
GE
GE LU1000/ECO 1000W High Pressure Sodium Bulb
★★★★★
75 Inch1000W
130,000 initial lumens from a single 1000W HPS source — industrial-scale output built for large-area outdoor and commercial applications.
$52.40*$57.53Save 8%
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Overview
Key Features
Ecolux®Lucalox HPS E25 1000W lamp with color temperature 2100K, 24000 rated life hours, initial&347mean lumens 130000/117000, 6 per case for use outdoor lighting applications
CRI 22 Open or Enclosed Lamp Enclosure Type Light Center Length 8
75 Inch
Specifications
Brand
GE
Model
LU1000/ECO (44058)
Wattage
1000W
Color Temperature
2100K
CRI
22
Initial Lumens
130,000
Mean Lumens
117,000
Rated Life
24,000 hours
Base Type
E39 Mogul
Bulb Shape
E25
Light Center Length
8.75 inches
Fixture Compatibility
Open or Enclosed
Material
Glass
Pack Quantity
6 per case
Pros & Cons
👍 Pros
- 130,000 initial lumens from a single 1000W source delivers exceptional coverage for large parking lots, roadways, and industrial yards where raw illumination area is the primary requirement.
- 24,000-hour rated lifespan reduces replacement frequency substantially in high-usage commercial and municipal installations.
- Compatibility with both open and enclosed fixture types provides installation flexibility across a wide range of existing HPS fixtures.
- E39 Mogul base is the industry standard for high-wattage HPS, ensuring straightforward drop-in replacement in existing fixtures without modification.
- The ECO designation reflects an efficiency-optimized design that maintains high lumen output while meeting energy performance standards for commercial applications.
👎 Cons
- CRI of 22 produces a heavy amber-orange cast that renders colors very poorly — unsuitable for any application where accurate color perception is required.
- At 2100K, the warm sodium tone is not interchangeable with neutral or cool white sources; mixed-fixture installations will have visible color temperature inconsistency.
- 1000W draw is a significant power load requiring dedicated high-wattage ballasts and appropriate circuit infrastructure — not a simple retrofit situation.
- HPS technology requires warm-up and restrike time, making it unsuitable for applications needing instant-on or frequent power cycling.
- Relative to modern LED alternatives, HPS lamps produce more heat per lumen and lack dimming capability in most standard ballast configurations.
Frequently Asked Questions
What CRI of 22 means practically for this lamp's light quality?
A CRI of 22 is extremely low — colors appear washed out and distorted under this light, with a dominant amber-orange cast. This is inherent to high-pressure sodium technology. The LU1000/ECO is optimized for raw lumen output and efficiency, not color accuracy. It is not suitable for applications where color rendering matters, such as retail display, broadcast, or photography studios.
What base type does the LU1000/ECO use, and what fixtures accept it?
It uses an E39 Mogul base — the large-diameter screw base standard on high-wattage commercial and industrial HPS fixtures. Ensure your fixture is rated for 1000W HPS and equipped with a compatible E39 socket and ballast before installation.
How does lumen output change over the 24,000-hour rated lifespan?
Initial output is 130,000 lumens; mean (maintained) output is 117,000 lumens — approximately a 10% reduction over the rated life. HPS lamps typically dim gradually rather than failing abruptly, so scheduled replacement before end-of-life is common practice in commercial maintenance programs.
Can this lamp be used in an open or enclosed fixture?
The LU1000/ECO is rated for both open and enclosed fixture types, giving it flexibility across standard cobra-head street lights, parking lot luminaires, and industrial high-bay fixtures designed for HPS sources.
What warm-up time should be expected before full output is reached?
High-pressure sodium lamps require a warm-up period — typically 3 to 5 minutes to reach full lumen output. They also require a cool-down period before restriking if power is interrupted. This is standard HPS behavior, not a defect of this specific lamp.