IF YOU WONDER WHY AMERICA'S UTILITIES ARE RATTLED BY THE EXPLOSIVE GROWTH IN ROOFTOP SOLAR -- AND ARE PUSHING BACK -- WILLIAM WALKER HAS A STORY FOR YOU. Ewa Beach Oahu. A flip-flop wearing Walker stands in his driveway pointing to a ubiquitous neighborhood feature - solar panels on the roofs of five of six houses nearby. He lives in Ewa Beach, a development on the sultry leeward coast of the Hawaiian island of Oahu built on land cleared of sugar cane fields. Shade is scarce and residents here call their homes "hot boxes," requiring almost round-the-clock air conditioning. Hawaii, which imports pricey oil to power its electricity grid, has the highest utility rates in the nation -- at 37 cents a kilowatt-hour, they're more than double California and triple the national average. With bills for 1,600 square foot houses like these running as high as 400 a month, solar is seen as less a green statement than an economic no-brainer given state and federal tax credits for as much as 65 percent of installation costs. Almost every day since Walker and his wife Mi Chong moved in last April, solar installers came rapping on the door, hawking a rooftop system. They finally bought one: an 18-panel, 35,000 installation producing 5.9 kilowatts of power financed for 305 a month. It would be connected to the grid under a system known as net metering that essentially lets residents deduct the value of their solar-produced electricity from their power bill and even be paid for electricity in excess of that. PAYING FOR ITSELF Walker estimates his bill would have dropped most months to an 18 service charge -- offsetting that 305 loan payment. Anticipating his power bills would continue to rise, he figured the system could pay for itself in as little as five years; his electricity after that would be free. That is until his utility, a subsidiary of Honolulu-based Hawaiian Electric Industries Inc., told the Walkers they couldn't connect their system to the grid. They aren't alone. Solar installers here estimate that hundreds if not thousands of the state's residents are being put in solar limbo by a virtual moratorium on new connections in many parts of the company's service area. AMERICA'S POWER MACHINE The reason, according to the Hawaiian Electric Co.: so many Hawaiians are stampeding to solar that circuits may become oversaturated, causing voltage spikes, damaging appliances, electronics and even the utility's equipment. The company needs more time to study the matter. The Walkers, who say they got no advance notice of the shutdown, are now paying both their power bill and their monthly rooftop loan. HECO, as the utility is known, recently told them they will eventually be allowed to join the grid without having to pay for expensive equipment upgrades. It still can't say when. 'PROFIT MOTIVATION' "Everyone is on board with getting solar and HECO has now put up a wall," Walker said. "The only thing we can see is profit motivation." Spurred by a drop in panel prices, robust government subsidies and a technology that no longer appears experimental to mainstream America, rooftop photovoltaic solar is bursting out everywhere. About 200,000 U.S. homes and businesses added rooftop solar in the past two years alone - about 3 gigawatts of power and enough to replace four or five conventionally-sized coal plants. The U.S. set a single-quarter record with 31,000 residential rooftop installations in the three months through Sept. 30. Solar represented 72 percent of all power added in the U.S. in October. CONNECTION SLOWDOWN Utilities, seeing a threat to about 360 billion a year in power sales and a challenge to the hegemony of the conventional grid, are feeling the heat and fighting back. HECO, despite criticism from Hawaii's solar industry, denies the moratorium is anything more than an honest effort to address the technical challenges of integrating the solar flooding onto its grid. The slowdown comes in a state where 9 percent of the utility's residential customers on Oahu are already generating most of their power from the sun and where connections have doubled yearly since 2008. In California, where solar already powers the equivalent of 626,000 homes, utilities continue to aggressively push for grid fees that would add about 120 a year to rooftop users' bills and, solar advocates say, slow down solar adoptions. Similar skirmishes have broken out in as many as a dozen of the 43 states that have adopted net-metering policies as part of their push to promote renewable energy. In Colorado, Xcel Energy Inc. has proposed cutting the payments it makes for excess power generated by customers by about half, because it says higher payouts result in an unfair subsidy to solar users. ARIZONA PROTESTERS It faces a fight from solar advocates who are circulating a petition that has attracted 30,000 signers. In Arizona, 1,000 protesters last month swarmed the state capital while local and national solar advocates lobbied against an effort by utility Arizona Public Service to impose a 50 monthly fee on new solar adopters. Solar advocates said the charge would have crippled the state's 10,000-worker solar industry and thwarted the desire of residents to have a choice in the power consumption. State regulators, after two days of often contentious debate, voted to allow the state's largest utility to charge customers about 4.90 a month for solar connections after Dec. 31 -- less than 10 percent of what it was asking for. FALLING SHORT Don Brandt, chief executive officer of APS and its parent company Pinnacle West Capital Corp., panned the deal, saying that while it nods to the impact that net metering is having on utility operations and revenues, it "falls well short of protecting the interests of the 1 million residential customers who do not have solar panels." Lyndon Rive, CEO of SolarCity Corp., said it was "crazy for a utility to charge for services they didn't deliver. 'Why not tax energy efficient homes, or small homes that consume less than average?' said Rive, whose company is the nation's second-largest rooftop solar installer. 'APS just doesn't want to lose control." More
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