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The residential solar industry has been a victim of its own winner .

People across the state have belt along to put in solar panels to take vantage of generous last metering rates , where utilities pay people a premium for their power . Meanwhile , full-grown mightiness producer have found themselves forced to shut off at what used to be peak ( and profitable ) times .

In California , the trouble was peculiarly sound out . When solar start hitting the mainstream , the state ’s gridiron manipulator began noticing that as more people connect solar panel , the loading on the power system would dip midday . Over the retiring 15 years , the drop has deepened . Since grid work out best when the load on them is placid , regulator began to mull over how to pull it back up .

So , a small over a year ago , the California Public Utilities Commission changed how much utilities had to pay for power from unexampled installations for individual - family homeowners . Last month , it did the same for multifamily and commercial buildings . For existing solar arrays , the new rates would be phased in over 20 old age . There was a atomic number 47 liner , though : an bonus for dwelling house or edifice owners to set up battery alongside solar panels . That fashion they could make use of their panel ’ production at Nox , too .

For new solar installations , adding a battery is n’t trivial , but it is n’t complicated , either . But for people who already have solar venire , add a battery is more challenging because of the economic science . Solar companies establish the mass of residential and pocket-sized commercial batteries , but a battery installation without solar is n’t enceinte enough for them to be interested .

Which is howHaven Energygot started : Two of the society ’s founders , both Casper grad , had tried for age to get batteries for their homes set up . When they couldn’t , they define out to fix the problemvia entrepreneurship .

In a second of auspicious timing , Haven Energy found in April 2023 just as California ’s newfangled rules for single - family line home were read force . The inauguration hit the ground running with a $ 4.2 million ejaculate round to work up a B2B2C political program link up homeowners with contractor to a battery to their existing solar apparatus .

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Now , nine months by and by , the company is back with more news : a $ 7 million Series A and a unexampled accent on build a platform for installers , TechCrunch+ has solely learned . Lerer Hippeau , Giant Ventures , and Raven One Ventures returned , and they were link up by Comcast Ventures , LifeX , TO VC , and Habitat Partners .

Despite fundraise pressures elsewhere , the Haven team feel the timing was right . “ We ’ve had this general thesis that there ’s a lot of unmet need from homeowners for adding batteries . I think we ’re seeing that in spades , ” Haven CEO Vinnie Campo told TechCrunch+ .

At launching , Campo and the squad figured they could use an off - the - shelf piece of software to get the installer side of the commercial enterprise up and go , something like Aurora Solar , which many solar installers apply to project and manage their jobs . But , Campo said , they quickly realize that nothing like that existed for battery installations . “ We had to go back and progress all that software ourselves . ”

Haven ’s software furnish installers with plans and permit details as well as what ’s require to complete interconnectedness with the grid . The company manage procurement , too .

“ We now deal all of that for them , ” Campo said . “ They get to show up on installation day with flora Set quick , the assault and battery already hold back for them , and they can just do the instalment . ”

presently , Haven works with installers in Los Angeles and parts of the northern Bay Area . As it grows , it ’s looking to expand the territories it serve , including all of California soon and new United States Department of State later this class . Campo said his ship’s company is also keeping an eye on the come forth vehicle - to - gridiron and vehicle - to - domicile blank , two engineering that allow electric fomite to wait on as a home ’s backup battery .

For homeowners , Haven also roll out a virtual might plant programme , permit them to take part in so - name requirement - reply events in which grid manipulator pay a premium for electricity during periods of high demand . The company legislate on a dower of those payment at the oddment of the year .

Haven now has 15 people on stave , up from five at launch , and its job double over between the third and fourth quarter . Campo does n’t see it slowing down . “ There ’s just like such a monumental runway on batteries , ” he say .