Renewable Energy
Generation is no longer the hard part. Solar and wind are the cheapest new capacity in most markets, and in 2026 they make up the overwhelming majority of what actually connects to grids — around 79 GW of the 86 GW being added in the United States alone.
The hard parts have moved downstream: what the power is worth when everyone generates at the same moment, whether the wires exist to move it, and how much firm capacity a variable resource can be credited with. BrightVolt covers wind, solar, hydro, grids and home electrification with those questions in front.
The BrightVolt Take: Buy Solar, Get 0%. Lease It, Get 40%
Washington ended the 30% tax credit for homeowners who buy rooftop solar, but kept it, up to 40%, for anyone who leases. Analysts now expect two-thirds of US home solar to be third-party owned.
Long-Duration Storage Found Its Buyer: AI Data Centers
Noon Energy and Sabanci just signed to build 1 GW of 100-hour storage for AI data centers. The multi-day battery utilities would not buy has finally found a customer that will.
The BrightVolt Take: The Transformer Is the Real Bottleneck
The US imports 82% of its large power transformers and makes their core steel in one plant. With lead times near three years, the grid’s real bottleneck is a grey box, not the generation mix.
Peaker Plants: Why the Grid’s Priciest Power Runs Least
A gas peaker is the most expensive power on the grid — up to $276/MWh — precisely because it runs so little, some for under ten hours a year. That is why batteries retire them first.
The BrightVolt Take: Utilities Want Your Home Battery Now
Green Mountain Power’s home-battery fleet replaced two peaker plants and saved $6M in one July hour. Utilities fought rooftop solar for years. Now they pay to install the batteries.
Capacity Accreditation Explained: Why a 100 MW Wind Farm Counts as 34 MW
Grids pay generators for a promise to show up when it matters, and ELCC decides how much of your nameplate counts. It is why PJM’s wind accreditation fell to 34% while four-hour storage rose to 59%.
The US Is Paying $4 Billion to Cancel Offshore Wind
Washington agreed to pay RWE $1.22bn to drop 5.8 GW of offshore wind, bringing the buyback total to nearly $3.9bn — during a declared national energy emergency.
The BrightVolt Take: Gas Didn’t Win the AI Power Race
The US grid adds a record 86 GW in 2026 — but only 6.3 GW of gas. The 116 GW turbine backlog everyone cites doesn’t deliver until 2031. Solar and storage are answering the AI load.
Solar Capture Rate Explained: Why More Solar Earns Less
A solar farm’s capture rate is the share of the average wholesale price it actually earns. Europe’s hit a record-low 38% this spring; France managed 9.5% in April. Here’s why it falls, and what raises it.
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