Average electricity prices are expected to remain virtually unchanged through 2010, rising a scant 0.4 cents per kilowatt-hour, according to the Energy Information Administration's (EIA's) "Annual Energy Outlook 1995" (DOE/EIA-0383(95)). If the forecast holds true, the average household electric bill should increase by only $3 to $4 per month. Good news for residential consumers; more pressure for utilities. The flat forecast reflects low projections for major fuel prices, which break with previous EIA forecasts. EIA administrator Jay E.