storage license, and verify the current U.S. battery list. Confirm authorized U.S. stock, tax, freight, accessories, design, installation, warranty and return terms before paying.
Checked 5 days agoDirect source1 evidence item
Conversion architecture
actively cooled high-voltage hybrid
Checked 5 days agoOur synthesis3 evidence items
String, microinverter and hybrid boundary
The U.S. GEN24 Plus combines a two-MPPT string inverter with a 150 to 455V battery port. The standard GEN24 can be software-upgraded in supported cases, but purchase, license, battery and backup hardware must be explicit
Checked 5 days agoOur synthesis2 evidence items
Power, current and MPPT limits
The 7.7kW 208/240V unit uses two MPPTs across a 65 to 600V DC input window with tracker-specific current limits. Module current, parallel strings, cold Voc and active-cooling derating remain exact design inputs
Checked 5 days agoOur synthesis2 evidence items
Module, MLPE, RSD and battery ecosystem
Fronius Dynamic Peak Manager can address some string-level shade without mandatory optimizers, while code-required roof shutdown still needs supported SunSpec receivers. Current U.S. battery support is a named high-voltage matrix, not an open battery port
Checked 5 days agoDirect source2 evidence items
Service, transfer, islanding and loads
PV Point supplies a bounded dedicated solar-backed circuit only under supported conditions. Full or essential-load backup requires the exact battery, Fronius controls and listed switching equipment; neutral, service, load starts and utility rules decide the design
Checked 5 days agoOur synthesis4 evidence items
AFCI, GFDI, listings, code and utility
Integrated AFCI, ground-fault detection and DC disconnect do not replace module-level rapid shutdown where adopted. Preserve RSD compatibility, string fusing, disconnects, conductor ampacity, listing combination, grid profile, permit, fire review and PTO
Checked 5 days agoOur synthesis4 evidence items
Outdoor, thermal and service siting
Active fan cooling can sustain power in heat but adds sound, intake clearance, dust and a service component. Follow NEMA 4X mounting, ambient, altitude, snow, sun, drainage and working-clearance limits
Checked 5 days agoDirect source2 evidence items
Monitoring, cloud, privacy and offline behavior
The local web interface, Solar.start and Solar.web divide commissioning, local access and cloud monitoring. Document installer credentials, site ownership, internet-loss behavior, firmware control and production or consumption data sharing
Checked 5 days agoOur synthesis3 evidence items
Warranty, installer and service
The current U.S. registration path can extend coverage, but fan, labor, freight, removal, battery, backup unit and communications terms differ. Confirm a trained technician and stocked replacement route
Checked 5 days agoDirect source3 evidence items
Equipment versus installed cost
Exact 4,210,143,802 GEN24 Plus inverter before Renon battery, Essential Load Backup Unit or other transfer equipment, RSD receivers, meter, installation, permit and tax. Confirm Plus capability and part suffix rather than a standard GEN24 that needs a paid UP.storage license, and verify the current U.S. battery list
Checked 5 days agoOur synthesis2 evidence items
Yield, savings, backup and permission boundary
The exact inverter can convert power within its tested, listed and commissioned limits, but it cannot guarantee site energy yield, clipping outcome, utility savings, a bill, uptime, outage operation, fire safety, code approval, interconnection or permission to operate, warranty labor or service response.
Checked 5 days agoOur synthesis5 evidence items
Current verdict
The thermally managed string hybrid
Choose GEN24 Plus when active cooling, conventional strings and supported battery backup fit the site, while pricing the fan, external backup equipment and battery compatibility as parts of one system.
Checked 5 days agoOur synthesis12 evidence items
03
Other paths
The alternatives change what the Primo GEN24 Plus 7.7 is worth
These are not generic competitors. Each one represents a different way to buy into the same market.
01lower upfront
SMA America
Sunny Boy Smart Energy 7.7
$2,664.48 current U.S. retail price
Best fit
conventional-string high-voltage hybrid
Tradeoff
SBSE combines a conventional multi-MPPT PV inverter and high-voltage battery inverter. It can operate solar-only and add an approved battery later, but battery and backup compatibility are limited to SMA's current matrix and controls
Tigo EI is an AC- or DC-couplable hybrid and conventional string inverter. TS4 devices are optional by function except where the roof's rapid-shutdown design requires them, allowing optimization only where justified
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
notable
Current exact inverter, price and system boundaries retained
Primo GEN24 Plus 7.7 was checked against exact manufacturer identity and support, current equipment price, independent equipment evidence, complete electrical, rapid-shutdown, interconnection, monitoring, service and outcome boundaries and bounded owner or installer reports.
Price record
The price history starts here
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
$2,915 current U.S. retail price
Current reference priceA structured timeline will begin with the next source capture
05
Owner experience
What repeats after the purchase
Owner and installer evidence is retained as a design, commissioning and service checklist for Primo GEN24 Plus 7.7, especially up.storage licensing, fan behavior, battery compatibility, solar.web access and backup commissioning, not as a yield, safety or reliability rate.
Reports are self-selected and span different modules, orientations, climates, stringing, branches, services, batteries, generators, utilities, codes, installers, firmware, tariffs, monitoring and system ages. They cannot prove yield, savings, fire safety, code compliance, permission, backup behavior, reliability or service outcomes for another site.
SignalWhat owners reportOur readEvidence
UP.storage licensing, fan behavior, battery compatibility, Solar.web access and backup commissioning
Self-selected owners and installers discuss quotations, stringing, clipping, commissioning, monitoring, firmware, faults, replacement labor and support. Reports are anecdotal, configuration-specific and do not establish yield, savings, safety, reliability or failure rates.
Make the proposal state Plus from the factory or the exact license, then test PV Point and the purchased battery-backed circuits separately.
1 evidence record
06
Sources
Why we believe the current view
The page separates what a source states directly from what we conclude across sources.
01
Primo GEN24 Plus 7.7 current manufacturer recordFronius · identity
Fronius identifies exact model 4,210,143,802 as a 7.7kW two-MPPT hybrid with active cooling, high-voltage battery support, PV Point and external equipment paths for fuller backup.
Primo GEN24 Plus 7.7 current U.S. equipment offerressupply.com · price
$2,915 current U.S. retail price was retained for exact model 4,210,143,802. Confirm Plus capability and part suffix rather than a standard GEN24 that needs a paid UP.storage license, and verify the current U.S. battery list
Primo GEN24 Plus 7.7 current specification and manualFronius · specification
The U.S. GEN24 Plus combines a two-MPPT string inverter with a 150 to 455V battery port. The standard GEN24 can be software-upgraded in supported cases, but purchase, license, battery and backup hardware must be explicit The 7.7kW 208/240V unit uses two MPPTs across a 65 to 600V DC input window with tracker-specific current limits. Module current, parallel strings, cold Voc and active-cooling derating remain exact design inputs Fronius Dynamic Peak Manager can address some string-level shade without mandatory optimizers, while code-required roof shutdown still needs supported SunSpec receivers. Current U.S. battery support is a named high-voltage matrix, not an open battery port
Primo GEN24 Plus 7.7 current support and service pathFronius · specification
PV Point supplies a bounded dedicated solar-backed circuit only under supported conditions. Full or essential-load backup requires the exact battery, Fronius controls and listed switching equipment; neutral, service, load starts and utility rules decide the design Integrated AFCI, ground-fault detection and DC disconnect do not replace module-level rapid shutdown where adopted. Preserve RSD compatibility, string fusing, disconnects, conductor ampacity, listing combination, grid profile, permit, fire review and PTO Active fan cooling can sustain power in heat but adds sound, intake clearance, dust and a service component. Follow NEMA 4X mounting, ambient, altitude, snow, sun, drainage and working-clearance limits The current U.S. registration path can extend coverage, but fan, labor, freight, removal, battery, backup unit and communications terms differ. Confirm a trained technician and stocked replacement route
Primo GEN24 Plus 7.7 monitoring, cloud and privacy boundaryFronius · software
The local web interface, Solar.start and Solar.web divide commissioning, local access and cloud monitoring. Document installer credentials, site ownership, internet-loss behavior, firmware control and production or consumption data sharing
Fronius Primo GEN24 Plus 7.7 equipment listingCalifornia Energy Commission · specification
The current independent equipment database retains model Fronius-Primo-GEN24-208-240-Plus-7.7 with its tested AC rating, voltage, efficiency and grid-support identity. A database listing does not approve a roof, string, battery, grid profile or utility interconnection.
Homeowner's guide to going solarU.S. Department of Energy · specification
DOE separates equipment ratings from site design, production estimates, bids, financing, installation, permits, interconnection and operating results. A solar proposal remains site- and contract-specific.
Solar interconnection standards and policiesU.S. Department of Energy · specification
Interconnection requires the serving utility's application, technical review, approved equipment and operating settings. An inverter listing or installer promise does not grant permission to export or operate.
Solar photovoltaic electrical and fire-safety resourcesNational Fire Protection Association · specification
PV equipment remains energized from multiple sources and must follow adopted electrical, rapid-shutdown, disconnect, labeling, access and fire-safety requirements. A listed component does not prove a complete installation compliant.
Fronius Primo GEN24 Plus owner and installer discussionsSolar owners and installers · consensus
Self-selected owners and installers discuss quotations, stringing, clipping, commissioning, monitoring, firmware, faults, replacement labor and support. Reports are anecdotal, configuration-specific and do not establish yield, savings, safety, reliability or failure rates.
Manufacturer identity, exact model specification or manual, current U.S. support and equipment price, independent equipment or utility evidence and bounded owner or installer evidence were checked on August 19, 2026. This market covers current U.S.-supported residential grid-tied solar, microinverter, battery-ready, hybrid and inverter-charger systems whose conversion, module electronics, battery, service or islanding architecture materially changes the buyer decision. It excludes battery systems counted again as inverters, capacity-only siblings, OEM rebadges, bare optimizers and rapid-shutdown parts, commercial-only three-phase platforms, unsupported imports, obsolete systems and installer proposals without model-level equipment. Preserve exact nominal and continuous AC power, timed peak, output current and service voltage; MPPT count, voltage, current and short-circuit limits; module, optimizer, receiver, trunk and connector compatibility; DC/AC oversizing and clipping assumptions; battery voltage, protocol and approved models; pass-through versus inverter output; backed-up circuits, transfer, neutral, generator and islanding equipment. AFCI, GFDI, rapid shutdown, disconnects, OCPD, PCS, UL 1741, UL 3741, UL 9540, IEEE 1547 and other listings apply to exact configurations and do not replace adopted NEC, fire access, permit, utility grid profile, interconnection review or permission to operate. Outdoor ratings do not waive thermal derating, sun, snow, water, conduit, structure, clearance, noise and service access. Preserve local controls, installer credentials, app, gateway, cloud, privacy, firmware, offline behavior, warranty, authorized channel, parts and labor. Equipment price excludes the complete array, batteries, gateways, transfer equipment, panels, design, installation, roof work, service upgrades, permits, utility costs, tax and financing. No nameplate, optimizer, MPPT, efficiency, clipping model, production forecast, backup rating, warranty, quote, app or certification guarantees energy yield, savings, bill, uptime, outage performance, permission, fire safety, code approval or service outcome.