Posts Tagged ‘Transmission’

Links

June 2, 2011

* Silicon is key to quest for $5. LED lamp.

* Smart grid investment has payback.

* On embracing risk.

Greetings from Colorado

January 2, 2010

In 1891, L.L. Nunn joined forces with Nikola Tesla and George Westinghouse and built the Ames Hydroelectric Generating Plant. Located near Telluride, the town in the center of the photo, Ames Hydro transmitted to the Gold King Mine 3.5 miles away. This was the first successful demonstration of long distance transmission of industrial-grade AC power.

119 years on, power is mostly transmitted AC. We are indebted to Tesla, Nunn, and Westinghouse for their innovation.

Cruising into the new decade, to all our friends, clients, and collaborators: a happy and healthy new year.

Transmission Links

June 21, 2009

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Con Edison plans to spend US$1.5 Billion on infrastructural improvements in NYC and Westchester County by laying 2000 miles of cable. Their news release makes reference to the fact that the improvements are being made despite the credit crisis, but of course the ROI is guaranteed by the NYS PSC.

On June 18 Central Hudson announced they too would be improving their infrastructure, with a rate increase as granted by the NYS PSC.

Orange and Rockland (Con Edison), with a service territory covering two NYS counties, NJ, and Pennsylvania, also has transmission issues. Starting June 1, their business customers with peak demands less than 100 kW may be eligible to receive 70% of the installed cost of energy efficient lighting measures directly from O&R.

In the golden state, the governator’s Energy Plan hinges on new transmission to bring renewable energy from sources in the desert and the Tehachapis to urban centers. Here is the NOVA video file.

FERC are concerned. June 18 they released a study asking for a 38 GW to 188 GW demand reduction nationwide, or 20% of demand. As T. Boone Pickens might say, ” That’s a lot of juice.”

NYSERDA

March 24, 2009

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NYSERDA have traditionally funded demand reductions (kW) in preference to usage reductions (kWh), the theory being that reduction in use of transmission and distribution infrastructure, obviating T&D build-out, was more important to the participating utilities than reduction in generation.

NYSERDA have now reversed that bias.

Below is a letter we received last week from NYSERDA related specifically to LED retrofits, some of which involve exterior lighting, never a peak-demand reduction energy conserving measure. The bracketed words and designations are added for clarity.

“As per our conversation, this is our current stance on LEDs:

“LEDs are now eligible technology and they are being aggressively adopted by many of our lighting contractors.  This is exciting for everyone, but we want to make sure that applicants are installing reliable technology.  As a result, we are requiring the criteria listed below for performance projects including kWh savings from LED lighting.

“These criteria are based upon the standards addressed by the DOE’s Energy Star program for solid-state lighting.  (The applicant will probably need to request this info from the LED manufacturer(s))

  1. Independent IESNA LM-79 test data to verify Light Output, Luminaire Efficacy, CCT, and CRI
  2. Independent LM-80 test data from LED Manufacturers at 55 C, 85 C, and a 3rd temperature of the manufacturers choosing, usually higher temp.
  3. IES File in LM-63 format to verify photometrics.

“Note:  The DOE actually has a 4th criteria, but this is not required under our (NYSERDA) program.

  1. L(M)-70 Lifetime and written explanation of how it was determined, and a complete description of the thermal management of the luminaire, or something similar

“Here’s a link to the (DOE) Energy Star page for Commercial LED Lighting:

http://www.energystar.gov/index.cfm?c=ssl.pr_commercial

“As the Energy Star standards evolve, it is likely that our requirements will as well.  In general, please discuss any planned LED projects with us and expect that these applications may take more time to process than usual.

“Related to run hours, as we discussed, our programs are now entirely kWh based.  The run hours (do) not have to coincide with (facility) peak demand to receive incentives (cash rebates).”

This is a very encouraging development. The caveat related to “more time to process than usual” is the one hindrance to LED deployment with NYSERDA assistance.

Photo of Dean Kamen’s retreat in Long Island Sound lit with LED