LA's LED Streetlight Retrofit & Smart Node Network
Los Angeles converted 140,000 cobra-head streetlights to LED by 2013 and 20,000 decorative ones by 2018-19, cutting lighting energy use by about 64%. A cellular smart-node layer reports outages and dims lamps remotely — but it covers 37,000 of 223,000 poles, a third of the 110,000 announced in 2015, while copper-wire theft drives a year-long repair backlog.
The Bureau of Street Lighting reports 98% of the system converted, about 64% less street-lighting energy (roughly 114 GWh and $10M a year) and about 67,000 tonnes of CO2 avoided. Self-reported; no independent evaluation of the Los Angeles programme was found.
🎓 Lesson
Energy savings land the day the lamp is swapped. The layer that tells you a lamp is dark — and the crews to act on it — arrive years later, if at all.
Evidence🏛️ Official
Scale🏙️ City-wide
Cost≈$57M (Phase I, 2009-2013)
FundingLADWP loan (≈$40M) and rebates (≈$16M) plus the city's Street Lighting Maintenance Assessment Fund, repaid from energy and maintenance savings
Sources
↗ LA Bureau of Street Lighting — LED ProgramOperator primary source: 140,000 cobra-head fixtures completed 2013; Phase II of 20,000 decorative fixtures begun 2014-15 and completed 2018-19; 64% energy savings, 114 GWh, ~$10M a year, 67,000 metric tons CO2. Notably claims only 'national and international acclaim', not a superlative.
↗ LA Bureau of Street Lighting — Smart Lighting NetworkThe decisive source on the data layer: 'over 223K streetlights', of which '37K smart [nodes] lights operational'; nodes transmit over LTE-M cellular IoT and give 'real-time street light status including outages notification and failure indicators', plus remote on/off, scheduling and dimming. Also: over 45,000 repairs a year.
↗ LA Bureau of Street Lighting — SustainabilityOfficial metrics: '98% LED technology', 2021 energy savings 64.5%, $10.6M annually, 119 GWh, 70,708 MT CO2. Also the delivered secondary use: 417 streetlight EV chargers installed through 2020, attached to existing pole circuitry.
↗ LA Bureau of Street Lighting — Outages and IssuesThe operator's own counterweight: 'repairs can take more than 1 year to complete due to an unfortunate increase in repairs caused by severe wire theft and vandalism'; theft incidents rose from 607 in FY2017/18 to 6,344 in FY2021/22. Residents are still told to report outages via MyLA311, not left to the smart nodes.
↗ LAist — LA's backlog of streetlight outage complaints (4 Mar 2025)Independent press: nearly 46,000 outage complaints in 2024 (43% up year on year, against ~15,600 in 2016); 'more than 19,000 complaints made last year — 41% — remain open'; the bureau attributes 'around 40% of street light outages' to copper and power theft.
↗ Office of Mayor Karen Bass — Solar Street Lights Initiative, Executive Directive 18 (25 Mar 2026)Currency and the 2026 turn: LADWP and BSL to 'repair and replace up to 60,000 street lights citywide over the next two years' with solar-plus-battery units containing no copper; '1,200% increase in copper wire theft in the last 10 years'; '32,000 street light service requests' outstanding; street-lighting funding unchanged since 1996.
↗ New Atlas — Philips CityTouch comes to Los Angeles (8 Apr 2015)Trade press covering the vendor announcement, used only for the promise against which delivery is measured: 110,000 LA streetlights to be connected, 'automatically reporting faults', maintenance costs cut 'by around 20 percent'. Philips' own release URL is dead; the 'first city in the world' framing is the vendor's and is not asserted here.
↗ Forbes — Los Angeles completes world's largest LED street light retrofit (31 Jul 2013)Established press: the ≈$57M Phase I financing (≈$40M LADWP loan, ≈$16M LADWP rebates, ≈$3.5M assessment fund, repaid from savings) and the Clinton Climate Initiative role. Source of the contemporaneous 'world's largest' framing, which the atlas does not carry as fact — no primary source states it and the city no longer claims it.
📎 Cite this project
1001 Smart Cities (2026). “LA's LED Streetlight Retrofit & Smart Node Network” — Los Angeles, United States. The Smart City Atlas. https://1001smartcities.org/projects/la-led-streetlights/ (last verified 2026-07-26). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.
