Who: Every one of the 350,000 residential households who are Avista power customers in Washington and Idaho.
What: The free kit of eight compact fluorescent lights (CFL) that are being mailed to those houses.
When: Now through November 2011.
Why: a) Because a 2006 voter-approved law requires Avista to set target reductions in energy use, including conservation and energy reduction. CFLs help do that in a lasting way.
b) Because Avista has been setting aside a monthly surcharge or tariff it collects on residential customers. It's about $3 per month, on average.
That's the source for the roughly $7.5 million it's costing Avista to buy and mail the kits.
Where: Eastern Washington and North Idaho, excluding all of Avista's business customers.
For more information, go to the Avista FAQ on the bulbs, at this link.